3
Channel 3/4
Volume control:
Presetting of volume for channel 3 and 4
(5)
Channel 3/4
Pan (balance) control
In stereo mode:
Adjust balance of volume between channel 3 and 4
Channel 3 (left), channel 4 (right)
In mono mix mode:
Adjust volume level ratio between channel 3 and channel 4. Channels 3
and 4 are output to both earphones. In middle position both channel
levels are equal.
Pan (balance) control:
At left stop only channel 3, at right stop only channel 4
(6)
Change-over switch channel 3/4
Stereo / Mono Mix mode
Stereo mode:
The device outputs the signal fed into the left input (channel 3) at the left
earphone and the signal from the right (channel 4) at the right earphone.
Mono Mix mode:
Channel 3 and channel 4 are mixed and output to both earphones.
The ratio between both channels can be adjusted by means of the pan
(balance) control.
(7)
LEDs Limit L/R:
There are signal LEDs for the left and for the right channel (green,
yellow and red for clip). The preset input level should be adjusted so
that the yellow LED lights when there are input signals. When the red
LED lights, the preset level should be reduced.
The LEDs indicate the level before the master volume controls for the
earphones output and the bass shaker.
(8)
Intensity Bass Shaker
Controller to adjust the intensity of the bass shaker signal at the shaker
output.
(9)
Control
Cut-off Frequency
Bass-Shaker
Adjustment of the cut-off frequency of the bass shaker signal (low path
12 dB/Oct.). The adjustment range is 40 Hz – 200 Hz.
(10)
Volume control
earphones output
Control to set the overall headphone volume left and right.
(11)
6.3mm (1/4“) stereo jack:
Connection of the earphone system
(minimum impedance 12 ohms per
side).
Maximum output power 150 mW per channel
Tip = left signal, Ring = right signal, Sleeve = ground
IMPORTANT
: The stereo jack may only be operated with a stereo headphone set with stereo jack
connector. When using a mono jack connector, the right side of the amplifier is
permanently short-circuited and is overloaded.
