Marantz - SD-4000 2-speed 3-heads Audio-cassette deck

Perfect sounding 2-speed Marantz!
With high speed recordings, the resolution is even better.
3-heads for direct record monitoring.
All common problems are solved:
new capstan and wind belt placed.
Speed checked and set correct.
Contacts cleaned
Heads Cleaned and demagnetized.
Mechanics lubricated
Azimuth correct

Barly signs of use. See all pictures.
All functions are tested and okay.
Records perfectly!
Heads are very good.

Type: 3-head, single compact cassette deck

Track System: 4-track, 2-channel stereo

Tape Speed: 4.75, 9.5 cm/s

Heads: 1 x record, 1 x playback, 1 x erase

Motor: 1 x DC servo

Tape Type: type I, FeCr, CrO2, Metal

Noise Reduction: B

Frequency Response: 30Hz to 19kHz (Metal tape)

Signal to Noise Ratio: 67dB (dolby B)

Wow and Flutter: 0.06%

Input: 70mV (line), 0.25mV (mic)

Output: 0.65V (line)

Semiconductors: 59 x transistors, 6 x IC, 34 x diodes, 6 x LED

Dimensions: 416 x 146 x 243mm

Weight: 7kg

Year: 1978

Carefully insured shipped