Kenwood KR-V5090 Phono Preamplifier Circuit
The RIAA phono preamplifier circuit in the Kenwood KR-V5090 is based on the JRC 4580D dual operational amplifier IC. This was a very elegant and simple circuit design that I have seen in many Japanese amplifiers.
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Kenwood KR-V5090Inside View
Power Amplifier IC Modules
STK499-070
Main Board and Chipset
Phono Preamplifier Circuit
Front Panel Board
Standby Power Board
Tuner Board
NJU7313AL
LA2786
M62430FP
SAA6579
Power Supply
Back Sockets