BOULDER 1110 preamplifier 

Specification:

INPUT CONNECTIONs - 5 pairs balanced line level

OUTPUT CONNECTIONS - 2 pairs balanced main, 1 pair balanced auxiliary

VOLUME - 100 dB range in 0.5 dB steps (200 steps) or 1.0 dB steps (100 steps)

MAXIMUM INPUT LEVEL - 6.0 Vrms

MAXIMUM OUTPUT LEVEL - 14.0 Vrms

THD+N, 2V OUTPUT, 20 HZ - 20 KHZ - 0.0015% (-96.5 dB)

OUTPUT LOADED WITH 150 OHMS - Less than 1 dB distortion change, 20 - 10 kHz

MAXIMUM VOLTAGE GAIN - 20 dB

AUXILIARY PATH GAIN, BALANCED OUTPUT - 8.5 dB balanced / 2.5 dB unbalanced

FREQUENCY RESPONSE, 20 HZ - 20 KHZ - +0.00, -0.03 dB

FREQUENCY RESPONSE, -3 DB AT - 0.02 Hz and 250 kHz

CLIP TO NOISE RATIO - 118 dB

CROSSTALK, L TO R OR R TO L - -101 dB or better, 20 Hz to 20 kHz

CROSSTALK, ADJACENT INPUTS - -115 dB or better, 20 Hz to 20 kHz

INPUT IMPEDANCE - 100k ohms, balanced / 50k ohms, unbalanced

OUTPUT IMPEDANCE - 100 ohms, balanced / 50 ohms, unbalanced

CONTROL SYSTEM - IP (Ethernet), IR, Boulder Net

POWER REQUIREMENTS - 100, 120, 220-240 VAC, 50-60 Hz

POWER CONSUMPTION - 75W maximum

WEIGHT - 36 lbs. (16.3 kg),

SHIPPING - 49 lbs. (22.2 kg)