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Overview

The new L-Series Power Amplifiers deliver high-efficiency and powerful sonic performance for audio professionals.

Our engineers used Class-H technology to create amplifiers with high efficiency and improved reliability. Extensive

protection circuitry guards against over-voltage and excessive current, temperature-related problems, shorted outputs,

and DC voltages.

Additionally, clip-limiting circuitry, variable-speed cooling fans, and a damping factor greater than 400, combine together

to make impressive high-power professional amplifiers. All models feature popular connectors for inputs and outputs: balanced

inputs (combination 1/4” TRS and XLR); and locking speaker connectors and 5-way binding posts on the outputs.

This combination of advanced design and extensive protection circuitry offers you reliability, stability, and exceptional performance

for the most exacting sound reinforcement applications.

Feature

- 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

Specification

MODEL			L1400	L1800	L2400	L3000
Power Output Level	STEREO	1kHz both channels driven
		RL=8Ω @ 0.1% THD	280W	360W	500W	650W
		RL=4Ω @ 0.1% THD	450W	600W	750W	1000W
		RL=2Ω @ 0.5% THD	700W	900W	1200W	1500W
	BRIDGED	RL=8Ω 1kHz @ 0.1% THD	900W	1200W	1500W	2000W
		RL=4Ω 1kHz @ 0.5% THD	1400W	1800W	2400W	3000W
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)			2.7dBu	3.5dBu	3.5dBu	3.5dBu
Damping Factor RL=8Ω, f=1kHz			≥400
Voltage Gain (ATT max.) 4Ω at 1kHz			32dB	33dB	34dB	38.5dB
Output Circuitry			AB Class	H Class	H Class	H 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			AC 100–240V, 50/60Hz (Supplied AC mains transformer depends on country requirements)
Power Consumption(1/8 POWER)	AC 100V-120V Both Channel Driven RL=4Ω		7A	8A	9A	11A
	AC 230V-240V Both Channel Driven RL=4Ω		3.5A	4A	4.5A	5A
Weight			14.4kg/31.7lb	15kg/33lb	15.6kg/34.6lb	19.5kg/39.5lb
Dimensions			482(W) x 88(H) x 369(D)mm / 19(W) x 3.5(H) x 14.5(D)in
Connector			Inputs: balanced combination connector(XLR type+1/4″ TRS) Outputs: 5-Way binding posts x 2, Speakon Terminal x 2