JB Systems C3-1800 amplificator

Professional 3-channel amplifier with built-in active crossover and subwoofer processor.

Can be used as a normal 2-channel amplifier.

1800W total power:

Satellite outputs (stereo): 2x450W rms @ 4ω

Subwoofer output (mono): 900W rms @4ω



Very compact housing, only 2U (88mm) high

Built-in 24dB/oct. active crossover:

90-250Hz selectable crossover point

Filters on satellite outputs can be switched on/off



Built-in SUB BASS processor

Limiters can be switched on/off

Sub out phase inverter

Soft starts

Very efficient cooling

DC fault protection

High temperature protection

Overload and short circuit protections

Balanced inputs with XLR connectors



3 Speakon® outputs: 2x Satellites + 1x Sub out.



Technical Information



Power Satellite outputs @ 4ω: 2x 450Wrms

Power Satellite outputs @ 8ω: 2x 300Wrms

Power Subwoofer outputs @ 4ω: 1x 900Wrms

Power Subwoofer outputs @ 8ω: 1x 600Wrms

Freq. Resp. (+/-0.5dB): 20 - 20000Hz

Active crossover: 90-250Hz (24dB/oct. Linkwitz Riley)

Input Sensitivity: 770mV

Input impedance: 20 kω (bal) / 10kω (unbal)

S/R ratio: >90dB

Damping factor: >500

Cooling: dual speed fan cooling

Inputs: balanced XLR

Outputs: Speakon®

Power supply: AC230V / 50Hz

Dimensions (mm): 483x473x88 (19"/2U)

Weight: 24kg