Berlin Based B.M.C. Audio, whose slogan is ‘The Sound of Nature” have launched their new Stereo Amplifier, the CS3 and M3 Mono Amplifiers.
CS3 Stereo Amplifier
B.M.C.’s CS3 is a Load-Effect Free (LEF) Amplifier with an option to upgrade it to an LEF Stereo Power Amplifier. The crucial secret of the CS3’s sound is that it avoids distortion, instead of compensating for it through a negative feedback loop.
B.M.C. explain: “The CS3 is a power amplifier without a preamplifier for a short, pure signal path. It features a Volume Control using our exclusive Discrete Intelligent Gain Management (DIGM) system, and an input selector. The lossless DIGM volume adjustment eliminates unnecessary signal attenuation at the input, as well as unnecessary high amplification. Combining the CS3 with a B.M.C. Digital-to-Analog Converter (DAC) transforms it into a LEF stereo power amplifier that offers DIGM gain adjustment set by the DAC’s volume control. In addition, B.M.C.’s balanced Current Injection (CI) input enhances the immediacy of reproduced music by processing the signal current of the source until it reaches the speaker’s output voltage. B.M.C.’s LEF output stage avoids distortion before it occurs by relieving the sound-critical LEF 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. The CS3 also boasts solid output power: 2 x 200 watts into 8 ohms, and 2 x 350 watts into 4 ohms and has an electronically stabilised power supply with a 2kW toroidal transformer and balanced current capacitors provide the muscle behind the music”. It also features, according to B.M.C., “ A massive aluminium made remote control for your convenience of use with a statement of build quality in your hand”.
M3 Mono Amplifier
B.M.C.’s M3 is a distortion-free LEF Mono Power Amplifier with adjustable gain DIGM and a balanced XLR-CI input. The AMP M3 can also be used as a classical monaural power amplifier. B.M.C. go on to explain: “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, which optically transmits the desired value to the M3. 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 large power supply with a 2kW toroidal transformer, Balanced Current capacitors and the new “active virtual capacity” 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 M3 also boasts solid output power: 200 watts into 8 ohms, 380 watts into 4 ohms”.
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