Mark Levinson No.431L Power Amplifier
Used Prices US$ 3300
About the product
The product is the main body, power cable, and instruction manual.
The operation has been confirmed.
When operating the standby switch (both ON / OFF)
There is switch noise, but
It seems to be within the specifications.
The exterior has some usability, but There are no noticeable scratches.
Description: Solid-state dual-mono power amplifier. Speaker connections: four Madrigal-designed speaker binding posts. Input connections: two 3-pin XLRs, balanced; two RCAs, unbalanced. Other connectors; two 1/8″ mini-jacks for remote turn-on; one RS-232 port on RJ-11; two Mark Levinson communication ports on RJ-45. Output power: 200Wpc into 8 ohms (23dBW), 400Wpc into 4 ohms (23dBW), 20Hz–20kHz, <0.5% THD (FTC); not rated into 2 ohms or for bridged operation. Frequency response: 20Hz–20kHz, ±0.5dB. Input sensitivity: 130mV for 2.83V output, 1.82V input for full output. Output impedance: <0.02 ohm, 20Hz–20kHz. Signal/noise ratio (main outputs): >65dB (ref. 2.83V). Damping factor: >400, 20Hz–20kHz into 8 ohms. Power consumption: 175W (On), 100W (Standby), 15W (Sleep). Current draw at rated output at 120V: 8.5A (350W into 8 ohms), 14.6A (700W into 4 ohms).
Dimensions: 17.75″ (451mm) W by 7.65″ (194mm) H by 20″ (513mm) D. Weight: 95 lbs (43kg) net, 105 lbs (47.7kg) shipping.