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Silver Rock Toroidal Phono Amplifier

Silver Rock Phono Toroidal

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The Silver Rock Phono was made available in 2003. It has been a very successful Phono stage that the press and many of our customers have accepted with great enthusiasm.

The basic topology was quite simple, while the complexity was included in the 4 inductive elements per channel.

MC step up at the beginning, followed by an active device including inductive RIAA crossover, and finally an output transformer, which together reached a comfortable 70 dB of gain @ 1KHz.

Over the last 5 years we have developed several products containing new toroidal core transformers (Mc step up, Meteor AVC, Mipa Reference).

We gained knowledge in this specific field and decided to improve the already excellent Silver Rock Phono Amplifier, replacing all 4 inductive elements with toroidal cores.

The power supply capacitors as well as the resistive elements were also improved while working on this “no compromise” Silver Rock Phono Amplifier.

We call it the:

“Silver Rock Toroidal Phono Amplifier”

Product Features:

  • Solid state circuit
  • Toroidal Silver Rock MC step-up transformer at the input using cryo silver wire
  • RIAA equalization is achieved with resistors and toroidal silver wire inductors
  • Toroidal Silver Rock output transformer using cryo silver wire
  • Gain: 70 dB 
  • Lead/acid batteries as power supply
  • Very low production of heat
  • Power consumption: idle 0.5 watt
Lacquered black MDF chassis 29`500 CHF
Green Maple cabinet 33`500 CHF 

 

 Silver Rock Toroidal Phono Amplifier in Green Maple cabinetSilver_Phono_Toroidal.jpg


 "Stereo Times most wanted components 2012 - Silver Rock phono preamplifier

Stereo TimesSilver Rock Phono

".... So far, with the Silver Rock in the system, it's been one of those "died and gone to heaven" type experiences. I can only imagine what the rest of his components would do. It's hard to believe folks that just starting out with battery-powered phono stage, could infuse this much magic into my own rig. Yes, and it's only the start! "  - Stereo Times  - ....more

 


Test LP 4/2010

"Serge Schmidlin has built a sensationally good phono preamp. This is a phono preamp with almost magical properties of sound. "

Article LP-Magazine 04/2010