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Toshiba SA-504

Four Channel Stereo Receiver (1972-76)

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Toshiba SA-504


Tuning range: FM, MW

Power output: 70W/ch (stereo), 35W/ch into 8Ω (quadraphonic)

Frequency response: 10Hz to 55kHz

Total harmonic distortion: 0.4%

Damping factor: 20

Input sensitivity: 2.5mV (MM), 30mV (ceramic), 150mV (DIN), 150mV (line)

Signal to noise ratio: 65dB (MM), 70dB (ceramic), 75dB (line)

Output: 150mV (line), 30mV (DIN)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 3 x IC, 3 x FET, 75 x transistors, 34 x diodes

Dimensions: 500 x 380 x 115mm

Weight: 13kg

Year: 1972


service manual   English - vymyl

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re: SA-504

Purchased this receiver new in 1979. I have always enjoyed the fidelity and
frequency response produced by this receiver.
The SA504 is still going strong driving a pair of 15" speakers.

re: SA-504


it is in my opnion one of the best sounding quadro recievers.
Certainly more fidelity inside than the expensive marantz versions.

Mine has unstable back channels, so I want to fix this.

thanks to whoever put this service manual online.

many thanks from holland

This website is not affiliated with or sponsored by Toshiba. To purchase SA-504 spares or accessories, please contact the company via their website or visit an authorised retailer.