A1.5 POWER AMPLİFER

ÖZELLİKLER

CH Precision

Where Technology Becomes Music

Beyond its technical accomplishments, the A1.5 is defined by its ability to translate engineering precision into a musical experience that feels immediate, effortless, and alive. Its combination of low noise, high current delivery, and wide bandwidth allows music to emerge with natural flow and unforced authority. Transients arrive with lifelike speed, sustained notes bloom with harmonic richness, and the soundstage unfolds with three‑dimensional stability. In a single‑amplifier stereo configuration, it will drive everything from compact monitors to demanding full‑range loudspeakers with confidence and nuance. And for those seeking to expand their system, the A1.5’s scalable architecture allows pairing in monobloc, bridged, or bi‑amp configurations, delivering even greater dynamic headroom and expressive potential.

This is the essence of CH Precision’s philosophy: technology serves the music, and the system grows with the listener. Each engineering decision, from discrete circuit topology to mechanical grounding, is made to preserve the emotional content of the recording and to reveal the artistry behind every note. In a complete CH system, the amplifier becomes more than a source of power. It becomes a cornerstone of a system that adapts to your musical ambitions.

Specifications

General

Type: 2-channel power amplifier
Options: 1 or 2 input board (for monaural or stereo operation)
Upgrade path: 1 stereo A1.5 to 2 monaural A1.5
Modes: Stereo, Monaural, Bridged, Bi-amp
Color: Silver (standard), Anthracite or Champagne (option)
Dimensions: 440 x 440 x 198 mm (W D x H)
Weight: 47kg
Operating conditions: 5°C<T<35°C, 5%<humidity<85% no condensation
Power supply: Selectable 100V, 115V or 230V AC, 47Hz to 63Hz, 1x IEC C20 socket
Power consumption: <0.5W standby, 150W idle, 1800W max

User interface

Display: 800 x 480 pixels, 24 bit RGB AMOLED
Control: 5-button interface, Android app (iOS app to be released)
Firmware update: via USB flash drive or the Internet

Analog input

Type: 1x Balanced XLR, 1x single-ended RCA, 1x single-ended BNC per channel
Impedance: 94kΩ (balanced), 47kΩ or 300Ω (single-ended)
Level: 2.5VRMS nominal (balanced), 1.25VRMS nominal (single-ended)

Analog Output

Connectors: Spade/Banana sockets, 1 set per channel
Bandwidth: DC to 450kHz (@ 1WRMS/8Ω, -3dB)
Total Harmonic Distortion + Noise (@ 22Hz-80kHz, 50WRMS/8Ω):
- <0.1% (100% local feedback)
- <0.01% (100% global feedback)
Signal-to-noise ratio:
- >115dB (stereo, bi-amp, monaural)
- >118dB (bridged)
Gain:
- +24dB (stereo, bi-amp, monaural)
- +30dB (bridged)