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Stereophonic Receiver 2252B

Stereophonic Receiver 2252B; Marantz Sound United (ID = 1522867) Radio Stereophonic Receiver 2252B; Marantz Sound United (ID = 1522868) Radio
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Stereophonic Receiver 2252B; Marantz Sound United (ID = 1749469) Radio
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Stereophonic Receiver 2252B; Marantz Sound United (ID = 1522867) Radio
Marantz Sound United: Stereophonic Receiver 2252B [Radio] ID = 1522867 933x440
Select picture or schematic to display from thumbnails on the right and click for download.
For model Stereophonic Receiver 2252B, Marantz (Sound United LLC); Vista, CA:
By Courtesy of EBAY User: jlombardo120
 
Country:  United States of America (USA)
Manufacturer / Brand:  Marantz (Sound United LLC); Vista, CA
Year: 1978 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Superheterodyne (common)
Wave bands Broadcast (BC) and FM or UHF.
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 110; 120; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 104 W (130 W max.)
from Radiomuseum.org Model: Stereophonic Receiver 2252B - Marantz Sound United LLC;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 440 x 137 x 365 mm / 17.3 x 5.4 x 14.4 inch
Notes

A hi-fi stereo receiver with an AM/FM tuner with an analogue dial and an integrated amplifier with power output of 2 x 52 watts into 8 ohms. With Signal Strength and FM Tuning Meters, Gyro-Touch Tuning, Tape Copy 1⇾2, 2⇾1, Tape Monitor 1, 2, FM de-emphasis, FM Muting, Mono, Hi Filter, Loudness, Speakers 1, 2, Selector switch (AM, FM, Phono 1, Phono 2, Aux), Bass, Mid and Treble Tone Controls,  jacks for headphones and Dubbing. On the back, a Dolby FM decoder receptacle, AM rod antenna, terminals for AM and FM antennae, phono inputs for Phono 1, 2, Aux, for input/output Tape 1,2, FM quadradial output, Main In/Pre Out, terminals for 2 pairs loudspeakers, 2 AC outlets.      

Specification 
Amplifier Section 
Rated Power Output 
 Minimum Continuous Average Power per
 channel Both Channels Driven 20Hz-20kHz
52W into 8Ω (THD 0.05%)
65W into 4Ω (THD 0.1%)
IM Distortion0.05% (8Ω), 0.1% (4Ω)
Damping Factor45
Sensitivity/Impedance (at MAIN IN)1.5V/33kΩ
Preamplifier Section 
Phono 
 Input Sensitivity/Impedance
 Frequency Response, RIAA 20Hz-20kHz
1.8mV/47kΩ
±0.75dB
 S/N Ratio
 (at rated output and 7.75 mV input)
76dB
Line Level (Aux and Tape) 
 Input Sensitivity/Impedance180mV/20kΩ
 Frequency Response  (incl. power amp)10Hz-60kHz ±1.25dB
 S/N Ratio90dB
Output Voltage/Impedance 
 Tape Out775mV/600Ω
 Pre-Out1.5V/900Ω
FM Tuner Section 
Sensitivity 
 IHF Usable1.9µV
 IHF 50dB QuietingMono 3.2µV
Stereo 40µV
Distortion at 65dBf (1000µV) 1000HzMono 0.15%, Stereo 0.3%
Frequency Response 30Hz-15kHzMono +0.2dB,-1.5dB, Stereo ±1.5dB
Capture Ratio1.0dB
Alt. Channel Selectivity70dB
Image Response Rejection70dB
IF Rejection (Balanced)95dB
Stereo Separation 1000Hz40dB
AM Tuner Section 
IHF Usable Sensitivity15µV
Distortion (THD), 30% Modulation0.5%
S/N Ratio50dB
Alt. Channel Selectivity46dB
Image Rejection45dB
IF Rejection40dB

Versions/power requirements
US & Canada (U, C) / 120V AC 60Hz
Europe (N) / 110, 120, 220, 240V AC 50/60Hz with voltage selector

Power Consumption: 220 Watts

Designed in U.S.A., Produced in Japan

Net weight (2.2 lb = 1 kg) 14.2 kg / 31 lb 4.4 oz (31.278 lb)
Mentioned in -- Original prospect or advert (1978 Marantz 25th Anniversay and 1980 Marantz hi-fi catalogues)
Literature/Schematics (1) - - Manufacturers Literature (Handbook of instructions Marantz 2252B)
Literature/Schematics (2) - - Manufacturers Literature (Service Manual 2252B)

Model page created by Franz Scharner. See "Data change" for further contributors.



All listed radios etc. from Marantz (Sound United LLC); Vista, CA
Here you find 539 models, 529 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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