Equipment information:

Marantz 250 Amplifier
Manufacturer:
Marantz
Model: 250
Date:
Category: Audio, Video, TV, Multimedia
Group: Amplifier
Description: Stereo Power Amplifier
Information:
                                    Power Output (each channel, both channels driven, at rated
distortion, 20 Hz to 20 KHz)
Load RMS
4 ohms 150W
8 ohms 125W
16 ohms 64W
Total Harmonic
Distortion........................................................................at
or below rated power,
20 Hz to 20 KHz. less than 0.1%
Intermodulation
Distortion............................................................................at
or below rated power,
SMPTE, any combination of two frequencies, 20 Hz to 20 KHz:
less than 0.1%
Frequency Response
............................................................................+0
- 1.5 dB 2 Hz to 100 KHz,
±0.1 dB 20 Hz to 20 KHz
Input Sensitivity
.............................................................................................1.5
Volts for rated power
Input Impedance
....................................................................................................................100K
ohms
Damping Factor
........................................................................................Greater
than 100 at 8 ohms
GENERAL
Total Noise
............................................................Better
than 106 dB below rated power into 8 ohms
Power
Requirements....................................................................................
120V AC, 500W, 50/60 Hz
Dimensions
.................................................................................15-3/8"
w. x 6-1/8” h. x 9-1/2" deep
Unit
Weight............................................................................................................................28
pounds
Shipping Weight
.....................................................................................................................34
pounds
220 volt AC Conversion Split primary windings permit easy
conversion from 120 volt to 220 volt operation.

These manuals are available for the above equipment:

Marantz -- 250 -- Service Manual
File name: Marantz-6617-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 27
Size: 10.03 Mbytes (10515350 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date:
Quality: Scanned document, all readable.
Upload date:
MD5: b84a7a3d4ce957637eed5a79e2a09263
ed2kID: 02d6b1b7481a8089a29953c9e56e29d6
Downloads: 103 since 08 March 2015
Information:
This service manual is intended for use by authorized
warranty stations. The manual contains service information
for the Marantz Model 250 Stereo Power Amplifier,
manufactured by the Marantz Company, a subsidiary of the
Superscope Incorporated, Sun Valley, California 91352.
Adjustment, maintenance, and troubleshooting information
listed herein should be attempted only by the experienced
technician, one knowledgeable in solid state amplifier
operation and the use of test equipment. All instructions
should be read carefully and understood fully before
proceeding with any service.
Symptoms (and their remedies) listed in the troubleshooting
section, are those which might occur in some units. As the
Marantz Company becomes aware of other field problems,
supplementary service bulletins will be issued to all
stations. To improve this service, all problems (and their
solutions) not: covered in this service manual should be
brought to the attention of the National Service Manager at
our Sun Valley location.
Marantz-6617-Manual-Page-1-Picture
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