
User manual SONOSAX SX-R4 Page 51 of 53
9. SPECIFICATIONS
All specifications mentioned hereafter apply to standard models only. SONOSAX SAS SA reserves the right
to modify these characteristics at any time without prior notice.
For measures and/or settings the reference is: 0 dBu = 0.775 V (i.e. +6 dBu = 1.55 V).
9.1 SUMMARY OF CHARACTERISTICS
Audio connections
Mic/Line input
Mode: electronically balanced, transformer-less, with RF Filter
Impedance: 2.2kΩ
Connector: XLR3 female
Max input level: +26 dBu (with PAD and Limiter, compression 6 dB)
Limiter: Threshold at –2 dBFS
Range of GAIN Potentiometer: 40 dB
Noise: < -128 dBu (150Ω, at max gain)
Dynamic: 114 dB
THD: < 0.01% (-10 dBFS, 1kHz)
Bandwidth, gain 40 dB: 10Hz (–1 dB) to 72kHz (-3 dB)
PAD attenuator: 20 dB
LF Cut filter: 135Hz, 6 dB/oct
Input Level for 0dBFS
GAIN Trim
potentiometer
GAIN Switch PAD
+20 dBu minimum LO ON
-20 dBu maximum LO ON
0 dBu minimum LO OFF
-40 dBu maximum LO OFF
-20 dBu minimum HI OFF
-60 dBu maximum HI OFF
Stereo Line input
Mode: unbalanced stereo / two-channel
Impedance: < 6kΩ
Connector: mini XLR3 male
Max input level: +25 dBu
Potentiometer range: 35 dB
Dynamic: 114 dB
THD: < 0.01% (-10 dBFS, 1kHz)
Bandwidth: 10Hz (–1 dB) to 72kHz (-3 dB)
Input Level for 0dBFS: -10 dBu to +25 dBu
Sub-Out
Mode: unbalanced stereo / two-channel
Output impedance: < 50Ω
Load impedance: minimum 50 Ω
Connector: mini XLR3 male
Max output level: +12 dBu
Potentiometer range: 35 dB
Dynamic: 106 dB
THD: < 0.01% (-10 dBFS, 1kHz)
Bandwidth: 10Hz (–1 dB) to 72kHz (-3 dB)
Output Level for –18 dBFS: -29 dBu to +6 dBu
AES input
Mode: 4 channels AES/EBU, transformer-less (AES3)
Connector: Accessory 3M 26 pin
Impedance: 110Ω
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