Equipment information

Marantz 250 Amplifier
Manufacturer:
Model:
250
Date:
Category:
Group:
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.

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Service Manual
Manual Type:
Service Manual
Pages:
27
Size:
10.03 Mbytes (10515350 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2015 03 08
MD5:
b84a7a3d4ce957637eed5a79e2a09263
Downloads:
988

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 TV Multimedia">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.

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