Hagerman Audio TUBA, Руководство пользователя

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TUBA Headphone Amplifier
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Operation
The TUBA connects like any other headphone amplifier. Inputs are line level. Connect
the 15Vdc wall-wart power supply and plug in. Attach RCA interconnects to your
favorite source (linestage, phonostage, computer). Plug in headphones on front panel.
Press VOLUME knob to turn on. Left side indicator should light up immediately. After 30
seconds or so, the high voltage will fire up and turn on the right side indicator.