Geräte Informationen:

Marantz 2275 Receiver
Hersteller:
Marantz
Modell: 2275
Datum:
Kategorie: Audio, Video, TV, Multimedia
Gruppe: Receiver
Beschreibung: STEREOPHONIC RECEIVER
Informationen:
                                    TECHNICAL SPECIFICATIONS
PRE AMPLIFIER SECTION
Phono Dynamic Range
..............................................................................................................98dB
Note: Dynamic Range is the ratio in dB of phono overload
(115mV) to equivalent input noise (1.45μν).
Input Sensitivity and Impedance
.........................................................
Phono: 1.8mV, 47K ohms
High Level: 180mV, 50K ohms
Pre-Out Level
................................................................................................................................
1V
Pre-Out Output Impedance
.............................................................................................
900 ohms
Phono Frequency Response
....................................... ±1dB, 30Hz to 15kHz
(to RIAA curve)
Signal/Noise-Aux
....................................................................................................................
—82dB
Tone Controls
..........................................................................................
Treble: ±12dB at 15kHz
Bass: ±12dB at 50Hz
Filters
..................................................................................................
Hi Filter: 5kHz, 6dB/Octave
- l low Filter: 100Hz, 6dB/Octave
Loudness Compensation · ·
..........................................................................................
100Hz, +8dB
10kHz, +5dB
AMPLIFIER SECTION
Headphones
Output....................................................... 0.5V(referenced
to Rated Power Output)
Input Sensitivity for MAIN IN Front/Rear
........................................ IV for Rated Power
Output
Rated Power Output (Continuous average power per channel,
all channels driven)
Power Output
..................................................................................................
75 Watts, 4 ohms
75 Watts, 8 ohms 40 Watts, 16 ohms
Power Band
...........................................................................................................
20Hz to 20kHz
THD
..................................................................................................................................
0.25%
Frequency Response
................................................................................
±1dB, 20Hz to 20kHz
Damping Factor
...........................................................................................................................
60
FM SECTION
Quieting
Slope.............................................................................................
1.9μ/: 30 dB Quieting
5mV: 35dB Quieting 10μν: 60dB Quieting 50μν: 70dB Quieting
Ultimate Quieting
...................................................................................
1000μν: 70dB Quieting
Selectivity (Alternate Channel)
............................................................................................
80dB
Capture Ratio
...........................................................................................................................
1.5dB
Muting Threshold
...................................................................................
Variable, 7μ! to 70μν
Stereo Separation
...................................................................................................
42dB at 1 kHz
Total Harmonic Distortion
........................................................................................
Mono: 0.25%
Stereo: 0.35%
Frequency Response
...............................................................................
±1.0dB, 30Hz to 15 kHz
Total Spurious
Rejection................................................................................
Greater than 100dB
Image Rejection
..............................................................................................
Greater than 100dB
AM Suppression
.................................................................................................
Greater than 60dB
IF Rejection
..................................................................................................
Greater than 100dB
Antenna Impedance
............................................................................................
.75 or 300 ohms
Quadradial Output
..........................................................................
340mV for 100% Modulation
AM SECTION
AM Sensitivity
.......................................................................................................................
20μ/
Selectivity
..................................................................................................................
±20kHz>45dB
AM Bandwidth
..............................................................................................................—6dB,
7kHz
Image Rejection
...............................................................................................
Greater than 60 dB
GENERAL
Power Requirements
............................................................................................
220V^50/60 Hz
(This unit can be converted by a qualified technician to
operate on 110/120/240V^50/60Hz.)
Unit Dimensions
...............................................................................
Height: 5-3/8” (without feet)
Dimensions — Panel Width
...................................................................................
17-5/16"-439mm
— Panel Height
.....................................................................................
5-3/8"-137mm
— Depth
..............................................................................................
14-3/8"-366mm
Weight — Unit alone
...........................................................................................
37.9 lbs-17.7 Kg
— Packed for Shipment
..........................................................................
45.1 lbs-20.5 Kg

Folgende Anleitungen sind für obiges Gerät verfügbar:

Marantz -- 2275 -- Serviceanleitung
Dateiname: Marantz-6614-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 38
Dateigröße: 3.91 Mbytes (4104828 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum:
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 670fbf514be3cf1ca3f438d740194f5a
ed2kID: e65c62f4663f3d0124bb47b5fd543f11
Downloads: 84 seit 08 März 2015
Informationen:
Introduction
.................................................................................................................................
1
Service Notes
..............................................................................................................................
1
AM Tuner
.................................................................................................................................
1
FM Tuner
.................................................................................................................................
2
Phono and Tone Amplifiers
....................................................................................................
5
Power Amplifier
..........................................................................................................................
5
Power Protection Circuit
........................................................................................................
6
Speaker Protector Relay Circuit
................................................................................................
6
Suggestions for Troubleshooting the Power Amplifier
....................................................... 6
Test Equipment Required for Servicing
...................................................................................
7
AM Alignment Procedures
........................................................................................................
7
FIVLAIignment Procedures
........................................................................................................
8
Stereo Separation Alignment
...................................................................................................
8
Muting Circuit Alignment
■■■·...................................................................................................
8
FM Dolby Level Adjustment
....................................................................................................
9
Audio Adjustments
.................................................................................................................
9
Parts List
...............................................................................................................................
20~32
Technical Specifications
...................■■■■■■.................................................................................
33~34
Servicing Informations for European Model
.................................................................
35~37,39

This service manual was prepared for use by Authorized
Warranty Stations and contains service information for the
Marantz Model 2275 Stereophonic Receiver.
Servicing information and voltage data included in this
manual are intended for use by knowledgeable and experienced
personnel only. All instructions should be read carefully.
No attempt should be made to proceed without a good
understanding of the operation of the receiver.
The parts list furnishes information by which replacement
parts may be ordered from the Marantz Company. A simple
description is included for parts which can usually be
obtained through local suppliers.
Marantz-6614-Manual-Page-1-Picture
Kostenlos herunterladen


Marantz -- 2275 -- Datenblatt
Dateiname: Marantz-6637-Manual-Page-1-Picture
Dokumenttyp: Datenblatt
Seitenanzahl: 7
Dateigröße: 2.09 Mbytes (2195974 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum: 1975
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: db7843a0b720415c81bad5046b1ec316
ed2kID: e4ce8e12021c0fe3e0700edec3cbb66e
Downloads: 112 seit 30 April 2015
Informationen:
Marantz-6637-Manual-Page-1-Picture
Kostenlos herunterladen


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