A classic Kiwi combination PMF 1850 Amplifier *SOLD*

SA3 Pre -amplifier
Perreaux SA3
———————————————————————————————-
Specifications:
Perreaux Model: SA3
Date of Manufacture: 1985
Product Type: Stereo Preamplifier

PRE-AMPLIFIER SECTION
Input Sensitivity

High Gain (moving coil)…………200µVrms @ 1kHz
Low Gain (moving magnet)……. 2.8mVrms @ 1kHz
Compact Disc…………………………………….350mVrms
All other inputs ………………………………….110mVrms

Input Impedance

High Gain (moving coil)……………………………47k Ohms
Low Gain (moving magnet)……………………….47k Ohms
Compact Disc…………………………………………..20k Ohms
All other inputs ………………………………………..25k Ohms

Input Overload

High gain…………………………….. 35mVrms @ 1kHz
Low gain …………………………….. 350mVrms @ 1kHz

All other inputs ………………………………………50Vrms
Rated Output……………1.5Vrms into 10kO or higher
Maximum Output ……..25Vrms into 10kO or higher
Main Output, Source Impedance ………………1K Ohms
Tape Output Level …………………………………110mV
Source Impedance………………………………………2k Ohms
Minimum Recommended Load Impedance .10k Ohms

Distortion (THD and IMD)

Phono inputs 0.005% 20Hz-20kHz rising to 0.01%
before overload
All others less than 0.0009% 20Hz-20kHz at rated
output

Noise (inputs loaded)

Phono, high gain (unweighted)-50dB re rated input
Phono, high gain (A weighted).-66dB re rated input
Phono, low gain …………………. -86dB re 10mV input
Phono, low gain (unweighted) .-78dB re rated input
Phono, low gain (A weighted)..-86dB re rated input
All others (unweighted) …….-100dB re rated inputs
All others (A weighted)……..-108dB re rated inputs

Frequency Response

Output stage……………………20Hz-50kHz, ±0.25dB

Channel Separation

All inputs ……………………………. 68dB 20Hz-20kHz

Phase Accuracy ………………………. ±2° 20Hz-20kHz

Dimensions

Width ………………………………………. 483mm (19.0”)
Height …………………………………………. 45mm (1.8”)
Depth……………………………………….. 331mm (13.0”)
Weight………………………………………. 5.5kg (12.0lbs)

Perreaux PMF1850

Dual Chanel Power Amplifier

Power Output (per channel into 8Ω): 180Wrms

Specifications:

Power Output

185W rms per channel continuous both channels driven into 8Ω from 20Hz to 20kHz at no more

than 0.015% Total Harmonic Distortion from 0.25W to rated power.

330W per channel continuous into 4Ω

Total Harmonic Distortion……………………………………………………………………………………….. 0.015%

Intermodulation Distortion………………………………………………………………………………………. 0.015%

Dynamic Headroom (with music)……………………………………………………………………………….> 2.0dB

Amplifier Saturation……………………………………………………………………> 600W per channel into 8Ω

Voltage Swing……………………………………………………………………………………… 155Vp-p per channel

Maximum Current Output……………………………………..8.0A continuous per channel (fuse limited)

Uncompensated Bandwidth …………………………………………………… 0.5dB from 10Hz-3MHz @ 1W

Phase Response……………………………………………………………………………….+2° at 20Hz -2° at 20kHz

Rise Time …………………………………………………………………………………………………….. Typically < 1μs Channel Separation............................................................................................> 70dB 20Hz-20kHz

Hum and Noise…………………………………………………………… 100dB below rated output 20Hz-20kHz

Damping Factor………………………………………………………………………………….> 500 from 10Hz-1kHz

Input Impedance ………………………………………………………………………………………………………… 50kΩ

Driver Stage……………………………………………………………………………………………………………..Class A

Output Devices……………………………………………………………………………………….. Extended Class AB

Dimensions

Width……………………………………………………………………………………………………………483mm (19.0”)

Height…………………………………………………………………………………………………………….145mm (5.8”)

Depth……………………………………………………………………………………………………………410mm (16.3”) Weight…………………………………………………………………………………………………………..17.0kg (27.5lb)