Crown 140MPA Manuel d'instructions télécharger pdf (Page 6)

Commercial Audio Series Mixer-Amplifiers

page 6

Operation Manual

Figure 1.1 Front Panel Controls and Indicators

1 Welcome

1.2 Front Panel Controls and Indicators

A. Input Signal Presence Indicator: Green LED,

one for each input channel, illuminates when input sig-

nal exceeds –40 dBu.

B. Input Volume Controls: Four controls, one per

input. Detented potentiometers with knobs.

C. Master Output Volume Control: Detented poten-

tiometer with knob.

D. Output Signal Presence Indicator: Green LED

illuminates when output signal level exceeds 100 mV (45

dB below full power) from the 4-ohm tap.

E. Clip Indicator: Red LED on output illuminates at

threshold of audible distortion.

F. Power Indicator: Blue LED indicates power on.

G., H. Tone Controls: Bass and Treble non-detented

recessed potentiometer on each input channel. Bass ±10

dB at 100 Hz, Treble ±10 dB at 10 kHz.

I. Power Switch: Pushbutton on-off switch.

1 2 3 4 5 6 7 8 9 10 11 ... 23 24

Pas de commentaire

Crown 140MPA Manuel d'instructions Page 6