Products

L-1800

Professional Power Amplifier

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Product Features

■ 2Ω - load stable per channel, 4Ω - load stable in bridge mono

■ 2U rack space

■ Selectable High Pass Filter on each channel

■ Clip limiter circuitry

■ Forced air cooled (front panel intake, rear panel exhaust)

■ Front panel indicators for different operating modes

■ Front panel indicators for output signal level, clip, protect, and power

■ Rack Ears for permanent installation in a standard 19” (rack mount width) enclosure.

■ Detachable AC power cord

Product specification

  L800L1400 L1800L2400L3000
Power Output LevelSTEREO
1kHz both channels driven
RL=8Ω @  0.1% THD200W280W360W500W650W
RL=4Ω @  0.1% THD300W450W600W750W1000W
RL=2Ω @  0.5% THD430W700W900W1200W1500W
BRIDGEDRL=8Ω 1kHz @  0.1% THD600W900W1200W1500W2000W
RL=4Ω 1kHz @  0.5% THD800W1400W1800W2400W3000W
Frequency Response RL=8Ω, P=1W  20Hz~20kHz: ±0/1dB, 5Hz~70kHz: -3dB
Total Harmonic Distortion 
f=20Hz~20kHz, Half Power(L800/1400)
1/10Power(L1800/2400/3000)
STEREO RL=8Ω & 4Ω≤0.03%
BRIDGED RL=8Ω≤0.03%
Channel Separation Half Power RL=8Ω, f=1kHz, ATT. max. Input 600Ω Shunt ≥80dB
Residual Noise(DIN Audio Filter) ≤-85dB: ATT min.
Signal-to-Noise Ratio DIN Audio, Input 600Ω Shunt ≥100dB
Input Sensitivity (Rated Power into 4Ω 1kHz) 2.7dBu2.7dBu3.5dBu3.5dBu3.5dBu
Damping Factor RL=8Ω, f=1kHz ≥400
Voltage Gain (ATT max.) 4Ω at 1kHz 30dB32dB33dB34dB38.5dB
Output Circuitry AB ClassAB ClassH ClassH ClassH Class
Input Impedance  (ATT max.) ≥20kΩ (Balance/Unbalance)
Indicators Power (Blue)
Clip/Limiter (Red)
Signal (Green)
Protection (Red)
Mode Selector (Yellow)
Protection Power SW ON/OFF muting, Full Short circuit, 
Thermal protection, RF protection
Fan Circuit Low-Speed - Variable - Hi-Speed
Operating Temperature -10°C ~ +40°C 
Power Source 100-120VAC or 220-240VAC; 50/60Hz
(Supplied AC mains transformer depends on country requirements)
Power Consumption(1/8 POWER)100V-120VAC Both Channel Driven RL=4Ω6A7A8A9A11A
230V-240VAC Both Channel Driven RL=4Ω3A3.5A4A4.5A5A
Weight 482(W) x 88(H) x 369(D)mm / 19(W) x 3.5(H) x 14.5(D)in
Dimensions Inputs: balanced combination connector(XLR type+1/4″ TRS)
Connector Outputs: 5-Way binding posts x 2, Speakon Terminal x 2