Controls, indicators and connections
L Series amplifier
Front view
1. LCD - LCD control and monitoring interface.
2.
Encoder knob - Scroll through the DSP menu and select the available choices. Push the
encoder knob to enter the DSP menu.
3. POWER - AC button for turning the power ON or OFF. The LCD screen lights up when the
power is turned on.
Rear view
2
3
4
5
6
Bosch Security Systems BV
Torenallee 49, NL-5617BA Eindhofen
Quality by Bosch
Made in China
S/N: PPBTTTTDDDLLLLSSSS
TL-1.3K2-EU
Mat/N: F01U312382
N633
230V~50-60 Hz / 550W
1
77
6
1. FAN - Exhaust air vent for amplifier cooling. Do not obstruct!
2.
MAINS IN - AC mains input socket.
3. Groundlift switch (CIRCUIT ⊥ TO CHASSIS SWITCH) - Switch allows eliminating hum
noise loops.
4. USB type B connector.
5. Power amp outputs Speakon (CHANNEL A, CHANNEL B)
6. Audio inputs (INPUT A, INPUT B) directly linked to the outputs.
7. Audio outputs (OUTPUT A, OUTPUT B) directly linked to the inputs.
6
6.1
L Series and C Series FIR-Drive Power
Amplifiers
Controls, indicators and connections | en 17
Bosch Sicherheitssysteme GmbH Installation manual 2017.10 | 02 | F.01U.327.801
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