Amplifier | 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 @4*, 150W x 4 @2* 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 @4*, guaranteeing flexible and powerful performance. *Output Continuous Power (RMS) @14.4 VDC, 1% THD, all channels driven.
Features:
- Improved audio performance and power thanks to the latest generation of ADT (Audison D-Class) technology
- Unbeatable power/volume ratio up to 0.47 W RMS/cm reaching 81% of efficiency
- Hi-Res compatibility performance, with an extended audio band up to 40 kHz
- Maximum versatility thanks to the possibility of using the bridging option for each pair of power outputs
Specs
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, 2, 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, 4, 70% Rated Power 0,03%
Bandwidth A (-3 dB, 2 VRMS, 4 ): 10Hz 40kHz
S/N ratio A (A weighted @ 1 V): 102 dBA
Damping factor A (1 kHz, 4, 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 2:
Output Power (RMS) @14.4 VDC, 1% THD 4Ch @ 4: 90 W x 4
4Ch @ 2: 150 W x 4
2Ch (bridge) @ 4: 300 W x 2
Adjustable Crossover No
CEA Specifications
Output power @ 4, 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
Unconditional Satisfaction Guarantee
