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Stereophonic Receiver 2325

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Stereophonic Receiver 2325; Marantz Sound United (ID = 2436267) Radio
Marantz Sound United: Stereophonic Receiver 2325 [Radio] ID = 2436267 1400x460
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For model Stereophonic Receiver 2325, Marantz (Sound United LLC); Vista, CA: auction item_372760867191 seller audioclassics2014
Country:  United States of America (USA)
Manufacturer / Brand:  Marantz (Sound United LLC); Vista, CA
Year: 1975–1977 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 250 W (undistorted)
from Model: Stereophonic Receiver 2325 - Marantz Sound United LLC;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 490 x 146 x 386 mm / 19.3 x 5.7 x 15.2 inch

A hi-fi stereo receiver with AM/FM stereo tuner with analogue dial and integrated amplifier with power output of 2 x 125 watts into 4 ohms or 8 ohms, housed in a metal case (WC-43 wooden cabinet optional). With Dolby NR with controls, Gyro-Touch tuning, Signal strength and FM Tuning meters, Bass, Mid, Treble tone controls, Low and Hi filters, Loudness, Muting, Main and Remote Speakers. Jacks for Dubbing and Headphones, AM ferrite rod antenna, terminals for AM and FM antennae, RCA phono sockets for input Phono (MM), Aux, for input/output for 2 Tapes, for FM Quadradial output, adjusters for Dolby FM preset levels and Muting level, terminals for 2 pairs of loudspeakers and 2 AC outlets.

Preamplifier Section 
Input Sensitivity/ImpedancePhono: 1.8mV/47kΩ
Line: 180mV/100kΩ
Output Level and ImpedanceTape Recorder: 1V into 47kΩ
Pre-Out Output/ Impedance1V/900Ω
Phono Frequency Response30Hz-15kHz ±1dB (RIAA)
Noise-Aux -80dB
 Hi Filter
 Low Filter
9kHz, 12dB per octave
50Hz, 12dB per octave
Amplifier Section 
Headphones Output0.7V into 8Ω at rated distortion
Input Sensitivity for MAIN IN1V
Rated Power Output 
(Continuous average power per channel,
all channels driven)
 Power Output125 Watts, 4Ω
125 Watts, 8Ω
75 Watts, 16Ω
 Power Band
Frequency Response5Hz-70kHz ±2dB
10Hz-30kHz ±1dB
Damping Factor40 at 1kHz
FM Section 
Ultimate Quieting50µV for 70dB
Selectivity Alternate channel> 75dB
Capture Ratio1.5dB
Muting Thresholdvariable from 8µV to 40µV
Stereo Separation42dB at 1kHz, 27dB at 15kHz
Total Harmonic Distortion< 0.3% (Stereo), < 0.2% (Mono)
Frequency Response30Hz-15kHz ±1dB
Total Spurious Rejection> 90dB
Image Rejection> 90dB
IF Rejection> 100dB
Quadradial Output300mV, 15kΩ for ±75kHz Deviation
AM Section 
Sensitivity> 40µV
Selectivity Adjacent channel 1kHz> 30dB

Versions/Power requirements
120V AC 50/60Hz
110/120/220/240V AC 50/60Hz switchable internally

AM/FM-Stereo-Receiver mit 2 x 125 Watt Sinus an 8 Ω und Dolby NR.
Leistungsbandbreite 20 - 20.000 Hz (-0.25 dB)
Klirrfaktor 0,15% (THD)
LS-Anschlüsse 4 - 16 Ohm, LS-Umschaltvorrichtung.

Designed in USA, Produced in Japan

Net weight (2.2 lb = 1 kg) 22.5 kg / 49 lb 9 oz (49.559 lb)
Source of data -- Original prospect or advert
Mentioned in -- Original prospect or advert (1975 Marantz AM/FM Stereo Receivers catalogue & 1977 Marantz Gesamptkatalog)
Literature/Schematics (1) -- Original-techn. papers.
Literature/Schematics (2) - - Manufacturers Literature (Service Manual 2325)

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.