Pondoro
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Posts posted by Pondoro
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19 minutes ago, carlthess40 said:
I use this cheap el34A tube amp for my Klipsch H1’s. It does the job, and yes I know that theirs many more tube amps better the. This guy, but for under 300. It does the job just fine for me and gets very loud and the sound is fairly clean
Sent from my iPhone using TapatalkHow long have you had it? (Wondering about like expectancy)
Thanks
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I have got a bit of a tube bug. I am currently running some 1983 Heresy I's with a Yamaha 5.1 receiver and one or two 10" powered subwoofers. (I own two subs but one seems to sound just as good so the second sub is currently used elsewhere.) I don't have unlimited funds. Some options:
Tube Depot Cube 7 - 3.5 watts per channel, all tube (not the power supply), no sub out - $180
Dayton Audio HTA20BT - 20 watts per channel, tube preamp, digital power stages, sub out, $130
Dayton Hybrid HTA100BT - 100 watts per channel, tube preamp, digital power stages, sub out, $165
Future possibility, assuming I fall in love with tubes? Three Tube Depot Cube 7 amps in a tri-amp with the Heresy speakers (I would need some kind of active crossover before the amps) thus total cost would be 3x$180 plus the crossover.
I am interested in your opinions. If your opinion is "Forget all of that and buy something more expensive!" I will listen, please give details why. If your opinion is "Forget all this and just put the money into Cornwalls and remain solid state" I would also listen. I am new to all of this.
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22 hours ago, MC39693 said:
Measure your ear height seated at listening position. Measure height of a Heresy cabinet to mid point of mid range horn. Subtract. That is the height of a four post stand you need to build. Posts on outer corners. Buy 10 inch, sealed front firing sub, put in bottom of four post stand. Place super Heresy on top. Spin a LP, fire up a Luxman R-117, crank volume from seated position using remote. Do not attempt to exceed 160 watts. Enjoy.
Currently one Heresy is on an old chair and one is on a milk crate. Yes, I live in that kind of a neighborhood. A 10" powered sub sits between them. I just ordered a second, identical, powered sub. I will build two lovely stands that allow "stacking" without actual transference of vibrations. I will test with one and with two subwoofers. I can't exceed 160 watts with my current equipment (not counting the powered sub woofers.)
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2 hours ago, LTusler said:
Riser dimensions:
Nice, I can make those for a lot less than $42. (My free time is worth $0, and I need to justify an expensive collection of power tools.)
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The Heresy stands I see in the old pictures look about 3" tall and tilted back. More modern and homemade Heresy stands look like a foot or so tall. What do you all like?
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55 minutes ago, wstrickland1 said:
Do you have his email address in your contacts?
No, we had had no electronic contact. I saw him last pre-internet.
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Facebook suggested a friend to me, my cousin who I had not talked to in 20 years. We have different last names, live in different states, we had no mutual Facebook friends or mutual liked pages. How did they know?
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20 minutes ago, NBPK402 said:
Have you thought about gluing some pieces of metal like for earings...then just push through the grill and put little earing clasps on it to secure. By doing it this way you do not damage the grills other than 1 or 2 small holes.
Sent from my SM-T830 using Tapatalk
I love that! They will actually make no holes at all, the pins will pass between the fibers of the cloth.
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My super old Heresy speakers came without grills. I bought cloth from Crites and made grill boards from Masonite. I have now installed cloth on one board. I have reproduction metal Heresy badges. What is the best glue to put them on the grill cloth?
Thanks
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On a cheaper note I use R-51PM’s with a sub and I like the result. It was my computer system until my wife stole them all for her TV. Your idea makes sense.
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I love that song. I was sitting at my computer, I had to go play the original 1967 version. Lots of distortion on my Klipsch Promedia 2.1 during the loud organ solo. It seemed like the tweeters/mids were being overdriven in some frequency. I need to go play the same stuff on my Heresy speakers and see how it does. The distortion might be in the recording. Last time I heard this was probably on a 6"x9" car speaker. Edit - The Heresy's sound a lot better, no surprise, but there is a lot of distortion in the organ. It was certainly meant to be there but it confuses the small Prologic speakers, the Heresy speakers just reproduce it without any trouble.
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29 minutes ago, carlthess40 said:
I think you can go to the historian section. You may find that info there. I’ll see if I can’t find it or you can place a link here
Sent from my iPhone using TapatalkI found a great article about heritage series speakers but it does not seem to cover pro speakers. My Serial number would imply 1989 if I use the Heritage formula, but KP-250's were not built in 1989.
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Serial number is 8999093
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I'm an old dude, came back to stereo recently. Bought a pair of Heresy speakers, I am restoring the cabinets. The small screw terminals are too small for 16 gauge wire and the screw driver slots in the screws are so shallow that you can't get a good grip. I'd like to convert to banana plugs. All the premium banana jacks and plugs are metal. This concerns me, something could fall across the two plugs and short the amp. Plastic seems safer but all the cables with plastic plugs seem cheap. Am I over thinking this?
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I have a Polk subwoofer and have used it with Klipsch Heresy' speakers and also with Klipsch R-51PM speakers. Works so well that I may buy another one so that both pairs can share the joy.
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I bought two Heresy speakers. I believe from 1983. The outsides are rough, they sound good. There were no grills. I bought the proper cloth from Crites, I bought logos, I bought Masonite for grill boards. I opened one speaker, the plan is to use the motor board as a template to rout the grill boards.
Everyone talks about re-capping. My capacitors look pristine. The entire inside looks pristine. I expected a lot more dust and crud. I have attached pictures.
