e.One Mono Power Amplifier

The REF500M drives your loudspeakers with an unprecedented level of sonic accuracy and power. The REF500M delivers 121dB dynamic range and 250 watts into 8 ohms, doubling to 500 watts into 4 ohms. The combination of fullyregulated switch-mode power supplies and analog control circuitry brings incredible dynamic expression to your music.

  • Balanced Mono Amplifier 225/450W (each)
  • Custom Input Stage
  • Low Noise Power Filter

Bel Canto’s e.One switching amplification imparts many advantages including low noise, low heat and low power consumption. It’s also the most direct way to convert electrical power into music. The entire music signal is delivered to the loudspeaker efficiently without excess energy wasted as heat. The compact, heavy gauge, all-steel chassis prevents micro-phonic noise from corrupting the audio signal and brings music to life with extraordinary nuance and power.

The REF500M custom power input stage includes high speed, low noise rectifiers and large storage and filter capacitors that substantially increase energy storage, significantly lowering noise while reducing sensitivity to power line fluctuations. The custom input stage uses the latest advanced amplifiers and passive components including: Caddock resistors, Solid Electrolytic ultra-low ESR decoupling capacitors and low noise regulated power supplies. The combination of Bel Canto’s input and power circuitry ensures the full dynamic expression in your music is experienced.

The Mono-Bloc design of a pair of REF500M amplifiers allows great flexibility in placement, either near your source components or your loudspeakers. The total isolation of each channel also results in the holographic stereo imaging and separation. The elegant switching output stage eliminates thermal distortion mechanisms caused by changes in operating temperature. You’ll experience breathtaking truth in signal amplification that is life-like in its dynamic, detail and resolution.

Bel Canto music products are fine instruments that deliver music’s subtle detail, impact and beauty. Green, low-heat, ultra-efficient heavily regulated switch-mode power supplies and switching output stage make possible Bel Canto’s eco-friendly compact designs that are sleek enough to flatter any room; place two Bel Canto e.One products in the space formerly occupied by a large, hot-running, inefficient class-A design!

Specifications

  • Maximum Power Output: 500W 4 ohms, 250W 8 ohms
  • Power Output 1% THD: 450W 4 ohms, 225W 8 ohms
  • Minimum Load: 3 ohms
  • Peak Output Current: 35 amperes
  • Frequency Response: +/-3 dB 1.5Hz-70KHz, all loads
  • THD+N: 0.003% 1W, 1KHz, 4 ohms
  • IMD (CCIF): 0.0003%, 1W, 14:15KHz, 4 ohms
  • Output noise: 35uVRMS A-weighted 10Hz-20KHz
  • Voltage gain: 27dB (single ended or balanced input)
  • Damping factor: >1000
  • Output Impedance at 100Hz: <8 milliohms
  • Dynamic Range: 121dB
  • Input Voltage for Max Output: 2Vrms
  • Input connections: Single-ended RCA or balanced XLR
  • RCA input impedance: 100Kohms
  • Balanced input impedance: 200Kohms
  • Output connections: 1-set WBT Nextgen 5-way binding posts
  • Power On usage: 10W
  • Power Off usage: 0.0W
  • Internally Set Operating Voltages: 100-120VAC or 230-240VAC 50/60 Hz
  • Size: 8.5 x 3.5 x 12[inches], 216 x 88 x 305[mm] (WxHxD)
  • Weight: 15 lbs, 7 Kg

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