Marantz - 2240B - Receiver
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2240B
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Information
SPECIFICATIONS
AUDIO CIRCUITS:
Rated Power Output
.........................................................................................................................................
(Continuous average per channel, all channels driven)
Power Output
........................................................................................................
45 Watts at 4 ohms
40 Watts at 8 ohms 20 Watts at 16 ohms
Power Band
.................................................................................................................
20 Hz to 20 kHz
THD
.......................................................................................................................................................0.25%
High-level hum and noise (ref. 40W at 8 ohms)
......................................................................
—60 dB
Phono hum and noise
............................................................................................1.5
mV equivalent input
Dynamic range (phono input to tape recording output)
........................................................ 90 dB
I.M. Distortion (SMPTE), at rated power
.......................................................................................
0.3%
Distortion decreases as output is lowered
Total Harmonic Distortion, at rated power
............................................................
0.25% Maximum
Distortion decreases as output is lowered
Damping Factor (ref. 8 ohms)
.................................................................ΓΓΓΤ7.
.. . Greater than 30
Frequency Response
Through phono
......................................................................................................................
±2 dB
Input Sensitivity (for 40W at 8 ohms)
High-level
...............................................................................................................................
180 mV
Phono (1,000 Hz)
......................................................................................................................1.8
mV
High-level
....................................................................................................................
100,000 ohms
Phono
..............................................................................................................................
47,000 ohms
Channel Separation 20 Hz to 10,000 Hz
.................................................................
30 dB Minimum
FM SECTIONS:
IH F Usable Sensitivity
......................................................................................................................
2.3 μ/
Selectivity
...........................................................................................................................................
60 dB
Noise Quieting
....................................................................................................................
—55 dB at 5 mV
—60 dB at 10μ/ —65 dB at 50 μ/
Total Harmonic Distortion, 400 Hz, 100%
Mod...................................... (Mono) 0.2%
(Stereo) 0.4%
Frequency Response (ref. 50μ sec. de-emphasis)
....................................±1 dB 50 Hz to 15 kHz
Stereo Separation
..................................................................................riS
.. . Λ1» .... 1,000 Hz 40 dB
Sub-Carrier (38 kHz) Suppression
.................................................................................................
60 dB
GENERAL:
Power Requirements
...................................................................................................
220V ~ 50/60 Hz
(This unit can be converted by a qualified technician to
operate on 110 120/240V~50/60 Hz)
At rated output, both channels operating
.................................................................
170 Watts
Idling Power (Volume Control at zero)
......................................................................
30 Watts
Dimensions
Panel Width
...............................................................................................................
17-3/8 Inches
Panel Height
.................................................................................................................
5-3/8 Inches
Depth
...........................................................................................................................
14-3/8 Inches
Weight
Unit alone
..............................................................................................................................
30.8 lbs
1 Manual
Service manual
Manual type:
Service manual
Pages:
42
Size:
5.1 MB
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
March 8, 2015
MD5:
4729e9d3-8393-ccd7-45d4-fad72ad08cfb
Downloads:
749
Information
Introduction ...
Service
Notes...,
Test Equipment Required for Servicing
AM Alignment Procedure ...,
FM Alignment Procedure ...
Stereo Separation Alignment...,
Muting Circuit Alignment Dolby FM Tape Output Setting ...
Audio Adjustment...
Parts List
...
Specifications
...,
Service Information for European Model TABLE
1. Test Equipment Required for Servicing
This service manual was prepared for use by Authorized
Warrant^rSfations and contains service information for Marantz Model 2240B Stereo-phonic Receiver ervicing 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 desription
is included for parts which can be usually be obtained
through local suppliers.