Marantz 2270 Receiver
Manufacturer:
Model:
2270
Date:
1976
Category:
Group:
Description:
Stereophonic Receiver

Information

AUDIO CIRCUITS: Rated continuous (RMS) power output per channel, both channels operating simultaneously, 20Hz to 20,000Hz........................................70 Watts at 4 and 8 ohms 40 Watts at 16 ohms Comparable Total Music Power (I HF) .................................................................................210Wattsat 8 ohms High-level hum and noise (ref. 40W at 8 ohms)...................................................................... —80 dB Phono hum and noise ..........................................................................................................1.5 aV equivalent input Dynamic range (phono input to tape recording output) ............................................................................. 96dB I. M. Distortion (SMPTE), at rated power............................................................................................................0.3% Distortion decreases as output is lowered Total Harmonic Distortion, at rated Power ...................................................................................0.3% Maximum Distortion decreases as output is lowered Power Bandwidth (IHF) for 0.3% THD..........................................................................................7Hz to 50,000Hz Damping Factor (ref. 8 ohms) ...........................................................................................................Greater than 45 Frequency Response Through phono.......................................................................................................................................... .±1 dB Input Sensitivity (for 40W at 8 ohms) High-level................................................................................................................................ .180 mV Phono (1,000 Hz) ......................................................................................................................................1.8 mV Input Impedance High-level.........................................................................................................................................100,000 ohms Phono .............................................................................................................................................. 47,000 ohms Channel Separation 20 Hz to 20,000 Hz .........................................................................................35 dB Minimum FM SECTIONS: IHF Usable Sensitivity......................................................................................................................................2.3 ß V Selectivity................................................................................................................................................... 80 dB Noise Quieting......................................................................................................................................—55 dB at 5 AV -60 dB at 10 ßJ -65 dB at 50μ V Total Harmonic Distortion, 400 Hz, 100% Mod........................................................(Mono) 0.2% (Stereo) 0.4% Frequency Response (ref. 75M sec. de-emphasis) ...........................................................± 1 dB 50 Hz to 15 KHz Stereo Separation ................................................................................................................................. 1,000 Hz 40 dB Sub-Carrier (38 KHz) Suppression ...................................................................................................................60dB GENERAL: Power Requirements......................................................................................................................................120VAC 50 to 60 Hz At rated output, both channels operating..........................................................................................500 Watts Idling Power (Volume Control at zero)............................................................................................... . 38Watts Dimensions Panel Width .................................................................................................................................172I/64 Inches Panel Height................................................................................................................................. 5 25/64 Inches Depth ................................................................................................................................................. 14 Inches Weight Unit alone......................................................................................................................................................38.5lbs Packed for shipment....................................................................................................................................49.5lbs

show more

User Manual
Manual type:
User Manual
Pages:
24
Size:
13.55 Mbytes (14203937 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
08 March 2015
MD5:
07d347d76cc74247f0703a5017a9b467
Downloads:
2248

Information

For optimum performance and enjoyment from your Model 2270 Stereo Receiver, please study these instructions carefully. Installation and operation are not complicated, but its flexibility and features deserve your becoming familiar with its controls and connections. This manual is divided into two parts. The first covers installation and operation in simple, nontechnical language. The second describes the 2270 in more detail with technical specifications, functional explanations, and special application discussions. For quick identification of the controls and connections, references to them are printed in boldface type, exactly as they appear on the front and rear panels of your Receiver.

show more

Service Manual
Manual type:
Service Manual
Pages:
32
Size:
20.99 Mbytes (22007182 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
12 September 2008
MD5:
0e357f384a2b3218b7a911c2065bcad2
Downloads:
3424

Information

Service Manual including Service Bulletins.

show more

Service Manual
Manual type:
Service Manual
Pages:
44
Size:
6.77 Mbytes (7100818 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
08 March 2015
MD5:
b08567f3e64c21da51f67c25fdfe7204
Downloads:
865

Information

Introduction ... 1 Service Notes ... 1 AM Tuner ... 1 FM Tuner ... 2 Phono and Tone Amplifiers ... 4 Power Amplifier ... 4 Power Protection Circuit ... ... 5 Speaker Protection Relay Circuit ... ... 5 Suggestion for Trouble Shooting of Power Amplifier ... 5 Voltage Conversion ... ... 6 Test Equipment Required for Servicing ... 8 AM Alignment Procedure ... .. ... 9 FM Alignment Procedure ... ... 9 Stereo Separation Alignment ... 9 Muting Circuit Alignment ... 10 Audio Adjustment ... ... . 10 Parts List ... 23 Specifications ... 33 INTRODUCTION This service manual was prepared for use by Authorized Warranty Stations and contains service information for Marantz Model 2270 Stereophonic Receiver. Servicing information and voltage data included in this manual are intended for use by the knowledgeable and experienced technician only. All instruction should be read carefully. No attempt should be made to proceed without a good understanding of the operation in the Receiver. The parts list furnish information by which replacement part may be ordered from the Marantz Company. A simple description is included for parts which can be usually be obtained through local suppliers.

show more

Comments

No comments yet. Be the first!

Add Comment

* Required information
1000
Captcha Image