Behringer Q1204USB ユーザーズマニュアル

XENYX 1204USB/X1204USB User Manual

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sleeve
ground/shield

For connection of balanced and unbalanced plugs,
ring and sleeve have to be bridged at the stereo plug.

ring
cold (-ve)

tip
hot (+ve)

Fig. 4.4: ¼" TRS connector

sleeve
ground/shield

ring
right signal

tip
left signal

Fig. 4.5: ¼" TRS connector for headphones

Type 

XLR, electronically balanced,  

discrete input circuit

@ 0 Ω source resistance 

-134 dB / 135.7 dB A-weighted

@ 50 Ω source resistance 

-131 dB / 133.3 dB A-weighted

@ 150 Ω source resistance 

-129 dB / 130.5 dB A-weighted

Frequency response 

<10 Hz - 150 kHz (-1 dB),  

<10 Hz - 200 kHz (-3 dB)

Gain range 

+10 to +60 dB

Max. input level 

+12 dBu @ +10 dB gain

Impedance 

approx. 2.6 kΩ balanced

Signal-to-noise ratio 

110 dB / 112 dB A-weighted  

(0 dBu In @ +22 dB gain)

Distortion (THD + N) 

0.005% / 0.004% A-weighted

Type 

¼" TRS connector  

electronically balanced

Impedance 

approx. 20 kΩ balanced  

10 kΩ unbalanced

Gain range 

-10 to +40 dB

Max. input level 

30 dBu 

Main fader closed 

90 dB

Channel muted 

89.5 dB

Channel fader closed 

89 dB

<10 Hz - 90 kHz 

+0 dB / -1 dB

<10 Hz - 160 kHz 

+0 dB / -3 dB

Type 

¼"TRS connector,  

electronically balanced

Impedance 

approx. 20 kΩ 

Max. input level 

+22 dBu