User manual HUGHES & KETTNER RED BOX MK2

[. . . ] HUGHES & KETTNER RED BOX The RED BOX enables you to connect your uitar amplifier directly to a sta e or studio mixing consolewithout the problems of miking. [. . . ] Instructions: VERY IMPORTANT: Turn off power to the amp before making any connections to the RED BOX. Also VERY IMPORTANT: If you connect a tube amp to the SPEAKER IN jack, you must also connect a speaker (or at least a dummy load) to the RED BOX SPEAKER THRU jack. (Just like revving an engine in neutral without a load at maximum RPM's can damage an engine). First, install a 9-volt battery Power from this battery is automatically turned on by the insertion of a standard 1/4" plug into either the LINE IN or SPEAKER IN, and is turned back off simply by removing the plug. [. . . ] With transistor amplifiers, however, for the sake of the best dynamics and signal-to-noise ratio, the preamp signal (LINE OUT) is preferred. Connections: Transistor amp Channd IN Tube amp Technical specifications: Operational voltage Power consumption LINE IN LINE OUT: Gain Adapter (optional) : 9 volts DC : 1 mA : maximum 2. 3 volts, impedance 20 Kohms balanced, impedance 200 ohms : OdB : Ring = +, Tip = -. 9 to 20 volts DC HUGHES & KETTNER VERTRUEB W. -GERMANY L*A~~~CDI IO~CD ETD 0 CCO~ C T wrhlncI HUGHES & KETTNER INC. [. . . ]