Fostex FM-3 DJ Equipment User Manual


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21
PHONES
• Connectors :
1/4”
stereo phone jack and ø3.5mm stereo
mini-phone jack
•Applicableloadimpedance:8Ωormore
•Maximumoutputpower:50mW(at32Ωload,THD:0.1%or
less
）
<Others>
DC IN
• Connector: XLR-4-32 type (male)
• Input voltage: DC10V to DC 24V
DC OUT
• Connector: Hirose 4 pin (female)
* Applicable plug: Hirose HR10A-7P-4P
• Output voltage: DC7.2V - 24V (Max. 0.5A)
<Analog Outputs>
MAIN OUT (L, R)
• Connector: XLR-3-32 type (transformer balanced)
•Applicableloadimpedance:600Ωormore
• Nominal output level: +4, 0, -20 or -60 dBu (switchable)
• Maximum output level: +24, +20, 0 or -40 dBu (switchable)
SUB OUT
• Connector: XLR-5-52 type (electronically balanced)
•Applicableloadimpedance:10kΩormore
• Nominal output level: +4, 0, -20 or -60 dBu (switchable)
• Maximum output level: +24, +20, 0 or -40 dBu (switchable)
TAPE OUT
• Connector:
ø
3.5mm stereo mini-phone jack (unbalanced)
•Applicableloadimpedance:10kΩormore
• Nominal output level: -10 dBV
• Maximum output level: +10 dBV
AUX OUT
• Connector: ø3.5mm stereo mini-phone jack (unbalanced)
•Applicableloadimpedance:10kΩormore
• Nominal output level: -10 dBV or -60 dBV (switchable)
• Maximum output level: +10 dBV or -40 dBV (switchable)
<Analog Inputs>
INPUT 1 through INPUT 3
• Connector: XLR-3-31 type (transformer balanced)
<LINE input>
•Inputimpedance:10kΩormore
• Nominal input level: -20 dBu to +4 dBu
• Maximum input level: +29 dBu
<MIC input>
•Inputimpedance:2kΩormore
• Nominal input level: -70 dBu to -30 dBu
• Maximum input level: -5 dBu
AUX IN
• Connector: XLR-5-51 type (electronically balanced)
•Inputimpedance:20kΩormore
• Nominal input level: +4 dBu
• Maximum input level: +29 dBu
RTN
• Connector:
ø
3.5mm stereo mini-phone jack (unbalanced)
•Inputimpedance:10kΩormore
• Nominal input level: -10 dBV
• Maximum input level: +15 dBV
Specications
Inputs/Outputs
* 0dBu = 0.775Vrms
Frequency response
• LINE IN - MAIN OUT:
20Hz to 20kHz +/- 1dB (reference level)
• MIC IN - MAIN OUT:
40Hz to 20kHz +/- 1dB (reference level)
•HEADPHONES(32Ωload,25mWoutputpower):
20Hz to 20kHz +/- 3dB
S/N ratio (A-weighted)
• LINE (INPUT GAIN: +4 dBu): 80dB or better
• MIC (INPUT GAIN: -70dBu: 55dB or better
(equivalent input noise: -125 dBu)
Total harmonic distortion
0.1
％
or less at 1 kHz
Headphones residual noise
(PHONES level control at minimum)
-72 dBV or less (A-weighted)
Crosstalk:
-70 dB or less at 1kHz
Performance
Others
Phantom power:
P48 (phantom 48V) and T12 (A-B 12V)
power supply circuit for each input
channel.
* T12 power supply can be disabled or enabled using the
status mode.
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