Mountable in a 19" Rack Unit
6 individual headphone channels
Input gain control, and individual output gain control
Up to 3 headphone outputs per channel for a total of 18 headphones
"Direct In" and "Headphone Output" on the front panel for easy operation when mounted in a rack
Input and Output Level LED Meter
Balanced Control to mix up the Main In and the AUX In signal
Main outputs for connecting with additional unit headphone amplifiers
High-end quality even at high volume levels
Exceptionally rugged construction ensures long life and durability
Universal and professional headphone amplification system for studio and stage application
Recording, broadcasting, live performance
MAIN INPUT • Connector: XLR and 1/4" jack • Type: HF filter, servo-balanced input • Impedance: 50 kOhms balanced, 25 kOhms unbalanced • Max. Input Level: +21 dBu balanced and unbalanced • CMRR: typ. 40 dB, >55 dB@1KHz AUX IN & DIRECT IN INPUT • Connectors: 1/4" TRS (tip=left, ring=right, sleeve=ground) • Type: Unbalanced • Impedance: 25 kOhms unbalanced • Max. Input Level: +21 dBu unbalanced • CMRR: typ, 40 dB: >55 dB@1 KHz OUTPUT • Connectors: XLR and 1/4" jack • Type: Balanced and Unbalanced • Impedance: Depending on the input impedance • Max. Output Level: +21 dBu Balanced and Unbalanced SYSTEM SPECIFICATIONS • Frequency Response: 10 Hz to 50 Khz, +/-3 dB • Noise: >90dB, Unweighted, 22 Hz to 22 KHz (>95dB@+4 dBu) • THD: 0.005% typ.@+4 dBu, 1KHz, Gain 1 POWER AMPLIFIER • Max. Output Power: +21 dBm • Min. Output Impedance: 8 Ohms • Max. Gain: +20dB FUNCTION CONTROLS • Input Level: Variable • Balanced Per Channel: Mix between aux and main signal • Output Level Per Channel: Variable
HA-618 Headphone Amplifier2020-05-28 15:14:51Download