Owner`s manual

SPECIFICATIONS

Input Impedance RCA: 475 Kohm

Input Impedance XLR: 15 Kohm (serial #MSN524 and below are

switchable between 15 Kohm or 600 ohm)

Input Sensitivity RCA: 750mV input = 110W output

Input Sensitivity XLR: 1.5 V input = 110W output

Gain RCA: factory set for 31 dB; Range = 29.5 to 34.5dB

Gain XLR: factory set for 25 dB

Negative Feedback: factory set for 9dB of global NFB

Maximum Output Power into 5 ohms: 110 Watts (1.5% THD @ 1kHz)

Maximum Output Power into 8 ohms: 100 Watts (1.5% THD @ 1kHz)

Signal to Noise Ratio Ref. 1W: Typically 90 dB A-WGT 20-20K

Noise Floor: Typically 105µV = -77dBu A-WGT

Typically 388µV = -66dBu unweighted

Dynamic Range: 98dB

THD+noise @ 1W less than 0.1%

Frequency Response at 110W full power: 15 Hz to 40 kHz FLAT

Frequency Response at 5W into 5 ohms: 10 Hz to 65 kHz FLAT, -3dB @ 100KHz

Recommended Speaker Load: Optimized for 5 ohms

Actual Output Impedance: 1.5 ohms

Power Consumption (idle): 170 Watts (1.4A @120VAC)

Power Consumption (at Full Power 110W): 336 Watts (2.8A @120VAC)

Vacuum Tubes: 1 x 12AT7WA Ei, 1 x 7044 GE JAN NOS, 4 x EL34EH Output

B+ Voltage: 570V DC

Output Tube Quiescent Standing Current: 30mA

Set Bias for 300mVDC measured across 10 ohm cathode resistor

Fuse types for 120VAC operation: MDL or MDA 4 AMP / 250 Volt SLO-BLO

240VAC operation: MDL or MDA 2 AMP/ 250 Volt SLO-BLO

B+ FUSE: MDA 1/2 AMP, Ceramic 250 Volt SLO-BLO

Dimensions: 15" deep x 13" wide x 8.75" tall

Shipping weight each: 45 pounds

Specifications subject to change because they just might.