2. amps-preamps
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Suggestions needed for an SS Stereo Amp w/+175wpc

I need to reduce the number of components to accommodate a smaller rack. Room size is 15 x 20 x 9ft. Currently using Arcam P1 monoblocks (175wpc @8ohms) with an Arcam AV8. The system is used for stereo listening and video. Speakers will be Ohm 1000's.

The preamp output impedance of the AV8 is 25 ohms. To obtain satisfying dynamics at low volume I want an amp with as much, or more power than the P1's.

Which SS amps should I consider that will pair well with the preamp section of my AV8? My budget is 2k, and recommendations for used amps are fine. Thanks.
dante7
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mapman's avatar
mapman
22,281 posts
 
Bob,

Efficiency in the sense that the power output doubles into 4 and then even into 2 ohms, not overall power delivered out versus consumed.

The Carver was a m4.0t, solid state, 360 watts/channel into 8 ohm but only marginally higher into 4 ohm (not even close to 720 w/ch), and not very high current delivery compared to most other "monster" amps with similar power specs into 8 ohm.
almarg's avatar
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almarg
9,670 posts
 
Mapman, in my opinion you've offered some really excellent, valuable comments.

The one thing I would add in the way of clarification is that your item 4 really equates to your item 3 + item 5. In other words, the reason that the ability to progressively double power as load impedance is halved is significant, is that it signifies that the amp has both high current capability (relative to its power rating) and high damping factor (which is the same as low output impedance).

"Efficiency" is probably not the best term to use for these capabilities.

Best regards,
-- Al
mapman's avatar
mapman
22,281 posts
 
Al, thanks for the clarification and glad I didn't mess that all up too much.
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