MOON 330A – High-end stereo power amplifier

The MOON 330A by Simaudio is a high-end stereo power amplifier engineered to deliver refined musical performance, impressive dynamics and absolute loudspeaker control in premium hi-fi and high-end audio systems. Thanks to its sophisticated balanced differential architecture and MOON’s renowned engineering philosophy, the 330A delivers a natural, fast and highly engaging sound presentation.

The amplifier incorporates Simaudio’s proprietary Advanced Renaissance technology, developed to eliminate global feedback while dramatically reducing intermodulation distortion and phase errors. This design approach allows the MOON 330A to achieve exceptionally fluid and transparent musical reproduction with a wide and highly precise soundstage.

Capable of delivering 125 watts per channel into 8 ohms and 250 watts per channel into 4 ohms, the MOON 330A drives a wide range of hi-fi and high-end loudspeakers with complete authority, maintaining outstanding bass control and remarkable tonal realism. The amplifier can also operate in bridged mono mode, producing 400 watts into 8 ohms.

The oversized power supply employs a custom low-noise toroidal transformer designed in-house by Simaudio, combined with a high-current output stage that guarantees lightning-fast transient response, excellent microdynamics and superb stability even with demanding speaker loads.

The MOON 330A operates in pure Class A up to 5 watts before transitioning into Class AB operation, combining sonic refinement, efficiency and reduced thermal stress. The highly rigid chassis construction minimises vibration and interference while preserving signal purity.

During listening sessions, the MOON 330A delivers a sound that is both powerful and refined, featuring deep articulate bass, highly realistic midrange reproduction and detailed, smooth treble free from harshness. The soundstage is expansive, holographic and stable, with excellent ambience retrieval and micro-detail resolution.

Manufactured in Canada to extremely high standards, the MOON 330A is an ideal solution for audiophiles seeking musicality, reliability and uncompromising high-end performance.

Key Features

• High-end stereo power amplifier
• Balanced differential architecture
• Proprietary Advanced Renaissance technology
• No global feedback design
• 125 W per channel into 8 Ω
• 250 W per channel into 4 Ω
• Bridgeable mono operation up to 400 W into 8 Ω
• Class A operation up to 5 W
• Custom low-noise toroidal transformer
• Balanced XLR and single-ended RCA inputs
• 12V trigger and RS-232 connectivity
• High-end construction Made in Canada

Technical Specifications

• Type: stereo power amplifier
• Configuration: balanced differential circuit
• Power output into 8 Ω: 125 W per channel
• Power output into 4 Ω: 250 W per channel
• Bridged mono power into 8 Ω: 400 W
• Class of operation: Class A / AB
• Class A operation: up to 5 W
• Transformer: custom low-noise toroidal transformer
• Input sensitivity: 800 mV RMS
• Input impedance: 47,500 Ω
• Gain: 31 dB
• Frequency response: 10 Hz – 125 kHz (+0 / -3 dB)
• THD: 0.02% at 1 W / 0.05% at 200 W
• Signal-to-noise ratio: 100 dB
• Damping factor: high for superior loudspeaker control
• Inputs: single-ended RCA, balanced XLR
• Dimensions: 42.9 x 8.9 x 35.6 cm
• Weight: 15 kg
• Manufacturing: Made in Canada

The MOON 330A is a stereo power amplifier designed to deliver exceptional transparency, control and musicality, making it one of the finest high-end solutions for refined and highly musical hi-fi systems.