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Are Carver amps this good?

222.155.17.122

Hi, members of the Forum with much wisdom.

There is a Carver amp for sale close to where I live. The description is below. My question is.. are the claims made in this advertisement for real? If so, how would this work? Has anyone got a circuit diagram?
If these claims are real, surely someone would have copied, adapted or improved these features.

Your thoughts?

Crimson 275 uses KT120 output Tubes that run thru Bobs unique DC restorer circuit. This allows the tubes to run cool and extend the life of the tube. The variable bias circuit allows you to fine tune the sonic signature and make the amp sound warmer like a classic tube amp or add detail like a more contemporary design. Set from the factory the 275 sounds amazingly close to the large 350 watt mono's but with only 1/4 of their power and is about 30% of their cost.

Bob's unique DC Restorer circuit makes the amp much more efficient than conventional allowing the use of hi efficient smaller output transformers. Advantages are that it runs cooler than normal tube amps, weighs less and the tubes should last forever.

Another significant feature of Bob's design is its ability to " listen to the room," sometimes referred to as the speaker-microphone effect,'

Facilitated by a special current feedback loop, it allows the amplifier to hear' the room's reverb, along with its unique sonic signature. Each room plays its own tune, and this amp uses the speaker as a microphone by using the speaker in reverse (the theorem of reciprocity) to "listen to the room,' thereby allowing a portion of the room acoustic to be expressed through the main speakers. Think of it this way, the room becomes an integral part of the music in a way no other amplifier allows. The sound is more majestic, more realistic, and the soundstage is larger and more compelling than it would be without this unique ability. (sells in the USA $2,750.00 + State Tax)

Specification:

Rated Power: 75 watts / 8 ohms or 4 ohms

Distortion: less than 0.5%

Line inputs: 2 x RCA

Input Impedance: 100 kohms

Gain: 30 dB (8 ohms)

Tube Complement: 1 x 12AX7, 2 x 127AT7, 4 x KT120

Bias: Rear panel potentiometer adjust, front panel metre

Source Impedance: 1.7 ohms

Follow Ups:

Junk - Triode_Kingdom 08:43:21 08/29/24 (0)
Run like hell...
RE: Are Carver amps this good? - 6bq5 17:48:53 08/27/24 (0)
I would not sell a Carver amp if you gave it to me.

I don't want the hassle of dealing with the customer in the future...
Happy Listening
RE: Are Carver amps this good? - Tre' 12:44:44 08/26/24 (0)
.
Have Fun and Enjoy the Music
"Still Working the Problem"
RE: Are Carver amps this good? - dogscanskate 05:51:46 08/26/24 (0)
Do your homework and look around, Carver has been taken to task with this amplifier. Ask the seller to take the covers off the output transformers and you'll find 15 watt output trannies lol. He got called out so do your homework as it's all over the Internet.
ASR, Steve Hoffman Forums, HiFI Haven, AK have all denounced Carver on this amp, it is not what they claim.
RE: Are Carver amps this good? - Doublej 05:29:39 08/26/24 (4)
I'll let you make your own decision.
- https://www.audiosciencereview.com/forum/index.php?threads/c (Open in New Window)
- THAT one was before Bob sold the company.... those output transformers were a copy from a huge Baldwin design. - Cleantimestream 14:26:08 09/14/24 (3)
  Very rare, made by Cincinnati transformer and I personally knew the man who sold the last 4 NOS to Bob and he wound (attempted?) the rest using that template. I owned 1 of the first 200 SS Carver M1.0T amps that were voiced by Carver to sound like the Conrad Johnson Premiere 5's. Ran day and night for 10 years then sold it Sounded almost as good as my Bedini Class A 100/100.
  The Mind has No Firewall~ U.S. Army War College.
  - This output transformer? - Tre' 15:42:15 09/14/24 (2)
    It looks like it was made by Edcor.
    
    Tre'
    Have Fun and Enjoy the Music
    "Still Working the Problem"
    - absolutely not these were larger than Dynaco mk III... - Cleantimestream 11:13:08 10/31/24 (1)
      Around 15 lbs, But we're interleaved special from Cincinnati tx-former that were designed for some gigantic organ. Lynn Spelts whom worked for Baldwin for some 30 years sold the last 3 to Bob Carver... Who destroyed one to copy.
      
      That is all I know except Baldwin usually used one transformer for highs and another for lows.... This one took care of everything.
      The Mind has No Firewall~ U.S. Army War College.
      - RE: absolutely not these were larger than Dynaco mk III... - Tre' 16:34:09 11/19/24 (0)
        
        In Reply to: RE: absolutely not these were larger than Dynaco mk III... posted by Cleantimestream on October 31, 2024 at 12:13:08
        
        So you're not talking about these amps?
        These are the amps with the tiny output transformers hiding under the nice big cover cans.
        Tre'
        Have Fun and Enjoy the Music
        "Still Working the Problem"
        
        Edits: 11/19/24

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