Alto HPA6 USATO cod. 3326

Amplifier for 18 headphones
Power supply: 95-120V /210-240V, 60-50Hz
Power consumption: 40 watts
Inputs: MAIN XLR input and 6.3mm jack
AUX IN and DIRECT IN inputs, 6.3mm jack (tip=left ring=right sleeve=ground)
Outputs: XLR and 6.3mm jack
Input levels: MAIN input +21dBu balanced and unbalanced (unity gain)
AUX IN and DIRECT IN inputs +21dBu unbalanced (unity gain)
Output levels: +21dBu balanced and unbalanced
Input impedance: MAIN input 50kOhm balanced, 25kOhm unbalanced
AUX IN and DIRECT IN inputs 25kOhm unbalanced
Output impedance: dependent on input balance
Minimum output impedance: 100Ohm
Frequency response: 10Hz-50kHz +/-3dB
Distortion (THD): typical 0.005% @ +4dBu, 1kHz, gain 1
S/N ratio: >90dB unweighted, 22Hz-22kHz CMRR (Common Mode Rejection Ratio): typical 40dB, >55dB @ 1kHz
Gain: +20dB
Indicators (LEDs): Individual output level indicator with 8 LEDs: -24/-18/-12/-6/0/+6/+12/+18dBu
Input level indicator with 4 LEDs: -24/0/+12dBu CLIP
Dimensions: 483(W) x 44(H) x 217(D) mm.
Weight: 2.9 kg
Max output power: +21dBm