JBL / CSMA 280

The CSMA280 is a power amplifier with 8-channel mixer functionality. It features microphone/line input terminals that allow for signal level switching and 27V phantom power supply, as well as line input terminals for direct connection of CD players and other devices. It supports high-impedance connections and includes a high-pass filter function to prevent speaker transformer saturation. Low/high impedance connection can also be switched independently for each output.

An all-in-one power amplifier with a built-in mixer that makes it easy to set up a broadcast system. Packed with features in a compact chassis, it allows you to build a broadcast system simply by connecting microphones and speakers. Furthermore, because it requires minimal operation, high-quality sound reinforcement (SR) can be achieved even in locations without a dedicated operator, such as stores, various facilities, and workspaces.


■Power Amplifier

■Input Channels: 8

■Output Channels: 2

■Input

Terminals: ch1/5: Euroblock (balanced), ch2-4/6-8: Euroblock (balanced), RCA (unbalanced)

Impedance: Euroblock: 400Ω (microphone), 20kΩ (line), RCA: 50kΩ

Maximum Input Level: +20dBu

Phantom Power: (Euroblock only)

■Output

Terminals: Euroblock

4/8Ω: 80W + 80W

70/100V: 80W + 80W

■Frequency Response: ±2dB (20Hz-20kHz, 4/8Ω output)

■S/N Ratio: 90dB or higher (A-weighted)

■THD: 0.5% or less (20Hz-20kHz, power amplifier output)

■Indicators: Signal (input/output), Clip (output), Power

■Power Supply: AC100V, 50/60Hz

■Power Consumption: 45W (1/8 output, pink noise, 4Ω)

■Dimensions (W×H×D): 437×44×304mm (excluding protrusions)

■Weight: 5.5kg

■Accessories

3-pin Euroblock connector ×8

5-pin Euroblock connector ×4

Front angle bracket ×2

Rear angle bracket ×2

Rear flat bracket ×2

Fixing screws ×12

Rear bracket connection screws ×3

Spring washer ×3

Washer ×3

Rack mount screws ×10

Rubber feet ×4 (1 sheet)

Power cord

Japanese instruction manual