Perreaux SM2 - User Manual

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Model:
SM2
Date of Manufacture:
1982
Product Type:
Stereo Preamplifier
Perreaux

Summary

Perreaux SM2 Stereo Preamplifier

Technical Specifications

Input Sensitivities

Details input sensitivity levels for various input types and rated output.

Input Overload

Specifies the maximum input voltage before distortion for different input types.

Rated Output

Defines the standard output voltage and load impedance for the preamplifier.

Maximum Output

Indicates the highest output voltage achievable into a specified load.

Main Output Source Impedance

States the impedance of the main audio output connection.

Tape Record Output

Provides output level and recommended load for tape recording connections.

Frequency Response

Defines the audio frequency range and its deviation for main output.

Total Harmonic Distortion

Lists THD levels for different input signals, sensitivities, and frequencies.

Intermodulation Distortion

Specifies IM distortion for rated input and output levels.

Noise (inputs loaded)

Quantifies noise levels referenced to input and rated output for various inputs.

R.I.A.A. Accuracy

States the accuracy of the RIAA equalization curve.

Channel Separation

Measures how well left and right audio channels are isolated.

Phase Accuracy

Describes phase linearity across audio frequencies for Aux inputs.

Slewing

Indicates the maximum rate of voltage change in the output signal.

Dimensions

Lists the physical size (width, height, depth) of the unit in mm and inches.

Perreaux SM2 Specifications

Input Sensitivities

Moving Coil (high gain) input sensitivity	200μVrms @ 1kHz 50kΩ/100pF
Moving Magnet (low gain) input sensitivity	2.0mVrms @ 1kHz 50kΩ/100pF
Aux input sensitivity	110mVrms @ 25kΩ

Input Overload

Moving Coil (high gain) input overload	120mVrms @ 1kHz
Moving Magnet (low gain) input overload	1.2Vrms @ 1kHz
Aux input overload	50V maximum input level

Output Specifications

Rated output	1.4Vrms into 10kΩ or higher
Maximum output	27Vrms into 10kΩ or higher
Main output source impedance	470Ω

Distortion

Total harmonic distortion (Moving Coil and Moving Magnet)	0.005%
Total harmonic distortion (Moving Magnet 0.9V input @ 1kHz)	0.010%
Total harmonic distortion (Moving Coil 0.09V input @ 1kHz)	0.010%

Noise

Moving Coil (high gain) noise	-64dB lin, 20Hz-20kHz referenced to rated input (72dBA)
Moving Magnet (low gain) noise	-78dB lin, 20Hz-20kHz referenced to rated input (86dBA)
Aux noise	-104dB lin (108dBA)

Dimensions

Width	482mm (19.0")
Height	50mm (1.8")
Depth	342mm (12.5")