Sennheiser HE 1 - Page 54

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Specications
HVE 1 tube headphone amplifier
Max. ouput level 20 dBV
Frequency response 5 – 110,000 Hz (-3 dB)
3 – 180,000 Hz (-10 dB)
THD typ. 0.01 % (1 kHz, 6 dBV)
Inputs
Analog BAL: XLR-3
Analog UNBAL: RCA
Digital USB: USB Type B
Digital OPT: TOSLINK
Digital COAX: RCA
Outputs for HE 1-HP headphones:
9-pin HV socket
for separate HEADPHONE 2 storage box:
9-pin HV socket
Analog BAL: XLR-3
Analog UNBAL: RCA
Weight approx. 21 kg
Dimensions (W x H x D) closed:
approx. 434 x 160 x 350 mm
open:
approx. 434 x 405 x 375 mm
Temperature range operation: +10 °C to +40 °C
storage: -20 °C to +70 °C
Relative air humidity
(non-condensing)
operation: 20 to 85 %,
storage : 10 to 95 %
Power supply
Voltage range 100 – 240 V ~, 50/60 Hz
Power consumption 40 W
Analog input (XLR-3)
Min. input level (full scale) -6 dBV
Max. input level 24 dBV
Input resistance 40 kΩ