Page 1
Perreaux
Model:
SM2
Date of Manufacture:
Product Type:
Stereo Preamplifier
1982
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Specifications:
Input Sensitivities (for rated output of 1.5V
Moving Coil (high gain)................................................................... 200μV
Moving Magnet (low gain)............................................................... 2.0mV
All others (Aux. etc.)............................................................................................. 110mV
rms
)
@ 1kHz 50kΩ/100pF
rms
@ 1kHz 50kΩ/100pF
rms
@ 25kΩ
rms
Input Overload
Moving Coil (high gain)........................................................................................120mV
Moving Magnet (low gain)........................................................................................1.2V
@ 1kHz
rms
@ 1kHz
rms
All others (Aux. etc.).................................................................................. 50V maximum input level
Rated Output ...........................................................................................1.4V
Maximum Output.....................................................................................27V
into 10kΩ or higher
rms
into 10kΩ or higher
rms
Main Output Source Impedance............................................................................................... 470Ω
Tape Record Output (source impedance 2kΩ)
For rated input sensitivity.................................................................................................... 110mV
rms
Minimum recommended load .................................................................................................... 10kΩ
Frequency Response
All others (Aux. etc.) to main out .................................................................20Hz to 50kHz ±0.25dB
Total Harmonic Distortion
Moving Coil and Moving Magnet (rated input sensitivity) ....................................................0.005%
Moving Magnet (0.9V input @ 1kHz).....................................................................................0.010%
Moving Coil (0.09V input @ 1kHz) ........................................................................................0.010%
All others (Aux. etc. at rated input sensitivity)...................................................................< 0.0009%
All others (Aux. etc. at 1kHz into 10kΩ or higher) ............................................................< 0.0009%
100kHz at rated output into 10kΩ ........................................................................................< 0.008%
Intermodulation Distortion
All inputs up to rated input and output.................................................................................< 0.005%
Noise (inputs loaded)
Moving Coil (high gain).........................-64dB lin, 20Hz-20kHz referenced to rated input (72dBA)
Moving Magnet (low gain).....................-78dB lin, 20Hz-20kHz referenced to rated input (86dBA)
All others (Aux. etc.)..........................................................................................-104dB lin (108dBA)
R.I.A.A. Accuracy
Reference I.E.C. Publication No. 98 amendment No.-4 1976 .............................................. ±0.25dB
Channel Separation
All inputs 20Hz-20kHz............................................................................................................... 70dB
Phase Accuracy
Aux. etc. ..................................................................................................................±1° 20Hz-20kHz
Slewing...................................................................................................................................... 70V/μs
Dimensions
Width.......................................................................................................................... 482mm (19.0”)
Height ............................................................................................................................. 50mm (1.8”)
Depth .......................................................................................................................... 342mm (12.5”)
;
Schematic diagram
;
Product manual
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