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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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