LEGACY MODELS
TMA

TMA 250.4

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  • POWER Bridge Mode 8 Ohms
  • 420W x 2 CONTINUOUS / 500W x 2 PROGRAM
  • POWER Stereo Mode 4 Ohms
  • 220W x 4 CONTINUOUS / 250W x 4 PROGRAM
  • POWER Stereo Mode 8 Ohms
  • 145W x 4 CONTINUOUS / 180W x 4 PROGRAM
Model TMA 250.4
Bridge Mode 8 Ohms
Continuous 420W x 2
Program / Peak 500W x 2 / 840W x 2
Stereo Mode 4 Ohms
Continuous 220W x 4
Program / Peak 250W x 4 / 440W x 2
Stereo Mode 8 Ohms
Continuous 145W x 4
Program / Peak 180W x 4 / 360W x 4
Signal / Noise 20Hz - 20KHz 90dB
Dimension (cm) 59.1 x 53.9 x 19.7
Weight (kg) 21.73
Distortion: (SMPTE-IM): <0.05%
Frequency Response: 20Hz- 20kHz ±0.1/3dB
Point: 10Hz- 60kHz
Damping Factor, 1kHz: >300 a 8 Ohms
Voltage Gain: 40 (32dB)
Input Sensitivity @ 4 ohms: 1Vrms
Input clipping: 10 Vrms (+22dB)
Input Impedance: 10 Kohms unbalanced, 20 Kohms balanced
Controls: Front: AC Switch, Ch1 - Ch4 Gain Knobs, Rear: Mode Switchs
Indicators: Power-On: Blue LED, Protection: Green LED, Limiter : Yellow LED, Clip: Red LED, Parallel-input: Yellow LED
Connectors, each channel: Input: Terminal Block / Output: Screw-terminal Barrier Block
Cooling: Continuously variable speed fan, front-to-rear air flow
Load Protection: On / Off muting, overheat & short circuit protection
Power Supply: 220-240V (110-120V) AC 50-60Hz