Fbt M12 X4 - User Manual

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PH
STEREO
MAIN OUT
L
R
STEREO
L
PEAK
R
VOLUME BASS
HIGH
VOLUMESOURCES
ALL CH
PRIORITY
CH 1
PRIORITY
CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4
VOICE VOICE VOICE VOICE
MASTER
STEREOREC
L
R
MAIN OUT
L
R
L
R
L
R
AUX TUNER TAPE CD
PH 24V
CHANNEL 4 CHANNEL 3 CHANNEL 2 CHANNEL1
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-20 30
mic
line
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M12 X
-
4
90-245 V
INPUT
MONO
MICRO (XLR-F)
1 = SHIELD
2 = HOT
3 = COLD
LINE
RING=COLD
TIP=HOT
SLEEVE=SHIELD
R
L
X
JACK
1
2
3
50 60 Hz /
T 1,25 A
250 V
CD
TAPE
TUNER
AUX
MADE
IN ITALY
PWR
M12 X4
A U D I O C O N T R A C T O R
FBT ELETTRONICA S.p.A. - Via Paolo Soprani, 1 - ZONA IND. SQUARTABUE - 62019 RECANATI (MC) - ITALY
ISTRUZIONI PER L’USO
INSTRUCTIONS FOR USE
Preamplifier / Mixer
UK
Preamplificatore / Mixer
I
All manuals and user guides at all-guides.com
all-guides.com

Summary

FBT M12 X4 Mixer Overview

Safety and Warnings

Electrical Safety Warnings

Avoid electric shock, fire, and moisture exposure risks by not opening the unit.

Usage & Handling Precautions

Ensure correct voltage, complete connections before power-up, manage earth loops, handle controls gently.

Controls and Functions Explained

Rear Panel Output Ports

RCA REC STEREO, XLR MAIN OUT L/R, and RCA STEREO outputs for various audio connections.

Input Channels & Phantom Power

Stereo line inputs, 24V phantom power activation, and Neutrik-Combo inputs with gain.

Power Input and Fuse Holder

Mains power socket (90-245V) and fuse holder for power circuit protection.

Input Channel Controls

Input channels with volume, voice control, and CH1 priority function for speech intelligibility.

Source Selection & Priority Settings

Selector for audio sources (Aux, Tuner, Tape, CD) and ALL CH PRIORITY switch.

Master Section & EQ Controls

Master volume, BASS/HIGH EQ, PEAK LEDs, and MAIN OUT L/R level controls.

System Power & Phantom Status Indicator

System On-Off switch and LED indicating phantom power activation.

Connection Example Diagram

Technical Specifications Summary

System Block Diagram

Product Disposal Guidelines

Fbt M12 X4 Specifications

General

Channels	4
Input Sensitivity	1.4V
Frequency Response	20Hz - 20kHz
THD+N	<0.1%
S/N Ratio	>110dB
Input Impedance	20 kOhm Balanced
Input Connectors	XLR
Output Connectors	Speakon
Power Supply	50/60Hz
Protection	DC, Short circuit, Overheat, Overload
Dimensions (W x H x D)	483 x 88 mm
Signal to Noise Ratio	>100dB
Total Harmonic Distortion	<0.1%