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Bob Carver just sold another pair of INCREDIBLE Tube Amps on eBay~


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Bob Carver just sold another pair of INCREDIBLE Tube Amps on eBay~








Here's the always interesting Q&A from the auction:

Q: Hi Bob. I'm a little confused, perhaps you can straighten me out. In the first part of the description, you state that "I designed and wound a massive new and powerful output transformer." Later, you mention "Though I have become pretty good at winding them myself, it takes too long" and "I had the thought of getting a commercial transformer company to make them for me according to my plans, but the cost was too high." So,to clarify my clouded brain, are the transformers installed in the BLACK BEAUTY your own handiwork? Also, you mention that "A switch that changes the feedback from classical (vintage) to contemporary." Obviously, by 'vintage,' you must mean a Citation-like sound, right? But by 'contemporary' do you mean more like a current solid-state unit, e.g., Sunfire, or a modern vacuum tube unit, e.g., Audio Research? I'm using other manufacturers names for comparative purposes only; I'm certain that both positions represent the "heart and soul" of Bob Carver! Thanks! -Dave Mar-21-11

A: Hi Dave, I can understand how you are confused because I'm confused myself. If I'm confused how could you possibly not be confused? Now you are making me think! Okay, here goes. I did teach myself how to wind them by copying the original units. Subsequently I changed the design from pie-wound to layer-wound, and have been more than pleased with the way they turned out. I used modern steel and segmented windings. Nobody wanted to pie-wind them - it takes too long, is very difficult, is too expensive and not necessary anyway. At this point in time the units in these Black Beauties are my own handiwork because I have not yet found a transformer house that will wind them for me (at least the way I want them wound), but I will soon. It's hard to wind output transformers - power transformers are easy - and I for one have developed a new-found respect and admiration for the handful of transformer guys on our planet who do it well. As for the feedback switch, "classical" refers to the amount of negative feedback = 20dB. "Contemporary" = 11dB. Modern tube amp designers often prefer less feedback than do vintage designers. That's mostly due to the fact that it's quite difficult to get substantial feedback around modern transformers (built with a rational budget in mind). Sometimes it seems that all the vintage units were designed as cost-no-object. Oh well, It's a good thing I love winding transformers! Hope I did not put you to sleep, Bob Carver

Q: Hi Bob- Not a very exciting question here, but I'd love to see how you package one of these amps for shipment, and I'd like to know which shipper you prefer. I hope you'll be making these until I can afford a couple! Thanks, Clay Mar-21-11

A: Hi Clay, Well, let's see. First I put some special soft cloths around each amp,then a plastic wrap around each one on top of the cloth. After that I put each amp in a box using foam corner blocks. After that, the box is then put inside a bigger box and lots more soft corner blocks plus bubble wrap is used to hold the inner box in place as well as to add extra cushioning. The whole big double box is finally taped closed and banded with nylon banding to hold the box together in case it's dropped down some stairs. Wow! At least I can describe the process faster than it takes to do it! Thanks for asking - I know lots of us want to know the answer to these important questions. I prefer UPS and the USPS. Bob Carver

Q: Hi Bob, Have always truly admired your fine designs. Your tube amp is a beaut. I hope I can afford it. I do not know yet. I now am a proud owner of DOUBLE INFINITY IRS BETAS (2 woofer towers per side) and two main speakers per side as well. I intend to use them in a very large room. The issue of course since the main speakers are very low in impedance, would you recommend the tube amp connected in series (4 ohm tap) to the main speakers or would you still go parallel (they have very nasty impedance drops to the 1 ohm areas). As far as the woofer towers I am confident with solid state. Will be running one woofer tower facing front and another facing rear (omni) with two solid state amplifiers. Since the DC resistance of the towers are 3.2 ohms each could you recommend a stable amp of your own design (solid state again) that I can use for each tower --these will have their own acceleremoters of course... Could older Phase 400 be safe or should I use something else of yours? Mar-21-11

A: H 'ster, I have owned a set of Betas - amazing speakers and one of Arnie Nudell's great and passionate works. The minimum impedance of three ohms or so is not difficult for almost any solid state amp, including any that I have ever designed. A Phase 400 would work great on the woofers. The mids and top with the Emits and ribbons are a different story though. Since they get down very low impedance-wise, we do need an amp that is happy with around an ohm. These Black Beauties will indeed make them sing. I have not actually hooked them up to a pair of Betas, but long ago I did hook up my Silver Sevens and the sound was STUNNING! I'm absolutely certain that results with these amps will be just as stunning, maybe even better. Take a leap of faith and bid happily away! Good query! Thanks for asking, Bob Carver

