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4. Specifications
Input sensitivity
Mic1 & 2:...................................1.5mV / 600ohm, balanced/unbalanced
Phono1 & 2:..............................3.0mV / 50Kohm
Line1 – 6:..................................150mV / 27Kohm
Output level
Master output:...........................2.0V / 10Kohm
Zone output: .............................2.0V / 10Kohm
Record output:..........................150mV / 10Kohm
S/N ratio (at 1 KHz)
Mic:............................................>60dB / 1.5mV input
Phono:.......................................>70dB / 3.0mV input
Line: ..........................................>80dB / 150mV input
Distortion
Mic:............................................0.20%
Phono:.......................................0.05%
Line: ..........................................0.03%
Equalizer
Frequencies (Hz):.....................30, 60, 120, 250, 500, 1K, 2K, 4K, 8K, 16K
Boost/Cut range: ......................+/-12dB
Mic EQ control
High:..........................................10 KHz + 10/-30dB
Mid: ...........................................1KHz + 10/-30dB
Low: ..........................................100Hz +10/-30dB
Frequency response:..................20Hz-20KHz +/-3dB
Talkover attenuation: ..................-16dB
Digital delay time:........................20ms – 250ms
Power source: .............................115VAC, 60Hz / 230VAC, 50Hz
Dimensions (DxWxH): ................240x482x105mm
5. Maintenance
The PROMIX400SF is designed to require as little maintenance as possible.
However, we recommend you regularly clean the mixing panel with air spray, a soft brush and soft cloths.
Do not use chemical sprays; these could damage the slide and rotating controls.
6. Troubleshooting
PROBLEM
Nothing works
No signal from audio source
Hum from phono channel
Hum from another source
The information in this manual is subject to change without prior notice.
PROMIX400SF
- Check the AC connection and make sure it is live.
- Check the power connection to the rest of the system.
- Check the control setting
- Check the connection between the audio source and the mixing panel.
Verify if the turntable's ground wire is fastened securely to the ground screw on the
mixer's back panel
Make sure there are no low level inputs connected to the LINE input jacks
SOLUTION
4
VELLEMAN
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