Alesis MultiMix 12R Reference Manual - Page 20

Line-level devices synthesizers, CD players, video

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Connections Line-level devices (synthesizers, CD players, video) The Multimix 12R features line-level inputs on 1/4" phone jacks which accept standard unbalanced or balanced signals. Unbalanced Line Input Balanced Line Input Signal Ground Tip Sleeve Hot Cold Ground Tip Ring Sleeve Tip Sleeve Tip Ring Sleeve Unbalanced -10 dBV line level sources: Most synthesizers, drum machines, effect devices, cassette decks and CD players operate at this level. Their average signal level is about 1/3 of a volt. They have a 2conductor output jack that is either a 1/4" phone or "RCA phono" type. These may be plugged directly into any of the Multimix 12R's [LINE IN] jacks, with the [TRIM] level set at approximately the 1 o'clock position. Plug stereo sources such as synthesizers, CD players, and drum machine main outputs into the STEREO LINE channels (9/10 and 11/12) if possible. Electric guitars and basses may be plugged directly into the [LINE IN] jacks, if you raise the [TRIM] level. The Multimix 12R has more than enough gain (up to 50 dB when the channel fader and trim are set to maximum) for guitars, although some pickups may sound better if they're plugged directly into a high-impedance preamp designed for guitar use. Plug the output of such preamps into any [LINE IN] jack. A reminder: do not plug a line input and a microphone input into the same channel. The inputs are not designed to handle two sources at the same time. If you crank up the line level input to extremes to compensate for the level loss, you may damage the microphone.

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Connections
Line-level devices (synthesizers, CD players,
video)
The Multimix 12R features line-level inputs on 1/4" phone jacks which
accept standard unbalanced or balanced signals.
Tip
Sleeve
Signal
Ground
Tip
Sleeve
Unbalanced Line Input
Tip
Sleeve
Hot
Ground
Tip
Sleeve
Balanced Line Input
Ring
Ring
Cold
Unbalanced -10 dBV line level sources:
Most synthesizers, drum
machines, effect devices, cassette decks and CD players operate at this
level.
Their average signal level is about 1/3 of a volt.
They have a 2-
conductor output jack that is either a 1/4" phone or "RCA phono" type.
These may be plugged directly into any of the Multimix 12R’s [LINE
IN] jacks, with the [TRIM] level set at approximately the 1 o'clock
position.
Plug stereo sources such as synthesizers, CD players, and
drum machine main outputs into the STEREO LINE channels
(9/10
and 11/12) if possible.
Electric guitars and basses
may be plugged directly into the [LINE IN]
jacks, if you raise the [TRIM] level.
The Multimix 12R has more than
enough gain (up to 50 dB when the channel fader and trim are set to
maximum) for guitars, although some pickups may sound better if
they're plugged directly into a high-impedance preamp designed for
guitar use.
Plug the output of such preamps into any [LINE IN] jack.
A reminder:
do not plug a line input and a microphone input into the
same channel.
The inputs are not designed to handle two sources at
the same time.
If you crank up the line level input to extremes to
compensate for the level loss, you may damage the microphone.