Q: Hello Bob, First of all I would like to say congratulations on your design and on your longevity and passion for what you do. I have had various different full electrostatic speakers for the last 25 years and for nearly all of those years, I have depended on your amplifier designs to make them sing; Phase 700, Silver 7t, Silver 9t, Signature, Signature Series II. My current system is anchored with a pair of 20th Anniversary Martin Logan CLS's and a Sunfire Signature II small chassis (Architect Series). My question is a simple one. In your opinion, will these 400watt Black Beauties have the power and headroom to make my CLS' sing? Thanks in advance for the answer, Ray Mar-21-11

A: Hi 'gunn, Thanks for making my day - I am definitely happy that you have used my designs for all this time. It seems that together we are still in the arena, even after all these years. I have loved the way vacuum tube amps sound with electrostatics, and have spent countless hours optimizing these amps with CLS's. I continue: When Martin Logan was getting started long ago, I called the founder and asked for a set of CLS's. One thing led to another, and I helped Martin Logan with financing, as well as with some design work. In the process, we two did a lot of listening with his speakers and my amps, were both influenced substantially, and the end result has been amplifiers that work hand and glove with electrostatic speakers. These Black Beauties are perfect for your CLS's! You can even predetermine just the correct output voltage easily, and adjust the Black Beauties to match as well. Great question. Hope this helps, Bob Carver

Q: hello Are you planing to built a preamplifier as good as your amps ? thanks for answering regards from France Mar-28-11

A: Hi from France', I'm not saying. Oh what the heck - yes. But not until next year. When I do build a preamp I want it to be the best sounding, the best looking, and the best there is. I know I can do it - 14 tubes (!) in the phono section alone will give it the best sound and the quietest all-tube phono in the world. Of that there is no doubt. The line stage will be designed with the help of Stu Hegeman and Tim ( I hope) even if I have to travel all the way to another world and another place to work with them. A great preamp is a huge undertaking, pretty much requiring unending devotion day and night. No sleep, no play, no Disneyland,- it's a good thing I love designing preamps. There,I said it! Bob Carver

Q: greetings do these amps produce a lot of heat? would placement/ventilation have to be a consideration thanks Mar-27-11

A: Hi'ct, I am proud to say that these amps do NOT produce a lot of heat. It is relative of course, but as an example, most big amplifiers idle their output tubes at approximately 24 to 45 watts, with 35 watts being the average for a low distortion, wide bandwidth unit. It is the idle power associated with the output tubes that makes the amp get hot. Now for the best part: the DC restorer in these Black Beauties allows the distortion to go very low and yet have the idle power at 11 watts. The tubes are so cool we can hold them without getting burned, though it IS quite uncomfortable to do it. Still, and just the same, we should allways allow some ventilation for for any electroncs with tubes. Thanks for asking, Bob Carver

Q: Hi im new to tube audio. I work alot with large sound systems and night club systems. I wanted to ask you if you worked with tube pre amps at all? I had an idea of building a tube pre amp that could have control on how much saturation or coloring the tubes would effect the sound. Do you think adding a tube pre amp will warm up the sound from CDs or computer based dj programs? Thanks Henry Mar-27-11

A: Hi '53, I like your idea of including a "color saturation" conrol to your new preamp. You remind me of me in that department, because that's exactly the thing I would do left to my own thoughts. And yes, adding a tube preamp will tend to warm up the sound from a CD or computer based system.

Q: Hello again Bob, This is Tim from Wilmington,DE.,last time we chatted you recomended me to salvage some old BOGEN amps for the quality of their transformers. While searching I came across a pair of BOGEN MO200A in good condition but had none of the 8417 tubes that they use. As you know 8417 tubes are very expensive and hard to come by especially since they require 8 8417's per amp. I know it is possible to run 6550's with a loss in power but wanted your opinion on what you would do with them if it was up to you.Would it run with KT88's or even the new KT120's. I would be very greatfull to hear your opinion. Warmest regards, Tim (mmmmcdowell@gmail.com) Mar-27-11

