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Lab Gruppen E 20:4 Energy Efficient Class-D Amplifier 4×500W 19′′ 1U
Lab Gruppen

Lab Gruppen E 20:4 Energy Efficient Class-D Amplifier 4×500W 19′′ 1U

The Lab Gruppen E 20:4 packs four 500 W channels, 2,000 W in total, into a single rack unit for fixed installation work. Its IDEEA Class-D output stage and Rail Sense Limiter let each channel drive Lo-Z loads from 2 to 16 Ω or Hi-Z 70 V / 100 V constant-voltage lines, and channels can be loaded asymmetrically, so one chassis can run a sub, a 100 V ceiling-speaker line and full-range pairs at the same time. Low mains draw, minimal heat and auto-standby keep lifetime running costs down in dense amplifier racks. 4 × 500 WAny load, any channel 2,000 WTotal output 2 Ω-100 VLo-Z and Hi-Z 1U19″ rack, 7.9 kg 70 V / 100 V line systemsHi-Z (constant-voltage) mode is the standard way to feed long runs of tapped ceiling and wall loudspeakers in installed sound: many speakers share one cable pair, and each takes only its tapped wattage. The E 20:4 delivers its full 500 W per channel into 70 V or 100 V lines as well as low-impedance loads, so Lo-Z and distributed zones can be mixed freely across the four channels. Features 2,000 W across 4 flexible output channels in a 1U form factor IntelliDrive delivers 4 × 500 W into any load: 2, 4, 8 or 16 Ω, or Hi-Z 70 V / 100 V Asymmetric channel loading mixes different impedances on one amplifier Proprietary IDEEA Class-D output stage Rail Sense Limiter (RSL) greatly reduces signal clipping and simplifies configuration Low power consumption and heat generation ease demands on mains and cooling Auto-standby and auto-power-on cut consumption in non-operating cycles Built-in 50 Hz high-pass filter, switchable per channel on the rear panel Per-channel attenuation knob and signal LED on the rear panel for commissioning Temperature-controlled fan with front-to-back airflow Aluminium front panel with power, temperature and per-channel signal/limit LEDs GPIO connector with power control and indication for system integration Balanced analogue inputs and amplifier outputs on detachable screw terminals Comprehensive fail-safe circuit protection Specifications Amplifier channels4 Total output, all channels driven2,000 W (4 × 500 W) Max output voltage per channel141 Vp / 100 Vrms Max output current per channel16.3 Arms THD (20 Hz - 20 kHz @ 1 W into 8 Ω)70 dB Frequency response2 Hz - 40 kHz Input impedance20 kΩ Common mode rejection50 dB Output impedance25 mΩ Mains100-240 VAC, standard IEC receptacle Power consumption600 W Standby consumptionShow more
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Stage Supply4.5(8)
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£1,572.0013 Oct13 Oct14 Oct15 Oct13 Oct: £1,572.0015 Oct: £1,572.00

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Product details

Brands
Lab Gruppen
GTIN
00644216631100
Categories
Electronics > Audio > Audio Components > Power & Headphone Amplifiers > Power Amplifiers

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