i5

About the i5

The Simaudio Moon I-5 is a stereo integrated amplifier designed with a dual-mono partial configuration and a Class A/B amplifier stage. It delivers 70 watts per channel into 8 ohms and 110 watts into 4 ohms, powered by a 0.5kVA toroidal transformer and 40,000µF power supply capacitance. The preamplifier section operates in Class A with J-FET input devices, while the amplifier stage uses bipolar output devices. It features five single-ended RCA inputs, one tape output, and one preamplifier output. The amplifier uses WBT binding posts for speaker connections and includes an all-aluminum simple-function remote control. The frequency response ranges from 10Hz to 70kHz (+0/-3dB), with a damping factor greater than 200 and a signal-to-noise ratio of 97dB at full power. The design emphasizes a short, capacitorless signal path and minimal global feedback for real-time amplification with exceptional speed and tonal accuracy. The chassis is compact and rigid, with rounded heat sinks integrated into the sides for efficient cooling and refined aesthetics. The Moon I-5 is noted for its sonic clarity, tight and quick bass, and incisive midrange, making it suitable for audiophiles seeking refined sound quality rather than maximum power output. It lacks an onboard phono stage and headphone circuit to maintain sonic purity. The amplifier is available in black or silver faceplate finishes and requires 120V/60Hz or 240V/50Hz power input.