1 | P a g e BLACK BEAUTY 305 WATT VACUUM TUBE AMPLIFIER This manual provides general, ongoing use and safety information of the Black Beauty 305 (V
10 | P a g e If you have any questions concerning the operation or maintenance of this equipment, please contact: CUSTOMER SERVICE B
2 | P a g e register. The amplifier should not be placed in a built-in installation such as a bookcase or cabinet that may impede the flow of air a
3 | P a g e FEEDBACK SWITCH The small switch mounted on the top front of the chassis controls the amount of negative feedback. When the toggle ha
4 | P a g e be replaced with the same type. Do not under any circumstances use "slow-blo" fuses. Both fuses are fast blow fuses. ADJUSTI
5 | P a g e POWER SWITCH Up is on, down is off. There is no power-on indicator except for the glow of the tubes; you will have to remember whethe
6 | P a g e TUBE TESTER The front panel meter may be used to test the tubes. Remove all the large power output tubes; plug the amp into the AC wal
7 | P a g e Black Beauty 305W Mono Block Amplifier Specifications Number of Line Inputs 1 Input impedance 100 k ohms Input Stage 12AX7 current
8 | P a g e Safety Information IMPORTANT SAFETY INFORMATION Read Information — All the safety and operating information should be read before
9 | P a g e Replacement Parts — When replacement parts are required, be sure the service technician has used replacement parts specified by the manu
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