A: Hi Tim, Good score on the Bogens! Actually the 6550's will deliver more power than the 8417. The reason is that they pull down better (by about 35 volts) than the 8417, though they do require about eight more peak drive volts. If you installed the KT120's you would achieve even more power, using the 16 ohm tap as the eight ohm tap, the eight ohm tap as the four ohm tap, and so on. You would have to modify the driver circuits to increase the drive voltage to the grids of the output tubes, though it should be pretty easy to do. If you wanted to use the Bogen circuit, just increase the B+ to the B+ side of the driver plate resistors by about 10 or 20 percent. Then let 'er rip! hope this helps, Bob Carver

Q: How is the bias being adjusted? I see no bias pots. Mar-27-11

A: Hi'tell, The bias is adjusted by a bias pot on the back of the amp. All we need to do is look at the front panel meter and turn the pot until it reads the desired current. All six output tubes are adjusted at once by the single pot. This is possible because of the DC restorer, the circuit that completely eliminates the need for tube matching. The desired bias current is not determined by the designer (me), rather by you and the sound you want from the amp. There is no OPTIMUM bias, rather a RANGE of possible currents, all "in the green". And the choice is yours. Of course I have my personal favorite bias current, and the operating manual that come with these Black Beauties tell us what it is and expands on the concept. Great query, Bob Carver

Q: Hello Bob: I have always been impressed with your products and designs. My question: can balanced inputs be installed in the amps? Thank you, S Mar-25-11

A: Hi again my friend, Yes of course anything is possible, including balanced inputs. But I get great sound with the vintage, ubiquitous RCA inputs, and balanced does not add one bit of sonic improvement - only some convenience if you happen to have balanced cables. Balanced is extremely useful for long, professional, cable runs to help keep down hum and noise pick-up. However, for home systems, single-ended sounds best with far less complexity. A true balanced input requires an extra tube or an input transformer along with the ever-present possibility of compromising the sound because of the added complexity. Still, many folks have asked for balanced, so you are not alone. Hope this helps, Bob Carver

Q: Great looking amps. Have you ever thought about making them in mirror imaged pairs? Thanks, Robert Mar-25-11

A: Hi 'great, great name! Yes I did think of making them in mirrored pairs. Whenever I have a new idea, or don't have one and find myself stuck with my old idea, I make a mock-up of the second idea so I can try it on for size. Well, I mocked up a mirror image amplifier, put the two side-by-side, and did they ever look funny that way! At least they seemed that way to me! When two identical units were side-by-side, the whole system looked like a very serious arrangement. I liked the looks of the system better when they were the same. Great question - can't tell if I answered it though, but I gave it my best. Bob Carver Bob Carver

Q: Hello Bob,I own a pair of modified Infinity RS1's with 9 EMIMS and 16 bi-pol EMITS a total of 32 per column. I use Beta Woofer Columns with the Beta Servo control unit. Mid/high columns I use Antique Sound Lab Hurricane tube amps at 100 Watt P and 200 T. Your previous amp had P/T feature, how do these differ and would this be a major upgrade across the board. Thanks for your response. Mar-24-11

A: Hi - oops, I already answered this question. Read on. Bob

Q: Hi Bob, last time I will annoy you. I was just studying your amps and thinking to myself, what an interesting look they would present with a yellow chassis and black transformers. A big ol pair of Bumblebees, if you will. Think about it. I'm in if you put together a pair like that. Sincerely, Timothy. Mar-24-11

A: Hi '15k, Welcome back! Bumblebees - I like that! I used to build my model planes using that exact color scheme when I was a kid. Yellow wings and black fuselage. I got so stuck on a single color scheme that my little brother hid my yellow dope (model airplane paint). Well '15k, I'll probably build a yellow and black pair, but I promise not to make them HUMMMM and BUZZZZ like yellow and black bees when they are just sitting there (in hover). Thanks for writing, Bob Carver

Q: Bob, First off, I, think your great and these thing are a work of art. I am a rookie when it comes to tubing and mono blocks, so please for give me if i sound at all skeptical. 1st off what is the purpose of the gauges are they for amps or output wattage and if they are for output shouldn't they read at least 300 ? 2nd is that picture of you winding these are the red pair you sold last month ? These look alot like the red pair that was suppose to be the only pair you had last month. I realize the red pair were only 180 watts. The reason I bring this up is that I am dying for a pair, built by Bob Carver even a better bonus, I just want correct info. If your going to build more I would just assume purchase a pair (through e-bay). Not trying to cut E-bay out by any means. Like I said, please forgive me for sounding skeptical but, when buying on line you like to see consistantcies in what your looking at. Tony Mar-24-11

