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Output Signal Lights

The two lights near the output jacks indicate the

signal level present on the main output jacks. The left

light turns a brighter blue as the left channel output

gets louder. The right light turns a brighter green as

the right channel output gets louder.

Stereo TRS/Balanced Switch

This switch selects the type of output on the main 1/4" jacks.

Stereo

TRS

When the switch is flipped down to

for a TRS cable. The left and right jacks will output the left and right channels of the mix,

respectively. On the TRS cable, the signals are as follows:

Balanced

If a mono cable is used instead of a TRS cable, the circuitry will automatically convert to

unbalanced mode and the amplitude will be compensated so the overall volume remains the

same. If possible, use balanced signals and TRS cables, as they reduce noise substantially.

When the switch is flipped up to

that both the left and right channels of the mix will be output on the left jack. On a TRS cable

in the left jack, the signals are as follows:

If a mono cable is patched into the left jack while the switch is flipped to

right channel will be grounded and muted. This means the right jack will no longer output

properly. Therefore, flip the switch to

Besides this potential grounding of the right signal via a mono cable in the left jack, no

change to the right jack happens when the switch is flipped to either position: the right jack

always outputs a balanced signal.

Headphones Output

Headphones Jack

The headphones jack is a stereo 1/8" jack (3.5mm) designed for outputting to headphones.

Any headphones can be used, though 8 to 32 ohms is recommended. The jack can also be

used as an additional output to connect to an external device that requires a TRS stereo

signal. However, use the main outputs if possible because the frequency response and noise

specifications of the headphones output are not as good as the main output jacks, and this

output does not have the anti-pop circuitry.

Headphones Level Knob

This knob sets the headphones volume. It's independent of the

Tip = + Signal, Ring = – Signal, Shield = Ground.

Tip = Left channel, Ring = Right channel, Shield = Ground.

Type of 1/4" Cable

Balanced (TRS)

Mono

Stereo L/R (TRS)

Balanced

, the jacks will output a balanced signal suitable

Stereo TRS

, the left jack changes functionality in such a way

Balanced

if you are using mono cables.

Switch Setting

Jacks to Use

Both jacks

Balanced

Both jacks

Balanced

Left jack only 

Stereo TRS

(L/R stereo signal)

Page

Note: T he signal lights only indicate

relative dynamics. Pulsing

lights often indicate beats or

throbbing sounds. It's normal

that the blue lights are

brighter than the green lights

at softer volumes.

Stereo TRS

Main Level

knob.

, the