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SET Amps or lower powered amps?

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Posted on November 7, 2007 at 06:53:07
theromium
Audiophile

Posts: 195
Location: Mesa, AZ
Joined: March 12, 2005
 When I saw the 100dB sensitivity spec, initially thought of a budget amp set-up with the CS2. low powered SET, DIY Gaincard, T & D, etc. Others have mentioned that a SS amp is better and that more power is necessary.
(Than saw that they demo'ed w/ Bel Canto amps)
Any comments on actual successful amp setups is appreciated.

 

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RE: SET Amps or lower powered amps?, posted on November 19, 2007 at 20:47:58
Clayton
Manufacturer

Posts: 17
Joined: June 26, 2000
 We don't have a good working list of amps yet. But here are some findings:
• TOP END AMP- Driving the 100dB sens compression driver directly allows the use of virtually any amp for this part of the speaker. Therefore SET amps will work. The jury is out as to the sound of this combo. We know large amps such as the ICEpower 1000W monoblocks sound very good as well as class A/B linear amps. Low noise is very important here with such high sensitivity. The First Watt amp may be a very good candidate.
• BOTTOM END AMP- Since the bass amp is operating below 1kHz only, the sound quality requirements are less critical. EQ boosting is added to the woofers by the DSP, so flea size amps will not work. The load impedance is 4 Ohms. We have found that every decent solid state amp we have tried worked well in this range. 6550 based Push-Push tube amps also work well.

We will post more on this topic when we get more feedback from dealers and end users.

Clayton Shaw

 

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