A: Hi '8rnks, The reasons my auctions seem inconsistent is because I have some character flaws. I procrastinate and I am often lazy. I procrastinate when it comes to taking new pictures sometimes, and so I just use the old ones - like me holding a brown amp with my new hat, or me winding the output transformers. The red units are indeed 180 watts, and the Black Beauties are 305 watts. Anyway, please don't be too sceptical - maybe just a little heathy bit. But it is really me. I can pinch myself to prove it! Ouch! It's me alright! Bob Carver

Q: hello Bob, I would like to ask about Tubular Joe if I may. Your lengthy history in the audio world is well known, but I know very little about Joe or his backround. Are you able to shed some light on his involvement with this amp project? Mar-24-11

A: Hi 'shin', Tubular Joe is a sound man here in the Pacific Northwest, is the best and most talented builder of all time I have ever met, does not like his picture taken, builds the amps on his kitchen table in the evenings and on weekends as a pure work of art and love, has a family and a beautiful young daughter named Corina. He sings solo and lead at night in the late night scene here in Seattle, and all the amps he uses on stage are tube amps. There's more, but that's it for now. Bob Carver

Q: Hello Mr Carver... You have been building these amps for Ebay now for a couple years, and by the pricing of them, it would appear they have quite a following. Congratulations on that! My question is not so much about your most recent upgrade to 305wpc, as it is about future offerings. Are you planning other components to go with these amps, such as preamps and such? Also any plans for more powerful amps? Mar-24-11

A: I'm not saying.

Q: In your Sunfire Signature amps (have owned several of them) you were using massive torroidial transformers. I am curious as to why these transformers have little following in the design of tube amps. Are there any reasons for this? Mar-24-11

A: Hi '1 again, Lots of people have asked me that, and the reason is simple. They are perfect up to the last volt-ampere product and beyond that they too quickly plunge headlong into overload oblivion. Non-toroidal transformers overload gracefully and far less abruptly, smoo-o-o-o-thing their way into overload. A very desirable characteristic with tube amps. Great question, Bob Carver

Q: Hello Bob! I was wondering if you could shed some light on how the work of people like Stu and Tim have influenced your work. I know of the story of the 'coffee can' amp, but I am also curious as to what motivated you to go into the audio business to start with. It would seem a daunting task for someone just coming out of school to even being to think about, so I guess the question is who did you look up to in this field, and why? Mar-24-11

A: Hi tropical',That's a tough question, but I'll do my best with it. It's complex but easy at the same time. Both Tim and Stu were my teachers and collaborators when it came to Tube amps. Stu as a ghost from the past when I studied his HUGE body of work, read everything I could get my hands on about him or written by him. Tim on the other hand, is my contemporary and I can still sit down over coffee with him and we can talk and talk. We have shared ideas, thinking and circuits. Both have influenced me a lot. I have to say though, when I first got out of high school, I had not yet met Tim - that had to wait until a dark and rainy night on a lonely, wet street in Germany outside of a Hi-Fi show. Stu Hegeman became one of my early heroes - the guy is like Albert Einstein - everything he did holds up to this day with not a single mistake. He knew how to listen, and he got it right! Nice questions - they make me think, Bob Carver

A: Hi 'noon - that sounds funny - oh well, I have used Sprague Atoms, and they are amazing capacitors - no doubt about that. The main drawback here is that they are too big to fit inside my chassis if I want the energy storage I have designed for my amp. My "beast" - 305 watts rms - yeah - I guess it is! The E = 1/2CV^2 of the caps I have are actually quite superior to the Atoms in the narrow use I put them to. If there were a better cap with more performance, I would use it. The Atoms ARE preferred (for a variety of technical reasons) for guitar amps though. You are on the mark with that. There are few things more fun than building tube amps! Bob Carver

Q: Hi ya, Bob! I'm kind of a doofus when it comes to some things, perhaps you won't mind explaining something about these amps for me. You say that "Power is an easy 305 watts rms with a power bandwidth from 24 Hz to 45 kHz, frequency response 2 Hz to 85 kHz, and distortion less than 0.15 % at 305 watts out." OK. I understand the 305 watts rms and distortion stuff, but what's the difference between power bandwidth and frequency response? Aren't they the same? If not, why not? And if they're not the same, how, if at all, would the difference at the low end affect my listening experience when driving full-range speakers, e.g., a pair of Carver Amazing Loudspeakers or similar? Thanks, Man! Nate Mar-24-11

