Sherwood RVD-6095RDS Electronic Engineering

The Sherwood RVD-6095RDS amplifier is extremely well designed and constructed, because the design philosophy in this amp is to use discrete components for the audio power output stage, and this requires much planning and designing to get right. Of all the amplifiers that I have seen, including the Nakamichi AV series, this one has very impressive build design. Right from the start, they have kept all the internal functionality separate resulting in a modular construction with eight separate printed circuit boards. The digital circuitry is on the front panel, whilst the audio power output board is vertically oriented some distance away.

The main board consists of the power supply and voltage regulators and all the other boards plug into the main one. It is interesting to see that all the voltage regulators have heatsinks, which manufacturers tend to neglect. If you are an engineering student, then this is the type of design to emulate. Advantages of such a modular design means fewer amount of wiring resulting in less crosstalk, and cleaner audio. It also makes servicing simpler because if you wanted to change the audio power output transistors, you only need to remove the power amp board, leaving the rest untouched.

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