MARANTZ PM750 ST500 SD3000 and 5010! VINTAGE STEREO TEST

Specifications
PM750
Power output: 80 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 75kHz

Total harmonic distortion: 0.03%

Damping factor: 85

Input sensitivity: 0.28mV (MC), 150mV (line)

Signal to noise ratio: 85dB (MM), 98dB (line)

Output: 410mV (line)

Dimensions: 416 x 117 x 329mm

Weight: 9kg

Year: 1982

ST500
Type: Mono/Stereo Tuner

Tuning Bands: FM, MW

Tuning Scale: Digital

FM Tuning Range: 87.5 to 108 MHz

MW Tuning Range: 531 to 1602 kHz

Sensitivity: 0.9uV (FM), 25uV (MW)

Signal to Noise Ratio: 65dB (FM), 55dB (MW)

Distortion: 0.2% (FM), 0.5% (MW)

Selectivity: 45dB (FM), 30dB (MW)

Frequency response: 30Hz to 15kHz (FM)

Output: 0.7mV (FM)

Semiconductors: 10 X IC, 33 x transistors, 70 x diodes, 3 x FET

Dimensions: 416 x 73 x 300mm

Weight: 4kg

Year: 1979

5010 DECK
Type: 2-head, single compact cassette deck

Track System: 4-track, 2-channel stereo

Tape Speed: 4.75 cm/s

Heads: 1 x record/playback, 1 x erase

Motor: 1 x DC servo control

Tape Type: type I, FeCr, CrO2

Noise Reduction: B

Frequency Response: 40Hz to 16kHz (Cr02 tape)

Wow and Flutter: 0.12%

Total Harmonic Distortion: 1.8%

Semiconductors: 21 x transistors, 3 x IC, 23 x diodes, 2 x LED

Dimensions: 440 x 146 x 297mm

Weight: 6.7kg

SD 3000
Type: 2-head, single compact cassette deck

Track System: 4-track, 2-channel stereo

Tape Speed: 4.75, 9.5 cm/s

Heads: 1 x record/playback, 1 x erase

Motor: DC servo

Tape Type: type I, FeCr, CrO2

Noise Reduction: B

Frequency Response: 40Hz to 16.5kHz (FeCr tape)

Wow and Flutter: 0.08%

Dimensions: 416 x 146 x 239mm

Weight: 6.6kg

Year: 1979