Pioneer SA-508 User Manual

Avoid electric shock by not removing covers and referring servicing to qualified personnel.

Confirms 240V factory adjustment for UK/Australia and details UK mains wiring color codes.

Describes the single-stage differential amplifier with current mirror load for high amplification.

Highlights low-noise transistors, RIAA deviation, and phono overload level for high-fidelity playback.

Details the fast-response fluorescent display tubes indicating power levels instantaneously.

Lists functions like subsonic filter, loudness, function indicators, speaker terminals, and tape jacks.

Advice on placing shelves, turntable, audio rack, and tuner for optimal sound and operation.

Guidance on speaker placement, listening triangle, and carpet impact on sound.

Lists locations liable to downgrade performance and cause breakdowns, such as direct sunlight or dusty areas.

Details connections for two pairs of speakers and explains switched/unswitched AC outlets.

Describes connections for ground terminal, tape jacks, and input jacks (Phono, Tuner, Aux).

Instructions for checking and changing the line voltage selector and fuse for different regions.

Illustrates how to connect turntable, tuner, cartridge tape player, tape decks, and speakers.

Details on connecting left and right speakers to the corresponding terminals and polarity.

Step-by-step guide on preparing speaker wire and connecting it securely to the terminals.

Explains connecting turntable output/ground and tuner input.

Details connecting components to AUX jacks and tape decks for recording/playback.

Describes the power switch for turning the unit on/off and the speaker selector for choosing speaker outputs.

Explains the power meter for output level and function indicators for program sources.

Details the loudness switch for accentuating bass at low volumes.

Adjusting output level, using headphone jack, and modifying bass, treble, and balance.

Using the subsonic filter, function selector, and tape monitor switches.

Setting initial control positions before powering up and precautions during operation.

Instructions for playing records, listening to broadcasts, and using the AUX jacks.

How to play back tapes, record from sources, and monitor recordings.

Instructions for copying tapes between two connected tape decks.

Checks and solutions for when the amplifier produces no sound.

Diagnosing and resolving occasional noise or howl caused by connections or settings.