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Fbt SA 1120 User Manual

Fbt SA 1120
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SA1120-PAAMPLIFIER
INPUT1 INPUT2 INPUT3 INPUT4 AUX BASS TREBLE MASTER
POWER
VU-METER
O
I
SA1120-PAAMPLIFIER
0
5
10 0
5
10 0
5
10 0
5
10 0
5
10 -10
0
+10 -10
0
+10 0
5
10
GND
PREOUT
1:forCD
2:forTUNER
3:forTAPE
4:forAUXIN
MAININ
R
L
1 2 3
4
TEL.
Vol.
MON.
Vol.
ON OFF
DCSW
LINEAC230V50Hz
INPUT4 INPUT3 INPUT2 INPUT1
BALANCED
LINE MIC
PHANTOM
24V
LINE MIC
PHANTOM
24V
LINE MIC
PHANTOM
24V
LINE MIC
PHANTOM
24V
100V70V25V24V
+
DC
-
1W
+
T
TEL
R
PAGING
G
COM
8
FUSE:AC230V2.5A
DC24V10A-Pmax400VA
SA1120
PAAMPLIFIER
CAUTION
RISKOFELECTRICSHOCK
DONOTOPEN
TOREDUCETHERISKOFELECTRICSHOCKDONOTREMOVECOVER(ORBACK)NOUSERSERVICEABLE
PARTSINSIDEREFERSERVICINGTOQUALIFIEDSERVICEPERSONNEL
CODE13285 SA1120
MANUALEDIISTRUZIONI
OPERATINGMANUAL
FBTELETTRONICAS.p.A.-ZONAIND.LESQUARTABUE-62019RECANATI(MC)-ITALY
TEL.071750591r.a.-FAX0717505920-E-mail:INFO@FBT.it-www.fbt.it
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Fbt SA 1120 Specifications

General IconGeneral
BrandFbt
ModelSA 1120
CategoryAmplifier
LanguageEnglish

Summary

Front Panel Controls

Input and Aux Channels

Controls individual volume for sound sources connected to inputs 1-4 and AUX.

Tone and Master Output Adjustment

Adjusts bass and treble frequencies, and the overall output signal level.

Output Metering and Power

VU-meter for signal level, overload indicator, and system power switch.

Rear Panel Connections and Features

Power Input and Fuse Holder

AC power inlet, fuse holder for circuit protection, and DC power switch.

Speaker Output Terminals

Connects external loudspeakers with constant impedance or voltage.

Priority Signal Terminals

Terminals for activating audio signal priority switching via external contact.

Auxiliary Paging Input

Input for auxiliary signal with voice priority function overriding other inputs.

DC Battery Backup Supply

Connection for an external 24V DC battery for continuous operation.

Constant Voltage Speaker Outputs

Terminals for connecting speakers at 25V, 70V, and 100V constant voltage outputs.

Input Selection and Phantom Power

Switches for LINE, MIC, and 24V Phantom power for inputs.

Balanced Input Connectors

Combo XLR/Jack inputs for microphones and high-level audio sources.

Auxiliary Input Source Selection

Selects audio source type for RCA input: CD, TUNER, TAPE, or AUX.

External Processor and Link Ports

Ports for integrating external processors (Main In) and linking (Pre Out).

Volume Controls for Monitor and Paging

Adjusts volume for monitor output and auxiliary paging input.

DC Power Switch and Ground Terminal

Enables/disables DC battery supply and provides chassis ground connection.

Connections and Technical Specifications

Signal Connection Types

Diagrams illustrating Pin Jack RCA and Neutrik XLR/Jack combo connections.

Power and Frequency Response Specs

Details nominal power, frequency response, and distortion ratings.

Input Sensitivity and Impedance Details

Specifications for various input types and their corresponding impedances.

Output and Tone Control Specifications

Details speaker output configurations and tone control frequency ranges.

Power Consumption and Physical Dimensions

Information on maximum power draw, supply voltage, and unit dimensions.

Connection Examples

Emergency, Telephone, and Speaker Setup

Example connections for emergency signals, telephones, and speakers.

Audio Source and Microphone Wiring

Examples for connecting tuners, recorders, CD players, and microphones.

Battery Backup and Wireless Receiver

Example connections for battery power and wireless microphone receivers.

Power Amplifier and Equalizer Integration

Examples illustrating connections to external power amplifiers and equalizers.

Power Supply and Output Connection Guidelines

AC Power Supply and Voltage Selection

Instructions for connecting to mains power and selecting the correct voltage.

DC Battery Power Supply

Guidance on connecting a 24V DC battery for uninterrupted operation.

Constant Impedance Speaker Wiring

Rules and considerations for connecting speakers in a constant impedance setup.

Constant Voltage Speaker Wiring

Rules and considerations for connecting speakers in a constant voltage setup.

Voice Priority Function Adjustment

Procedure to adjust the sensitivity for the voice priority activation.

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