MTUBE - 8 Professional Tube Pre-amp

Professional dual-valve/tube pre-amp
High co-channel separation
Harmonic feed-back loop control circuitry
Double sided copper-clad PCB
Frequency resp: 15 Hz-55 KHz
Output power: 10 volts
Cool-glow, dual color tube window
Switchable dual input
Front/rear/sub output
Variable phase control (0~180)
Separate Sub volume control
Master volume control
3 position selectable ground audio reference
S/N ratio: >90dB
Variable sub-crossover 40-150Hz