AF C4DAmplifier | 600 W total power | 4 x 150 W @ 2ohm | D-class Fully Bridgeable AF companion amplifiers are designed to add powerful amplifier channels to AF bit processor amplifiers. A plug-and-play signal input harness is included to make connection to AF bit amplifiers straightforward. AF companion amplifiers are also perfect for use with systems controlled and managed by a standalone bit processor, such as a bit One HD Virtuoso. AF companions have a “straight wire” architecture, without analog preamp functions such as crossover filtering, and are intended for use with external processors. AF M4D boasts four high-fidelity amplified channels 90W x 4 @4Ω*, 150W x 4 @2Ω* with the audiophile sound of the latest generation Audison D-Class technology. Higher switching frequencies, steeper filtering, and higher-tolerance components deliver sound above and beyond the expectation of Class D – in an amazingly compact package! The audio band is extended up to 40 kHz earning the coveted High-Resolution certification. Bridging channel pairs results in 300W x 2 @4Ω*, guaranteeing flexible and powerful performance. *Output Continuous Power (RMS) @14.4 VDC, 1% THD, all channels driven. AMPLIFIER TECH DATA Channels 4 Class D-Class Efficiency 84% Hi Level Input Yes Low Level Input Yes Digital Input No Power supply voltage / fuse 11 ÷ 15 VDC Operating power supply voltage 6.5 ÷ 17.5 VDC Idling current 0.004 A Idling current when off 0.6 mA Consumption @ 14.4 VDC, 2Ω, Max Musical Power 25 A Remote OUT 6.5 ÷15 VDC (150 mA) Remote IN 4 ÷15 VDC (1 mA) ART - Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable) 1.5 VDC AMPLIFIER STAGE Distortion - THD @ 100 Hz, 4Ω, 70% Rated Power 0,03% Bandwidth A (-3 dB, 2 VRMS, 4 Ω): 10Hz ÷ 40kHz S/N ratio A (A weighted @ 1 V): 102 dBA Damping factor A (1 kHz, 4Ω, 2 VRMS): 95 Input sensitivity Pre-In 0.6 ÷ 6 VRMS Input sensitivity Speaker-In 2.2 ÷ 22 VRMS Total Power RMS 600 W Minimum load impedance 2Ω: Output Power (RMS) @14.4 VDC, 1% THD 4Ch @ 4Ω: 90 W x 44Ch @ 2Ω: 150 W x 42Ch (bridge) @ 4Ω: 300 W x 2 Adjustable Crossover No CEA SPECIFICATIONS Output power @ 4Ω, 1% THD+N, 14.4 V 90 W x 4 SN ratio (ref. 1W output) 81 dBA INPUTS Input Type Pre-In / Speaker-In Remote Sub Volume ±12 dB OTHER Fuse 1 x 30 A Weight 1.49 kg DIMENSIONS
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