My thought is to make the grill boards and button this back up. I will probably stiffen the back but not try to stiffen the sides or motor board. There is not much room on the motor board and tap tests reveal the sides to be much stiffer than the back. Stiffening the back without eating up much volume will not be difficult. I'm a mechanical engineer in the Aerospace industry so I stiffen things for a living, I have also built a few dozen wooden drums.
Thoughts on the capacitors or any other ideas?
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Look great! I’d like to see a picture of the back brace. Also are they veneered? Was there any damage to the veneer?
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I'm also interested. I just bought a pair from '83, they sound good, but I have no idea what they sounded like new. I guess step one is to open them up and look inside.
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I bought a Yamaha RX-V385. Long term it might go to the TV room (I watch little TV) and I would then get a serious integrated amp. But the current Yamaha sounds good, in 2-channel or 2.1 or 3.1. I should try it with a movie and dialog, but my real test of TV speakers is a live NASCAR race.
Interesting factoid, my Yamaha happily simulates a center channel when I tune to FM on the built in tuner in the receiver. But I plugged my 35 year old NAD analog receiver into it (since it is analog it has to go into AV2 or AV3) and it reverts to 2 channel only. 2.0, not 2.1! So I cannot A/B the built in receiver versus the NAD except in 2.0 mode. I am looking for a way to fix this but I cannot seem to find a way.
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47 minutes ago, ClaudeJ1 said:
That's because the original Stereo Broadcast (Bell Labs) from 1933, of a live Orchestra, conducted by the great Leopold Stokowski use 3 speakers that were spaced about 40 ft. apart. with a center channel. Also they had a full 3 discrete channel broadcast from 3 separate microphones from that live Symphony Orchestra. Different is not the same. The 2ph3 (with a mono marriage of R+L in the middle was a reasonable compromise that worked almost as well as the discrete implementation of 3 channels of the original STEREO broadcast by wire from one city to another. I read the Klipsch papers when I was 19 years old. BTW, PWK only listened to reel to reel tapes of Symphonies he himself recorded with only 2 spaced omni microphones. The ONLY LP that he owned, is the original "white album" (with Stokowski's autograph) made popular by the Beatles 3 decades later, was of the broadcast outlined in the next paragraph:
A concert of the Philadelphia Orchestra at the Academy of Music, sponsored by AT&T was captured by three microphones spaced across the front of the orchestra and transmitted via three long lines to Constitution Hall in Washington, D.C. where three amplified loudspeakers reproduced the orchestra sound. The orchestra was conducted by Alexander Smallens, assistant conductor of the Philadelphia Orchestra, with Stokowski controlling sound balance.
PWK's own developments were done in a room that allowed 25 foot spacing between Klipshorns. That room became the Klipsch museum PWK showed me in 1985 (it was across the street from the Plant in Hope, I have pictures) and used Dr. C.P. Boners diffusion panels to make better sound reproduction.
The problem wit "D" is that in all configurations the speakers are extremely close together, making the center channel unnecessary for 2 channel music nowadays because the spacing is too narrow and the Center channel is, primarily, for Movie Dialog. So it's an apples and oranges comparison at best.
Thank you for all the historical info, it is appreciated and very interesting. The room I am in is 16 x 25 feet and I would most likely only be allowed to set the speakers up on the short wall (my wife is very tolerant of all the strange junk I buy but the room is also hers.) The room is currently arranged so only the short end is available. I might someday rearrange to set the three speakers (two Heresy and one nearly identical KP-250) up on the 25 foot wall to see what they sound like. I am more interested in the historical aspects than in some permanent optimization. So I will try the PWK method and my Yamaha's unknown algorithm. Right now, on the short wall, the 3.1 system sounds good, but I cannot claim that it is "better" than the 2.1 system without the center speaker. It is different, but not necessarily better. And I have not set up PWK's box, nor do I have a center channel amp. So it is just the built in Yamaha algorithm now.
Long term the single KP-250 probably goes into a gutted 1920's radio cabinet to make a super-mono radio. As I said, my wife is very tolerant of my strange junk.
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32 minutes ago, wuzzzer said:
There's probably 2mm of space around my Heresy grilles when they're installed.
I haven't measured the driver cutouts in the grilles but they should be at least the diameter of the cutouts in the motorboard.
2mm on each side? Thus the cutting dimension for the board would be width (or height) of the rectangular opening minus 4 mm minus 2x the thickness of the cloth. Cloth thickness is probably negligible. Thanks!
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First off, is grill boards what they call the panels that support the grill cloth? I bought some Heresy speakers with no grills. I bought fabric from Crites and metal logos. I now have the Masonite hardboard material. I know that it must be smaller than the rectangular hole that it sits in. How much smaller? At least by twice the thickness of the cloth that will wrap around the board. How much more than that?
And the holes for the speakers - Is the correct size exactly the same as the outlet of the speaker or a bit larger? How much larger?
Thanks
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In order:
R-51PM’s - Bought for my computer early in the COVID lock down.
R-51M’s - bought as a gift to my daughter who had a vintage receiver and needed speakers.
Heresy Ones, bought on the internet. Just because.
KP-250 (singleton) bought on the internet because it was stupidly cheap. I will experiment with it as a center speaker but might also put it inside a gutted 1920’s radio cabinet. I wouldn’t disassemble it, just sit it in there and hide it with grill cloth.
R-51PM’s were stolen by my wife as TV speakers, “just for the Christmas season.” I may never get them back.
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I just bought a pair of Heresy speakers from 1983. Step one, what are the stiffening mods?
How to dip my toes into tubes
in Talkin' Tubes
Posted
Is the Heresy 4 ohms? I thought t was nominally 8. I never measured mine...