Mark Levinson No. 53 - Manual (Page 6)

Input and output connectors One balanced XLR input
One unbalanced RCA input
Two pairs of “Hurricane” loudspeaker output binding
posts with banana-plug sockets (banana-plug socket
not available for some models)
Control connectors Two Link2 ports (one input and one output)
One Ethernet port
One 3.5mm mono (tip/sleeve) mini plug trigger
input, 3-12Vdc
One 3.5mm mono (tip/sleeve) mini plug trigger
output, 3-12Vdc
3-Pin IEC standard power connector
Rated output power 500W @ 8 Ω , 1000W @ 4 Ω
Power ratings are measured as RMS power from
20Hz to 20kHz with no more than 0.1% THD
Frequency response Within +0.1dB from 10Hz to 20kHz
Signal-to-noise ratio –85dB, reference level: 2.83 Vrms (1W @ 8 Ω )
Input impedance 100 k Ω (balanced); 50 k Ω (unbalanced)
Voltage gain 26.8dB
Input sensitivity 2.89V for maximum rated output power
Power requirements 100V~, 120V~, 230V~, 640W, factory-set
for destination country
Dimensions Height: 20-3/8" (530mm)
Width: 8-7/16" (214mm)
Depth: 20-3/8" (518mm)
Weight Net weight: 135 lb (61.3kg)
Shipping weight: 165 lb (75kg)
Operating environment Operating temperature: 0º to 35ºC (32º to 95ºF)
Storage temperature: –30º to 75ºC (–22º to 167ºF)
Relative humidity: 95% maximum without condensation
N
o
53 Reference Power Amplifier
This side view shows the
four different compartments
of the amplifier: the power
supply section at the bottom,
the middle section with the
four amplifiers, the top section
with the control circuitry
(modulator), and a separate
enclosed box (top left) that
houses the analog input board.
HSG1012ML_53Lit 9/16/08 9:19 AM Page 6