A: Hi again and welcome back! When I was first getting started as a baby inventor, I wondered about the same thing - power bandwidth vs frequency response. Power bandwidth refers to the amplifier's response at high output power just below clipping, whereas frequency response refers to the response at a lower level, usually (and by convention) -20dB. What we measure on the laboratory bench is power response, and when we listen we are listening to frequency response. Frequency response is what we hear - power response is what we measure. It's more complex (as usual)than that, but not much. Super question! Bob Carver

Q: Hello Bob,I own a pair of modified Infinity RS1's with 9 EMIMS and 16 bi-pol EMITS a total of 32 per column. I use Beta Woofer Columns with the Beta Servo control unit. Mid/high columns I use Antique Sound Lab Hurricane tube amps at 100 Watt P and 200 T. Your previous amp had P/T feature, how do these differ and would this be a major upgrade across the board. Thanks for your response. Mar-24-11

A: Hi 'blend, I remember taking a cab from Kennedy airport to Mike Kay's Lyric Hi-Fi in Manhatten, arriving on his doorstep with four large boxes under my arm. I wanted to show off my (then) brand new Silver Seven tube amps. I was traveling the country pitching my wares. Mike greeted me with his Greek accent - "Booby, lets hooook them up to the Big Infinitys, and see how they work." Well, Even though it was long ago, it seems like last week, and before long our faces were locked in ear-to-ear grins. Mike said, "Harry (Pearson) is going to looove them, let's call him." What happened later is another story, but before we left, we tried the amps up his RS1's. That was the first time in my life I had heard them, and I was amazed; the Silver Sevens together with Arnie's Beta towers were absolutely stunning. I won't forget it! These Black Beauties are my latest thinking, and if anything, will sound as good as that system so long ago. Probably even better. You will have the majestic power that is lacking in your existing amp, no matter how good it is - this would definitely be a very serious up-grade! Great speakers - Hope this helps, Bob Carver

Q: Hey there Bob. Is that the expression I might find on my face if I tried to wind a transformer? I'm lucky if I can wind my watch. Oh, by the by, thanks for the tip on upgrading my Citation I. I think we got the noise thing figured out. Might have to touch base with you on the phono stage. Have not tried it out yet. Oh, gotta go, Rush "Working Man" playing....heading over to crank up the db's just enough to annoy my neighbor! Sincerely, Timothy. Mar-23-11

A: Hi '15k again, welcome back. I know what you mean . . . I can wind a transformer, but not my wind-up flashlight. I'm glad the noise is figured out - let me know how you did it; play it soft. No, play it loud! Thanks for the heads-up, and may your listeners have fun tonight. Bob Carver

Q: Hello Again Bob, Seems like youve outdone yourself once again. This one looks even more impressive than the last pair. is the difference power upgrade and tubes? If im understanding you correctly its not the tube the makes the great sound but the circuit designed around the tube that does? The kt120 i have never heard of could you tell us a bit about it and its sound qualities. Can other output tubes be used in this amplifier kt66 kt88s El34 etc. And finally why did audio manufactureres in the past use odball output tubes like 7027s 7581s 7868s 12by(hk) knowing they were going to be very hard to find and costly later on. quicksilver amps is one company that come to mind. Was it because they just wanted to be different than the rest? The same goes with preamp tubes amost everyone made them with 12ax7s 12au7s. thanks again. Mar-23-11

A: Hi again '55, These Black Beauties have a bigger power transformer, a bigger output transformer, and the new Tung-Sol KT120's. To my ear, the KT120 sounds similar to the old Gold Lion KT88, except it can pull down a bit better (by about 40 volts because its plate inside that glass is huge), giving it a more "meaty" sound in the low end. And yes, any of the output tubes you mentioned can be used in these amps - all you have to do is plug them into the sockets, set the bias (using the front panel meter and the bias control), and let 'er rip! As to why did manufactures use oddball tubes? Those choices were made before my time, so I can only guess. My guess is that it was pretty much the individual designer's choice or a cost constraint. I'm almost certain they did not know which tubes would become hard to find 50 years later. For example, the 7027 was an RCA tube, developed by them to compete with the U.S. 6550 and the British KT88. They were VERY proud of that tube! It was also priced (for the amplifier manufactures) less expensively than any other big power tube. They hoped to encourage its use everywhere. And they succeeded! As for the 12BY7 used in the harman kardon amps, Stu Hegeman, the designer, wanted very wide bandwidth so he chose video output tubes. Only they had the high frequency response he wanted. He held the belief that the "Wider the band, the higher the Fi". 12AX7's were so ubiquitous that they stayed around to this day. And they are great tubes too! Hope I did not put you to sleep - if you are still awake, read on. Great questions, Bob Carver

