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#1 |
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diyAudio Member
Join Date: May 2003
Location: San Diego, USA
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Here is an interesting and big class A amp.
EBAY Link I'm not affiliated but thought that this is so rare others might want to see it. cool stuff - hours runtime meter! - internal fan but no venting on the case? where is the air going? Some kind of "calibrator" to null the distortion from the 2 channels? How did that work?
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My DIY audio projects- PartTimeProjects.com. Last edited by lgreen; 6th August 2010 at 09:58 PM. |
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#2 |
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diyAudio Member
Join Date: Feb 2005
Location: Gelderland
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a fan as internal heatspreader is quite nice and has several pros.
most heat will eventually be dissipated by the sidewall heatsinks. it looks like a lab amp of sorts (me likes ;p) |
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#3 |
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diyAudio Member
Join Date: May 2003
Location: San Diego, USA
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Not sure its a lab amp. What do you mean a fan as a heat spreader? Put in a fan and no vent holes and the heat spreads to the heatsinks?
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My DIY audio projects- PartTimeProjects.com. |
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#4 |
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diyAudio Member
Join Date: Feb 2005
Location: Gelderland
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yes, and to equalize spot heating of some parts. ofcourse the heatsinks self must be cool (as in large for the power they dissipate), as they will be the coolest things of the case. i'd guess the output transistors are straight on the heatsinks.
furthermore one does not have to have ventilation slots to outside, so dust stays out in principle. there is some dust on the fan of the pic, i wonder where it came from. i'd quess it is more than is in one or a few of such cases full of air :P |
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#5 |
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diyAudio Member
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Wow!
As you can see by the price, this is a "famous" amp. Designed by John Iverson... If ur not familiar with his story, you might search on the web. A bit of "Jimmy Hoffa" in the tale... _-_-bear
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_-_-bear http://www.bearlabs.com ...ur feeback please - like/dislike my what I have written? PM/email tnx. -- |
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#6 |
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diyAudio Member
Join Date: May 2003
Location: San Diego, USA
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No kidding- check this out on the Prison Planet Forum.
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My DIY audio projects- PartTimeProjects.com. |
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#7 |
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diyAudio Member
Join Date: Jul 2003
Location: berkeley ca
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Probably the mafia got him. My best guess. The local power company allegedly burned up his power generator as well. He just did not have the proper 'fear' of authority.
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#8 |
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diyAudio Member
Join Date: May 2003
Location: San Diego, USA
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The amp does look very nice though. Was it good?
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My DIY audio projects- PartTimeProjects.com. |
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#9 | ||
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diyAudio Moderator
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Quote:
Quote:
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“Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache |
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