Samson L2400 ユーザーズマニュアル

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14 - GROUP OUT - XLR 1/4" jacks
In a live sound application, you can connect 

additional zone speaker systems using GROUP OUT 

outputs connected to a power amplifier or powered 

speakers. The signal at the GROUP OUT jacks follows 

the GROUP volume fader.TRS phone jack connector 

pin-out - Sleeve: Ground, Tip: Hot (+), Ring: Cold (-)
15 - GROUP INSERT - 1/4-inch Send and Return 

Send and return patch point on TRS (TIP/RING/

SLEEVE) jack for interfacing external effects 

processors on GROUP bus outputs. The signal is sent 

on the tip (the Send) and returns (the Return) on the 

ring of the connector.

The L2400 and L3200 have two pairs of 1/4-inch 

jacks for connecting stereo line level sources like 

those from the outputs of effects processors. The 

LINE inputs have a nominal operating level of -

40dBV through - 10dBV. TRS phone jack connector 

pin-out - Sleeve: Ground, Tip: Hot (+), Ring: Cold (-)
17 - AUX OUT  (1 and 2) - 1/4-inch jacks

The signal present at the AUX 1and Aux 2 outputs 

are sent from the AUX 1 and AUX 2 bus, which is 

fed from the AUX 1 and AUX 2 control knobs on the 

input channels. The AUX 1 and AUX 2  are normally 

used as a  MONITOR MIX bus in a live sound situation 

by connecting the output to a power amp and 

monitor speaker. TR phone jack connector pin-out 

- Sleeve: Ground, Tip: Hot (+).
18 - CD/TAPE Inputs - RCA jacks

The L Series mixers feature a stereo line level input 

on RCA connectors for connecting the output of 

devices such as MP3, CD, computer soundcard, 

cassette player, or any other line level device.

The signal present at this connector is the MAIN bus 

signal before it has passed through the MASTER 

level control and graphic equalizer. The nominal 

output level is -10dBV and the impedance is 100 

Ohms.\
20 - EFX OUT 1 -2  - 1/4-inch jack

The EFX OUT 1 -2 output is used to send a signal 

to an external signal processor such as a delay 

or reverb.  The signal present at the EFX OUT 1 -

2 output is sent from the EFX OUT 1 -2/EFX 1- 2 

bus, which is fed from the EFX OUT 1 -2 /EFX 1- 2 

bus send on the input channels. TRS phone jack 

connector pin-out - Sleeve: Ground, Tip: Hot (+), 

Ring: Cold (-)

21 – USB PORT Connect standard standard USB 

cable here.

Connect standard stereo headphone, 60 to 600 

Ohms, here.

23 - USB BUS POWER – socket
Plug any USB bus powered lamp here.