Amplifier classes
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Joined: Jan 2011
Posts: 1,291
connoisseur
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OP
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Joined: Jan 2011
Posts: 1,291 |
i just sold my Hafler 500 amp (class AB) - along with the Hafler 110 preamp - to be replaced with a QSC GX5 (class D) which makes for a total of 2 QSC amps in my HT. the GX5 is half the weight, half the height, has more power, runs very cool, is built like a tank, uses much less electricity and the sound is excellent.
the Hafler was 27 years old and running as new, but i thought it would be better to sell it before some parts would break down with no original replacement parts available, or high repair charges.
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Re: Amplifier classes
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Joined: Mar 2008
Posts: 1,378
connoisseur
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connoisseur
Joined: Mar 2008
Posts: 1,378 |
The GX5 is a Class H amp, not a Class D amp. Class H is a modified Class AB with about 70% efficiency. Class D amps are 90+% efficient. It looks like a super amp though!
LFR1100 Actives,QS10HPx2,QS8x2,EP800,M3x4,M3x2 (Wood),M5HPx2 (Wood),AxiomAir,ADA1500-8,ADA1500-7
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Re: Amplifier classes
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Joined: Jan 2011
Posts: 1,291
connoisseur
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OP
connoisseur
Joined: Jan 2011
Posts: 1,291 |
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Re: Amplifier classes
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Joined: Jan 2011
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connoisseur
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OP
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Joined: Jan 2011
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the new amp (QSC GX5) was installed 2 days ago; yesterday morning i ran Audyssey calibration. same good sound as before, and a HT room that's not quite as warm.
for those interested to have a look, just go to the address in my signature.
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Re: Amplifier classes
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Joined: Jan 2011
Posts: 1,291
connoisseur
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OP
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Joined: Jan 2011
Posts: 1,291 |
My Hafler buyer wanted only the preamp, so i still have the Hafler 500 amp to sell. For pick up only, as it weighs a lot and i'm in no shape to pack it and send it away.
For info: Gellidius at Yahoo.com
2 variable sensitivity pots on the front (like the pro model). 2 quiet fans.
Power continuous/peak: 8 Ohms: 325/405 4 Ohms: 450/800 2.5 Ohms: ???/1250
Last edited by J. B.; 06/13/12 08:08 PM.
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