Marantz Model 3250

Stereo pre-amplifier

Solid state

3250 (1977-78)

FRONT PANEL : anodized Silver. Upper level (from left to right) : Selector (mic, phono2,phono1, tuner, aux) Tape copy (1-> 2 / out / 2->1). Tape monitor (1,source,2). Red pilot lamp. Bass,mid,treble slider controls. Mode /reverse, stereo, L+R, L, R). Contour. Volume. Lower level : Left and right mic input jacks. Tone mode (turn-over, defeat). Muting, Balance slider control. Low filter (100 Hz) and hi-filter (10 kHz). Speaker system 1 and 2. Headphone input jack. Power switch.

3250 B (1978-80)

The 3250 B has only one extra feature over 3250: Phono Head Amp.

REAR PANEL : AC outlet ( 2 switched 500 w max- 2 unswitched 500 w max). Fusing. Speaker system 1 and system 2.  Two pre outputs. Aux,tuner,phono2,phono1 inputs. Tape 2 and tape 1 in and out. Chassis ground binding post.

DESIGNED IN USA – MANUFACTURED IN JAPAN

SPECIFICATIONS

THD 0.01%

IMD 0.01%

Hum and Noise 98 db, 90db @ phono

Signal to Noise Ratio 98 dB

Rated Output Level 3 V RMS

Cartridge Type Selection 1 MM, 1 MC  (3250 B only)

General

3250:  First Year 1977 - Last Year 1978

3250 B : First Year 1978  Last Year 1980

Matching Amplifiers 170DC,300DC

Matching Tuners 2100,2110,2120,2130

Dimensions : Width 16 1/2  - Height 5 3/4  - Depth 9 1/2

Weight 14.25

The service manual is available on request.

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