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Fostex FM-3 Field Mixer With 3-Channel Input And 2-Channel Main Outputs

Product Code FOFM3
Manufacturer Fostex

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Description

The FM-3 Portable Mixer offers a three-input, stereo output portable mixing solution and has been designed primarily for ENG (professional electronic news gathering) but is also at home in on-location film productions. It's equipped with 3 balanced inputs (switchable phantom power), with a 2ch main output plus a wide variety of sub outputs.

Specifications

Inputs

FM-3 INPUT 1 through INPUT 3: XLR-3-31 type (transformer balanced)

MIC input

Input impedance: 2 k Ohm or more

Nominal input level: -70 dBu to -30 dBu

Phantom Power: P48V or T12V (selectable)

LINE input

Input impedance: 10 k Ohm or more

Nominal input level: -20 dBu to +4 dBu

AUX IN: XLR-5-51 type (electronically balanced)

Input impedance: 20 k Ohm or more

Nominal input level: +4 dBu

RTN IN: Connector: ø3.5mm stereo mini-phone jack (unbalanced)

Input impedance: 10 k Ohm or more

Nominal input level: -10 dBV

 

Outputs

AIN OUT (L, R): XLR-3-32 type (transformer balanced)

Applicable load impedance: 600 Ohm or more

Nominal output level: +4, 0, -10 or -60 dBu (FM-4) / +4, 0, -20 or -60 dBu (FM-3) (switchable)

SUB OUT: XLR-5-52 type (electronically balanced)

Applicable load impedance: 10 k Ohm or more

Nominal output level: +4, 0, -20 or -60 dBu (switchable)

TAPE OUT: Connector: ø 3.5mm stereo mini-phone jack (unbalanced)

Applicable load impedance: 10 k Ohm or more

Nominal output level: -10 dBV

AUX OUT: Connector: ø3.5mm stereo mini-phone jack (unbalanced)

Applicable load impedance: 10 k Ohm or more

Nominal output level: -10 dBV or -60 dBV (switchable)

PHONES: Connectors : 1/4” stereo phone jack and ø3.5mm stereo mini-phone jack

Applicable load impedance: 8 Ohm or more

LIMITER: Attack time: approx 5 msec. Release time: approx 200 msec.

Threshold level: +6, +9 or +12dBu (FM-4) / +6 or +12dBu (FM-3) output level

Ratio: 3:1 or 5:1 (level and ratio can be selected using the status mode)

DC IN: XLR-4-32 type (male). Input voltage: DC10V to DC 24V

DC OUT: Hirose 4 pin (female). Applicable plug: Hirose HR10A-7P-4P. DC7.2V - 24

 

Performance

Frequency response:

LINE IN - MAIN OUT: 20Hz to 20kHz +/- 1dB (reference level)

MIC IN - MAIN OUT: 40Hz to 20kHz +/- 1dB (reference level)

HEADPHONES (32 Ohm 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:

LINE: 0.1% or less at 1 kHz (Input Gain +4dBu)

MIC: 0.1% or less at 1kHz (Input Gain -70dBu)

Headphones residual noise: (PHONES level control at minimum)

-72 dBV or less (A-weighted)

Crosstalk: -70 dB or less at 1kHz

 

Physical

External dimensions: 210 (W) x 57 (H) x 156 (D) mm (Including protrusions)

Weight: Approximately 1.2kg (not including the internal batteries)

 

Internal batteries: Eight AA batteries (alkaline: 12V, nickel hydride: 9.6V)

Power requirement: DC7.2 to 12V

External power supply: Optional AC adaptor (AD15C / AD15-4300)

Equipment available to buy from this site is for professional use only. Please note in certain countries some products listed may not be available from A.C. Entertainment Technologies Ltd.

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