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kedwardsleisure View Drop Down
Old Croc
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Joined: 20 January 2009
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Points: 4947 		Direct Link To This Post Posted: 20 May 2010 at 7:55pm
Quote in 2010, they are still people interested...?


Of course, that's a daft question.

These amps are in production now and there are plenty out there that are in need of a service. Schematics simply make that task easier.
Kevin

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ArthurG View Drop Down
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Points: 976 		Direct Link To This Post Posted: 20 May 2010 at 8:07pm
Originally posted by kedwardsleisure kedwardsleisure wrote:

Quote in 2010, they are still people interested...?


Of course, that's a daft question.

These amps are in production now and there are plenty out there that are in need of a service. Schematics simply make that task easier.
that's a good reason, point made Thumbs Up
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DjLeco View Drop Down
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Points: 817 		Direct Link To This Post Posted: 21 May 2010 at 11:35pm
The schematic is stollen from old designs AB class of QSC.
 
You'll find on QSC site.
I'm A Stupid SMART Romanian...
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kedwardsleisure View Drop Down
Old Croc
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Points: 4947 		Direct Link To This Post Posted: 22 May 2010 at 3:13pm
Specifically the QSC RMX series...but we're treading over old ground here; look for forum posts involving DAP Audio, Audiohead, C-Mark, T-Amp etc and no end of other brands marketed around the world.


Kevin

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burningbush View Drop Down
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Points: 5897 		Direct Link To This Post Posted: 22 May 2010 at 7:28pm
HH S500d, been round the block a few times:
music is the message
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dannyavila View Drop Down
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Points: 97 		Direct Link To This Post Posted: 27 May 2010 at 4:36am
A Canadian Yorkville AP6020 (2 steps Class-H).
 
 
 
 
Enjoy!
Danny Avila.

Tech Service Manager

Inaudio Servicios Integrales.
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opus View Drop Down
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Points: 112 		Direct Link To This Post Posted: 27 May 2010 at 9:09am
Originally posted by dannyavila dannyavila wrote:

A Canadian Yorkville AP6020 (2 steps Class-H).
 
 
48 output transistors! Beautiful....
 
A popular sound system in St Lucia (Power Plus) runs these. Really hard hitting but on a rack of 3+ units, dedicated power supply is a must
 
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Father-Francis View Drop Down
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Points: 2760 		Direct Link To This Post Posted: 27 May 2010 at 8:26pm
powersoft Q3204
Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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Joe Average View Drop Down
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Points: 1221 		Direct Link To This Post Posted: 27 May 2010 at 10:20pm
To be fair, that is a major hard on. Amplifier poetry Smile
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Saul View Drop Down
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Points: 5912 		Direct Link To This Post Posted: 27 May 2010 at 10:54pm
yep serious stuff
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dannyavila View Drop Down
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Points: 97 		Direct Link To This Post Posted: 28 May 2010 at 4:11am
Well, to be honest, as neat, clean and elaborated as it seems, it isn't yet a Power Amplifier but an Audio Signal Power Emulator that still needs a lot of work to sound like an analog Power Amplifier. I think that Class-D development competition has "blinded" all the commercial efforts to optimize analog topology designs and even when the fate of the industry points desperately toward that direction I wonder if we've discarded analog signal amplification too fast.
 
For some pseudo-puritans (hypocrite) like me, Digital Audio Mixers mean a step back in audio treatment but its convenience over the heavier, massive and tons-of-outboard-gear-hunger Analog desks is proven every single day no matter how good sound can produce a Midas H3000 compared to a Midas XL8. And we've accepted it as if. MP3 has replaced WAV and other audio quality lossless media formats not because its High Fidelity capabilities but for the convenience of space saving. Is it coming the day when audio quality won't matter anymore as long as you can carry 100.000 songs in a chip?
 
Who cares! Class-D devices are becoming lighter, smaller and powerful every year and there's no way back on this (I just can't accept it).
 
My 2 cents rant...
 
Ouch
Danny Avila.

Tech Service Manager

Inaudio Servicios Integrales.
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andyamp View Drop Down
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Points: 2115 		Direct Link To This Post Posted: 28 May 2010 at 7:12am
Danny correct.
have to do a class D next then
a wise man changes his mind a fool does not.
http://www.matrixamplification.com/
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