Every once in a while, I run across or design a circuit worth saving or making available for fun. This is the Pioneer SA-5500II Stereo Amplifier Circuit or Schematic Diagram for the KU and KC versions.

The SA-5500 II was introduced in 1977 and was Pioneer's most affordable integrated amp that year. It was offered through 1979. It was rated at 15 watts per channel and had an industry standard frequency response of 20 to 20,000 Hz. It was literally the lightweight of Pioneer's integrated amps at a mere 11.5 pounds. It listed for $125.00. For budding stereophiles on a budget, it was a great starter amp.

The file down-load is available in Adobe PDF file format.

OK, that's about it, good luck and enjoy.
Cheers,
Skipp
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