Fostex MN-04, Service Manual

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4
MN-12/04
1. SPECIFICATIONS
MN-12
DEFINITION (
Specification Unit : 0 dBV = 1 Vrms)
Normal Fader Position
Master fader At 7~8 position
Condition AUX RTN : -20 dBV / 1 kHz, AUX RTN VR : Max
Adjust Master fader for -10 dBV at STEREO OUT.
Input fader At 7~8 position
Condition INPUT: -10 dBV / 1 kHz, PAN : L(R), TRIM : LINE, EQ GAIN : 0
Adjust Input fader for -10 dBV at STEREO OUT.
INPUT SECTION
INPUT 1
~
4
Input level -60dBV (MIC) ~ -10dBV (LINE)
Impedance 20 k
Ω
or more
EQ HI ± 13dB ± 3dB ( -10dBV / 10 kHz )
EQ LOW ± 13dB ± 3dB ( -10dBV / 100 Hz )
INPUT 5-6, 7-8, 9-10, 11-12
Input level -10dBV
Impedance 8 k
Ω
or more
AUX RTN
Input level -10dBV
Impedance 8 k
Ω
or more
OUTPUT SECTION
STEREO OUT
Level -10dBV
Load Impedance 1k
Ω
Frequency Response 20 ~ 20kHz ± 1.5dB ( INPUT 1~4 : -60dBV)
20 ~ 20kHz ±1dB ( INPUT 1~8 : -10dBV)
S/N 80 dB or more ( DIN AUDIO,INPUT 1~4 : -10dBV)
81 dB or more ( IHF-A, INPUT 1~4 : -10dBV)
63 dB or more ( DIN AUDIO, INPUT 1~8 : -60dBV)
64 dB or more ( IHF-A, INPUT 1~8 : -60dBV)
Distortion 0.01 % or less ( INPUT 1~8 : 1kHz / 0dBV , OUTPUT : 0dBV )
0.05 % or less ( INPUT 1~4 : 1kHz/-50dBV , OUTPUT : 0dBV )
Crosstalk 60dB or more at 1kHz
Click Noise (Power on / off) -20 dBV
p-p
or less (OUTPUT VR : MIN)
Peak LED Indication 0 dBV ± 3dB
AUX SEND
Level -10dBV
Load Impedance 1k
Ω
Frequency Response 20 ~ 20kHz +1dB ( INPUT : -10dBV)
S/N 86 dB or more ( DIN AUDIO,INPUT : -10dBV)
88 dB or more ( IHF-A, INPUT : -10dBV)
Distortion 0.01 % or less ( INPUT : 1kHz / 0dBV , OUTPUT : 0dBV )
Crosstalk 60dB or more at 1kHz
Click Noise (Power on / off) -20 dBV
p-p
or less (OUTPUT VR : MIN)
PHONES
Connector Stereo phone
Level 40mW or more (Normal fader position)
Load Impedance 32
Ω
Frequency Response 20 ~ 20 kHz ± 1.5dB ( 32
Ω
load, INPUT : -10dBV, OUTPUT : 40mW )
20 ~ 20 kHz ± 3dB ( 32
Ω
load, INPUT : -10dBV, OUTPUT : 40mW )
Distortion 0.2 % or less ( 32
Ω
load, 1kHz, OUTPUT : 40mW )
GENERAL
Dimensions 356 (W)
×
198 (D)
×
45 (H) mm
Weight 1.3 kg
Power supply
USA/CND 120VAC, 60Hz
EUR/UK 230VAC, 50/60Hz
JPN 100VAC, 50/60Hz