Bel Canto e.One REF500S Dual Mono Power Amplifier

Bel Canto’s REF500S provides high power in a compact stereo chassis. It delivers 121dB dynamic range and 200 watts into 8 ohms, doubling to 400 watts into 4 ohms. The combination of fully-regulated switch-mode power supplies and analog control circuitry brings great dynamic expression to your music.

Bel Canto’s new generation of e.One analog switching audio power amplifiers emerge. These amplifiers incorporate performance enhancing technology resulting from our on-going research in analog switching amplifier technology.

High common mode rejection, wide dynamic range custom input stages are added. This input stages improved the drive to the amplifier, resulting in lower noise and distortion and wider dynamic range in real-world operation.

The 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. These devices ensure that the input section is utterly transparent, enhancing the performance of the core amplifier.

The REF1000M and REF500M Mono amplifiers also include custom power supply rectification and filters that substantially increase the energy storage of the power supply. This stage results in lower noise in operation, reduced sensitivity to power line effects and better perceived power delivery and dynamics. Incorporating high speed, low noise rectifiers, high voltage film filter capacitors and high energy storage this filter allows the regulated power supply to perform at its best.

Both the REF500S and REF500M use 3rd generation switching amplifiers for lower High Frequency distortion, increased clarity and better high frequency extension.

All Bel Canto e.One amplifiers are gain matched for easy mixing in system building, multi-channel and vertical bi-amplification applications.

Power Output: 500W 4 ohms, 250W 8 ohms
Power Output 1% THD: 370W 4 ohms, 200W 8 ohms
Minimum Load: 3 ohms
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 5-way safety binding posts
Standby Power: 19W
Size: 216 x 76 x 305mm (WxHxD)
Weight: 7Kg

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