Mark Levinson 431 Speaker System User Manual


 
3 Oak Park, Bedford, MA 01730-1413 USA
Tel: 781-280-0300 | Fax: 781-280-0490
www.marklevinson.com
Specifications are subject to change without notice.
Mark Levinson
®
is aregistered trademark of
Harman International Industries, Incorporated.
Not responsible for typographic errors.
Part # 072-16156
Nº432 & Nº431Dual-Mono Power Amplifiers
Rated power output: Nº432
400W/ch rms power @ 8
800W/ch rms power @ 4
Nº431
200W/ch rms power @ 8
400W/ch rms power @ 4
all above power ratings from 20Hz–20kHz at <0.5% THD
(assuming that the AC mains can deliver adequate current, without its own voltage sagging)
Frequency response: within 0.3dB from 20Hz to 20kHz
Signal-to-noise ratio: better than –65dB (ref. 2.83V)
Voltage gain: 26.8dB
Input impedance: 100k(balanced)
50k(unbalanced)
Input sensitivity 2.83V output: 130 mV
Full output: 2.58V for Nº432, 1.82V for Nº431
Power consumption: Nº432 650W in on, 130 watts in standby, 10W in sleep
Nº431 375W in on, 100 watts in standby, 10W in sleep
Mains voltage: Determined by the needs of the country for which the unit was manufactured;
cannot be reset by dealer or user
Connector complement: (4) custom binding posts
(2) 3-pin XLR balanced input connectors
(2) RCA input connectors
(2) 1/8” mini-jacks for remote turn-on
(1) RS-232 port on RJ-11
(2) Mark Levinson communications ports on RJ-11, RJ-45
(1) IEC-standard AC receptacle
Output impedance: less than 0.02from 20-20,000 Hz
Damping Factor: greater than 400, 20-20,000 Hz @ 8
Overall dimensions: Nº432
width: 17.75" (45.1cm)
height: 7.65" (19.4cm)
depth 19.83" (50.4cm)
Nº431
width: 17.75" (45.1cm)
height: 5.91" (15cm)
depth 19.83" (50.4cm)
Shipping weight: Nº432 125lb (57kg)
Nº431 105lb (48kg)
Net weight: Nº432 115lb (52kg)
Nº431 95lb (43kg)