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Vacuum Tube Logic TL-7.5 Reference line preamplifier:
Sidebar 1: Specifications Description: Tubed, two-chassis, remote-control line preamplifier with MOSFET output stage. Tube complement: two 12AX7. Inputs: 4 pairs balanced/XLR or RCA single-ended, 4 pairs single-ended/RCA. Outputs: 2 pairs balanced out, 2 pairs single-ended RCA out, 2 pairs single-ended RCA buffered Tape Out. Remote-control functions: Power, Source Select, Volume up/down, Mute, Fade, Balance, Phase Reverse. Voltage Gain: 20dB to RCA outputs, 26dB to XLR outputs. Output impedance: 25 ohms (150 ohms maximum at 10Hz). Input impedance: 50k ohms (20k ohms minimum). Frequency response: 1Hz-100kHz, +0/-1dB (20Hz-100kHz, +0/-1dB into 600 ohms with 900pF, 20' interconnect cable). Maximum output voltage: 45V, 10Hz-200kHz into 600 ohms at 1% THD. Channel separation: >100dB at 1kHz (>80dB at 20kHz). Power consumption: 150W.
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