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Stereo Preamplifier M60

Stereo Preamplifier M60; Shure; Chicago, (ID = 991241) Ampl/Mixer
Stereo Preamplifier M60; Shure; Chicago, (ID = 849207) Ampl/Mixer Stereo Preamplifier M60; Shure; Chicago, (ID = 849208) Ampl/Mixer
Stereo Preamplifier M60; Shure; Chicago, (ID = 849209) Ampl/Mixer Stereo Preamplifier M60; Shure; Chicago, (ID = 849210) Ampl/Mixer
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Stereo Preamplifier M60; Shure; Chicago, (ID = 849207) Ampl/Mixer
Shure; Chicago,: Stereo Preamplifier M60 [Ampl/Mixer] ID = 849207 512x344
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For model Stereo Preamplifier M60, Shure; Chicago, Evanston, Niles (IL):
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Country:  United States of America (USA)
Manufacturer / Brand:  Shure; Chicago, Evanston, Niles (IL)
Year: 1960 Category: Audio Amplifier or -mixer
Valves / Tubes 1: 12AX7
Main principle Audio-Amplification
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 115-125 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: Stereo Preamplifier M60 - Shure; Chicago, Evanston,
Material Metal case
Shape Chassis only or for «building in»
Dimensions (WHD) 167 x 86 x 57.2 mm / 6.6 x 3.4 x 2.3 inch
Notes The Shure M60 Stereo Preamplifier is a high quality, flat amplifier designed primarily to allow the phono cartridge to be used at a distance from the control preamplifier. The M60 preamplifier matches the impedance of the phono cartridge and has dual input and dual low impedance outputs so that up to 50 (15.2 m) feet of cable (30MMFD per foot) can be used between the M60 preamplifier and the main control center with no noticeable deviation in the entire audio frequency response. The M60 has 17db gain (per channel) to overcome any losses in signal transmission. The additional gain by use of the preamplifier, also, reduces the hum and noise very often present in certain high fidelity systems.
Gain: 17db per channel–5 millivolts input produces 35 millivolts output.
Frequency Response: ±1db from 30 to 80,000 c.p.s.
Equalization: None
Input Impedances: 47,000 ohms
Output Impedances: 5,000 ohms
Hum and Noise Level: 64db below rated output
Distortion: Less than 0.14% 1000 c.p.s. at rated output
Separation Between Channels: 30db
Channel Balance: ± 1 db.

Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

All listed radios etc. from Shure; Chicago, Evanston, Niles (IL)
Here you find 122 models, 116 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.