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アンプ Duncan BASS 400 X 2のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Duncan BASS 400 X 2 13 ページ。

11. VARIABLE CROSSOVER: This is a single order crossover that is continuously vari-

able from 100 hz to 1 khz. The optimum crossover point will vary according to the

speakers you use. Experiment to see where you like it best.

12. LOW MASTER VOLUME: Use this control to set the volume of the low frequency

channel in the Bi-Amp mode. In the Dual Mono mode, this control affects the speaker

plugged into the lower speaker jack. In the bridge mode, this control operates as a

master volume.

13. HIGH MASTER VOLUME: Use this control to set the volume of the high frequency

channel in the Bi-Amp mode. In the Dual Mono mode this control affects the speaker

plugged into the upper speaker jack. In the bridge mode, this control is non-functional.

REAR PANEL CONTROLS

1. ON/OFF/ON SWITCH: This switch is designed to turn your amp on and to allow you

to reverse the A.C. polarity. If you're picking up 60 hz. hum from the wall current, put the

"ON" switch in the other "ON" position. If you're using other equipment, like a P.A., and

you get a shock when touching the microphone, place the "ON" switch in the other "ON"

position to eliminate the shock. The middle position is "OFF".