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4 Channel Audio Mixer - Microphone or line input and output

4 Channel Audio Mixer - Microphone or line input and output

Part #: FP-MX4   Manufacturer: Radio Design Labs

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Product Description

The FP-MX4 is a single-channel audio mixing module featuring four identical inputs. Each input accepts either a mic or line level source. The output section provides four mixing potentiometers corresponding to the four inputs. The output section provides both a balanced line (+4 dBu) and balanced microphone level (-45 dBu) output. Both outputs may be used at the same time. The four mixing potentiometers are intended to be set at installation or to be adjusted occasionally. Levels may be adjusted at the mixer using the RDL dual-LED VU meter which displays the mixer output level.

Microphone Inputs (4): 2 kΩ balanced, switchable 24 V phantom (IEC 1938: 1996-12)
Microphone Input Level: Switch selectable ranges: -30 to -40 dBu, -40 to -50 dBu, < -50 dBu
Line Inputs (4): +4 dBu, 10 kΩ balanced (or unbalanced)
Gain:
Mic:
Line: 		Off to 65 dB gain (adjustable each input)
Off to 6 dB gain (adjustable each input)
Frequency Response:
Mic:
Line: 		10 Hz to 30 kHz (+/- 0.25 dB)
10 Hz to 45 kHz (+/- 0.25 dB)
THD+N:
Mic:
Line: 		< 0.012%
< 0.004%
Residual Noise (below +4dBu output): Note, (A) = A-Weighted
Unity Gain:
4 Line level sources
< -84 dB (wideband)
40dB Gain: Mic: -90 dB; All 4 mic level sources:
< -82 dB (wideband); < -84 dB (A)
50dB Gain: Mic: -86 dB; All 4 mic level sources:
< -72 dB (wideband); < -76 dB (A)
60dB Gain: Mic: -80 dB; All 4 mic level sources:
< -65 dB (wideband); < -67 dB (A)
Outputs (2):
Line:
Mic: 		+4 dBu 150 Ω balanced
-45 dBu 150 Ω balanced
Indicators (2):Dual-LED VU meter (line-level output)
Power Requirement:GROUND-REFERENCED, 24 Vdc @ 160 mA
Overall Dimensions:
Height:1.42 in.   3.61 cm
Width:3.25 in.   1.42 in.
Length:8.14 in.   1.42 in.
Ambient Operating Environment:0° C to 50° C

Additional Information

Manufacturer: Radio Design Labs
Part#: FP-MX4
Unit: Each
Carton: 1

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