Boulder 810 Préamplificateur

Balanced Line Inputs: 4 pairs via 3-pin XLR

Main Balanced Outputs: 2 pairs balanced Main via 3-pin XLR, 1 pair Record outputs via 3-pin XLR

Maximum Input Level: 6.0 Vrms

Maximum Output Level: 14.0 Vrms

Volume Control: 100 dB range in 0.5 dB steps

THD+N, 2V Output, 20 Hz to 20 kHz: Less than 0.0045%

Output Loaded with 150Ω: Less than 1 dB distortion change, 20 Hz – 10 kHz

Maximum Voltage Gain, Line Input: 20 dB

Record Path Gain: 8.5 dB, balanced output 2.5 dB, unbalanced output

Frequency Response, 20 Hz to 20 kHz: +0.00, -0.03 dB

Frequency Response, -3 dB at: 0.07 Hz, 250 kHz

Clip-to-Noise Ratio: 118 dB

Crosstalk, L to R or R to L: -113 dB or better, 20 Hz to 20 kHz

Crosstalk, Adjacent Inputs: -113 or better, 20 Hz to 20 kHz

Input Impedance: 100 kΩ balanced, 50 kΩ unbalanced

Output Impedance: 100Ω balanced, 50Ω unbalanced

Weight: Amplifier: 18 lbs. (8.2 kg) Shipping: 26 lbs. (11.8 kg)

Power Requirements: 100, 120, 220-240 VAC, 50-60 Hz,
3W Standby, 22W Maximum