SQN 4
ENG Audio Mixer
SQN 4
Features and Specification - SQN-4S Series IV
Mixer Inputs
Four transformerless balanced inputs using XLR-3 type female connectors.
Channels one and two also share an XLR-5 type connector. Each channel is
switchable for:
- Powering:
- a)12V T (Din AB)
- b)12V Phantom
- c) 48V Phantom
- d) Dynamic (150 to 600 Ohms)
- Attenuation:
- 0dB, -12dB or -24dB
- Bass Cut:
- Flat, -4dB or -10dB at 100Hz
- Line Attenuation:
- Adds 50dB attenuation before the mic preamp.
Sensitivity
-78dBu for nominal line level (PPM4, 0VU) with the channel gain at maximum and the master gain at 0dB
Max Level, Mic Inputs
-20dBu (+4dBu with 24dB attenuation)
Noise Figure
-130dBu (A weighted) from a 200 Ohm source.
Frequency Response
20Hz to 20kHz +0, -1dB, referred to 1kHz.
Crosstalk
Isolation, channel to unrelated channel: 75dB at 1kHz, 60dB at 15kHz.
Channel Configuration
[GANG]
[MAT]
The mixer is intended to work in several modes. The mode controls affect channel pairs CH1 & 2 and CH3 & 4. Within the pairs, channels 1 & 3 are called "first channels" and 2 & 4 "second channels".
- Twin MONO [O] in which the channels are unganged and each input channel can be routed or panpotted to either or both of the output channels.
- Stereo [S] ganging in which the first channel fader controls the gain of both channels and the first channel panpot acts as a stereo balance control
- Mid-Side [MS] ganging in which the first channel fader controls the gain of both channels and the second channel fader acts as an image width control.
- Mid-Side Matrix [MAT] matrixing in which each channel pair has a mid-side matrix which will convert an MS input into AB stereo or vice-versa.
- Panning Mode [PAN]. The CH3, CH4 pair has a selectable panning mode in which the output is treated as MS encoded stereo and the channel signal is panned to move across the equivalent AB stereo image.
Kit includes
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