The History Kid Posted January 13, 2016 Share Posted January 13, 2016 http://quadcities.craigslist.org/ele/5397642295.html Not even slightly interested in buying this, but it's the third or fourth time I've seen Bose amplifiers praised with the phrase "insane amplification." What exactly is it about these amplifiers that some people seem to love so much, and are they typical Bose gear or something more? Certainly wouldn't want to bother the "professional hobbiest" with questions like these - rather I turn to a group of people I trust. Can anyone lay some old school education on me? Quote Link to comment Share on other sites More sharing options...
Schu Posted January 13, 2016 Share Posted January 13, 2016 http://quadcities.craigslist.org/ele/5397642295.htmlNot even slightly interested in buying this, but it's the third or fourth time I've seen Bose amplifiers praised with the phrase "insane amplification." What exactly is it about these amplifiers that some people seem to love so much, and are they typical Bose gear or something more?Certainly wouldn't want to bother the "professional hobbiest" with questions like these - rather I turn to a group of people I trust. Can anyone lay some old school education on me? Quote Link to comment Share on other sites More sharing options...
Arrow#422 Posted January 13, 2016 Share Posted January 13, 2016 I might need to visit the local Goodwill soon and pick up a cheap set of speakers for an "experiment". Then, I will proceed to blister them with some whoop *** mono-block power and report back on how they did - or hopefully didn't. A fire extinguisher will be handy as I'm hoping for some circuitry smoke somewhere along the way. 1 Quote Link to comment Share on other sites More sharing options...
derrickdj1 Posted January 13, 2016 Share Posted January 13, 2016 (edited) It is a beast of an amp size wise and power. It can peak 800 watts combined for 2 ch. It is vintage 70's and most like will need some work. If not now, soon. Nice meters also, lol. Edited January 13, 2016 by derrickdj1 1 Quote Link to comment Share on other sites More sharing options...
garyrc Posted January 13, 2016 Share Posted January 13, 2016 http://quadcities.craigslist.org/ele/5397642295.html ... it's the third or fourth time I've seen Bose amplifiers praised with the phrase "insane amplification." What exactly is it about these amplifiers that some people seem to love so much, and are they typical Bose gear or something more? It is a beast of an amp size wise and power. It can peak 800 watts combined for 2 ch. Some Bose speakers, like the 901, NEED that kind of power to sound halfway good. The smallest amp I heard back in the day that made the 901s sound good was a Phase Linear 700 (350 w.p.c.). They sounded a bit better with a McIntosh 1,000 watt amplifier. 3 Quote Link to comment Share on other sites More sharing options...
Ceptorman Posted January 13, 2016 Share Posted January 13, 2016 Crappy pics. 2 Quote Link to comment Share on other sites More sharing options...
The History Kid Posted January 13, 2016 Author Share Posted January 13, 2016 (edited) Thanks guys... ...so, what might require that kind of amplification though besides really inefficient speakers? Is someone really going to notice speakers pushing 600, 700, 1 kW? I'd think your hearing would give out before then. (You know, besides the 901's.) Edited January 13, 2016 by IbizaFlame 1 Quote Link to comment Share on other sites More sharing options...
Matthews Posted January 13, 2016 Share Posted January 13, 2016 ...so, what might require that kind of amplification RF-7, power hungry monsters 1 Quote Link to comment Share on other sites More sharing options...
ClaudeJ1 Posted January 13, 2016 Share Posted January 13, 2016 Like most of the BS comments when people are trying to sell a pair of "RARE" Heresys. It's an exaggeration. If you want insane power, go to modern Pro Amps like the crown iTech series. 1 Quote Link to comment Share on other sites More sharing options...
juniper Posted January 13, 2016 Share Posted January 13, 2016 I have a buddy who has insane amplification, he uses 7 spectrons in a 4.1 system..... Quote Link to comment Share on other sites More sharing options...
jacksonbart Posted January 13, 2016 Share Posted January 13, 2016 Top Notch! Quote Link to comment Share on other sites More sharing options...
The History Kid Posted January 13, 2016 Author Share Posted January 13, 2016 RF-7, power hungry monsters I thought the 7 was known to thrive on amplification down to 2 watts? Quote Link to comment Share on other sites More sharing options...
