B.M.C. Audio introduces the M2 mono power amplifier, featuring a new LEF amplifier generation.
B.M.C.'s M2 is a distortion-free LEF Mono Power Amplifier with adjustable gain DIGM and a balanced XLR-CI input. The AMP M1 can also be used as a classical monaural power amplifier.
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In the short B.M.C. signal chain, the unattenuated signal is used from the fixed output of the source, while our exclusive DIGM system adjusts the volume by setting the gain of the amplifier. The lossless volume-setting happens at the B.M.C. DAC 1, which optically transmits the desired value to the M2.
Tonal and technical crème de la crème: B.M.C.'s balanced Current Injection (CI) input imparts an even more intense musical experience by processing the original signal current until it generates the adjustable speaker output voltage.
The channel separation by two separate mono power amplifiers cannot be surpassed.
A fully regulated power supply with a 2kW toroidal transformer and Balanced Current capacitors delivers a silent background and rock-solid stability.
The Load-Effect Free (LEF) output stage avoids any distortion before it occurs by relieving the sound-critical single-ended Class-A transistor of all duties other than providing perfect signal reproduction.
Unlike other amplifiers, an LEF amplifier handles a speaker's current demand separately from the voltage demand. The result is an unparalleled mastery of musical complexity that brings to startling life delicate details, rock-shaking power, high dynamics, sonic vitality, and accurate imaging — all on a three-dimensional soundstage.
Load-Effect Free amplification is a new experience.
The M2 also boasts solid output power: 200 watts into 8 ohms, 380 watts into 4 ohms.
200 Watt / 8 ohm, 2 x 380 Watt / 4 Ohm
Frequency Response 20 Hz – 20 kHz, 1W (DIGM Mode)
Bandwidth 1W / -3dB (DIGM Mode)
|2Hz – 180kHz|
Signal/Noise Power-Amplifier-Mode (rel. Pmax)
The following Signal/Noise Ration can be achieved in DIGM Mode only
Signal/Noise at DIGM 57 (relative to Pmax)
|Signal/Noise at DIGM 40 (relative to Pmax)||125dB|
|Signal/Noise at DIGM 40 (relative to 1W)||105dB|
|THD+N at 1 Watt, 1 kHz||0.01%|
|THD+N from 50mW to 50W, 1kHz||Under 0.02%|
|THD+D under 0.1%||From 0.3mW to 150 Watt|
|Damping Factor (8 Ohm, 10W)||250|
|Inputs balanced||Balanced XLR &Balanced Current Injection XLR-CI|
|Inputs unbalanced||Unbalanced RCA|
|Input Impedance||50kOhm to ground, 100kOhm differential at XLR|
|Input Impedance, CI Current Injection Input||1.5kOhm serial at XLR-CI|
|Input Sensitivity||Max 750mV/RCA, 1.5V/XLR|
|Volume Adjustment (with external DIGM Control)||DIGM in 66 precise 1 dB increments|
|Speaker Output||1 Stereo-Pair with gold plated binding posts|
|AC Voltage||AC 100V, 115V or 230V, 50/60 Hz|
|Power Consumption||110W – 800W|
|Dimensions Enclosure (W x D x H)||435 x 405 x 138mm|
|Dimension incl. Legs, Knobs and Terminals||435 x 405 x 150mm|