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This is one nice pair of vintage Langevin 101-D original tube amplifier in great working condition. Please see pictures for more details.
Using 2 tubes 6SJ7; 4 tubes 6L6G; 2 tubes 5U4G.
Source Impedance: Match 600 Ohms; Bridge 1 to 25,000 Ohms.
Load Impedance: Working Range, 1 to 1000 ohms; Nominal values, 2, 8, 16, 32, 150, 600 Ohms.
Power Output: 50 watts (+47 VU) with less than 3% total RMS Harmonic Distortion from 100 to 8000 Cps.
Maximum Gain: 60 db matching 600 Ohms; 45 db bridging connection.
Output noise: Unweighted, 80 db below full output level (+47VU) (-33DBM).
Frequency Characteristic: Within +-1 db from 30 to 15,000 cycles.
External Power Requirements:105 to 125 Volts AC; 50 - 60 cycles; 215 VA maximum power consumption at 125 volts.
Volume Control: 25,000 Ohms volume control in bridging input only provides continuous adjustment over 40 db range.
Local pick up is welcome.
Thanks for looking!