Quiet_Hollow Posted January 13, 2016 Share Posted January 13, 2016 (edited) I have an old Crown DC 300 which was considered a rock of a professional amp during the same time. Vertically indestructible by rock groups no matter how they were handled or hooked up that I do not even consider worth fixing. Most professionals would not even consider carrying this heavy amp around when the same results can be achieved with present made amps. I've got two of the Series II in very good condition. Every time I plug them in, I'm left wondering why I ever consider going new. I paid next to peanuts for them. When plugged into a class A preamp or a good late-model DAC, other than the sheer bulk of their transformers, I cannot find any reason to dispense with them based on the resulting sound. Edited January 13, 2016 by Quiet_Hollow Quote Link to comment Share on other sites More sharing options...
mark1101 Posted January 13, 2016 Share Posted January 13, 2016 Forum member JWC has a pair of McIntosh 1200 monoblocks. I'd call those pretty insane for home audio. I am pretty sure he had to install individual breakers for each and they are montsters as far as size and weight. I also remember seeing them hit 1000 watts on those huge meters one night. 3 Quote Link to comment Share on other sites More sharing options...
The History Kid Posted January 13, 2016 Author Share Posted January 13, 2016 I guess it just seems too far out there to me. I'm pretty sure I don't use all 65 watts on my receiver, nor all 120 on my power amp - perhaps a quarter of each respectively. I just can't imagine what kind of pressure 1 kW would exert. Quote Link to comment Share on other sites More sharing options...
wvu80 Posted January 13, 2016 Share Posted January 13, 2016 (edited) Thanks guys... ...so, what might require that kind of amplification though besides really inefficient speakers? Is someone really going to notice speakers pushing 600, 700, 1 kW? I'd think your hearing would give out before then. (You know, besides the 901's.) There are pro speakers that can take that much power. Most home speakers don't need that much power because as you said, at home your ears would give up first. These days, especially in the DIY community the use of pro speaker drivers for home theater setups seems like it is all the rage. Edited January 13, 2016 by wvu80 Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted January 13, 2016 Share Posted January 13, 2016 Why does "insane amplification" have to mean extremely high power? As all know, I represent the opposite extreme of "insane amplification" with flea-power! One third of a watt/channel is certainly insane; but, with Klipsch speakers it can be amazing... Maynard 3 Quote Link to comment Share on other sites More sharing options...
The History Kid Posted January 13, 2016 Author Share Posted January 13, 2016 I guess that's what I'm getting at Maynard, I don't understand the appeal if you have decent and efficient speakers in the home. I can see it from a pro stance, but home? Quote Link to comment Share on other sites More sharing options...
Woofers and Tweeters Posted January 13, 2016 Share Posted January 13, 2016 Forum member JWC has a pair of McIntosh 1200 monoblocks. I'd call those pretty insane for home audio. I am pretty sure he had to install individual breakers for each and they are montsters as far as size and weight. I also remember seeing them hit 1000 watts on those huge meters one night. What was on the other end of the speaker wires? 2 Quote Link to comment Share on other sites More sharing options...
Matthews Posted January 14, 2016 Share Posted January 14, 2016 I thought the 7 was known to thrive on amplification down to 2 watts? Yes, the RF-7 as well as other highly efficient models will play very nicely with low output amplifiers. What I am saying is those 2 watt amps will not open the "power hungry" sevens up. I can compare running my Chorus with a 170 wpc channel SS vs. 6 wpc SEP. The tubes sound amazing don't get me wrong. The high power SS however will shake the windows out of my house on the Chorus. There is a very stark difference. When I had my RF-7 pair (originals), they sounded good with an Onkyo 85 wpc AVR. They sounded better with an Adcom 125 wpc power amplifier and pre. The 7's would blow my socks off running a vintage Yamaha M-80, 250 wpc. Simply amazed me how much the speakers opened up with increased power. And yes, I used every bit of it, often. All I am saying is the RF-7 as well as the Chorus are "power hungry monsters" in that they love to be fed more and more. It is almost like they evolve to another plane the more you feed them. Matt ♪ ♫ ♪ Quote Link to comment Share on other sites More sharing options...
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