Q: Bob- I have a couple questions, I hope you don't mind. I believe the previous red amps were stated to be 180 watts rms. You say that these "BLACK BEAUTY" amps are 305 watts as a result of the "powerful" KT120 output tubes. Did changing the tubes require beefing up all the other components in the amp as well, for instance, the resistors, capacitors, etc.? Are any changes essentially only in the output stage? Power equals current times voltage in simple terms. Many amplifiers, including some previous Carver models, boast of high output current capability. What voltage/current is this amp capable of producing? Or is it not so critical when using output transformers instead of a direct coupled output like a solid-state amplifier would use? Thanks in advance for your answer! Chris Mar-22-11

A: Hi 'ross8, Holey Moley Rollers! I love questions like this. Here goes - The extra high power comes from three things. One, the new output tubes, two, the new output transformer, and three, the new power supply. It takes all three to get the job done. The new tubes (KT120's) are much more powerful than the KT88's by half again as much. Mike Mathews (the owner of the Tung-Sol tube company) has wanted to build a wonderful tube like this for at least two decades, and he finally did it. This tube is nothing short of fabulous - it has lower distortion (about half as much), more power, and a higher dissipation rating than any other contemporary vacuum tube. I have never met Mike, yet I have known him by reputation for as long as I can remember, and I can tell that he has done everything humanly possible to make a great new tube. He must have a burning passion for output tubes. When I look inside his tube, I can easily see that the grid and screen wires are in tight, perfect alignment. I can also tell that they have been burned in for a long time in his quality control room. As for the output transformer, I changed the turns ratio to optimize the loading (the loading I wanted) for the new tubes, as well as to obtain the desired signal voltage output. I also designed a new power transformer that yields slightly more B+ voltage. All in all, the new transformers just barely fit inside their covers. The original power supply was so over-designed that I did not have to increase its capacity (except for the transformer). Back to voltage-current output: It can deliver 450 watts, and we can slice and dice this power any way we want. 30 amps and 30 volts peak into one ohm, or 10 amps and 70 volts peak into eight ohms. The output stage has a very wide power responce as have all my amps, solid state or tubes. for example, power into an eight ohm resistor is 305 watts, and ON THE SAME eight ohm tap, will deliver 450 watts into four ohms. This means it can drive almost anything.

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Is it me or are the amps just too non-descript? If I'm paying $4000 for a single amp I want it to look as great as it's supposed to sound. Those things are just boring to look at. [+o(]

What are the silly 1940's style gauges for? They look cheesy and like something that can be bought from a catalogue for $4.99 each.

The amp is a 305wpc but the gauges only go up to 200? They can't be WPC gauges then right? If I'm paying $4000 for a single amp I think it should have some sort of gauge on it that's not only accurate but looks great... maybe even a nice blue or red LED guage that shows your current WPC output.

Look at the McIntosh gauges?! Now, those are worthy of the price. They scream QUALITY.

Don't even get me started on the .99 toggle switches he used on these amps! Come on Bob... you could have done so much better than that on a $4000 amp.

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Is it me or are the amps just too non-descript? If I'm paying $4000 for a single amp I want it to look as great as it's supposed to sound. Those things are just boring to look at. Ick!

What are the silly 1940's style gauges for? They look cheesy and like something that can be bought from a catalogue for $4.99 each.

The amp is a 305wpc but the gauges only go up to 200? They can't be WPC gauges then right? If I'm paying $4000 for a single amp I think it should have some sort of gauge on it that's not only accurate but looks great... maybe even a nice blue or red LED guage that shows your current WPC output.

Look at the McIntosh gauges?! Now, those are worthy of the price. They scream QUALITY.

Don't even get me started on the .99 toggle switches he used on these amps! Come on Bob... you could have done so much better than that on a $4000 amp.

If you knew Bob Carver, you'd know he is a Physicist & Engineer with a flair for audio. He doesn't subscribe to the vancy is better school of audio engineering, which is why so many of us have been able to afford hits creations. These amps weren't PRICED at $8k, they AUCTIONED for that price because they are worth that and more. Those who have heard them know they stand among the great amps in the world.

Also, the guages are for setting the bias, not output watts~

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