Cyrus 40 Amp Integrated Amplifier
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The Cyrus 40 Amp sets a new standard for integrated amplification within the 40 Series. With 100 watts per channel into 6 ohms and a completely re-engineered internal circuit, this amplifier delivers clarity, control, and scale in equal measure. Its sleek aluminum chassis houses cutting-edge digital architecture alongside analog finesse, offering flexibility across both traditional and modern sources. Whether you’re spinning vinyl, streaming digital, or routing your TV through HDMI eARC, the 40 Amp serves as the beating heart of any serious two-channel or entertainment setup.
Key Features
- ESS Sabre ES9039Q2M DAC: Supports 32-bit/768kHz PCM and DSD1024
- 100W per Channel at 6 ohms: Drives even the most demanding loudspeakers
- Wide Connectivity: Analog RCA, MM Phono, USB-B, HDMI eARC, Coaxial, and Optical
- Upgradeable Power Path: Compatible with the external 40 PSU
- R&D Engineered Circuitry: Entirely re-designed by Cyrus engineering team
- Full-Color Display: 5-inch high-resolution TFT screen in a solid aluminum chassis
- Made in the UK: Hand-assembled at Cyrus’ Cambridgeshire facility
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5-Year Warranty: Industry-leading peace of mind, backed by British engineering.
The 40 Amp features a fully customized implementation of the ESS Sabre ES9039Q2M DAC, including HyperStream IV Dual DAC topology. With support for high-resolution formats up to 32-bit/768kHz PCM and DSD1024, the digital stage is engineered for maximum resolution and clarity. Every element of the DAC layout has been tuned in-house by the Cyrus team to achieve a signal path of extraordinary precision. Digital inputs include asynchronous USB-B, coaxial, optical, and HDMI eARC, allowing full integration with streamers, TVs, and other sources.
MM Phono Stage
Cyrus has included a low-noise moving magnet phono input that borrows design principles from the award-winning Classic Phono. With a wide dynamic range and low background noise, the phono stage provides a clean, articulate signal path for any quality turntable, bringing analog warmth and musicality into the same chassis as your high-res digital sources.
Power Amplifier
With 100 watts per channel into 6 ohms, the 40 Amp delivers punch and control across the full frequency range. The wideband amplifier design offers a frequency response that extends from DC to beyond 100kHz, ensuring phase integrity and resolution across all content. Its generous, over-specified power supply allows the amplifier to reveal scale and subtlety without strain, even during dynamic peaks.
PSU Upgrade Option
For those looking to extract every ounce of sonic performance, the 40 Amp can be connected to the Cyrus 40 PSU external power supply. The 40 PSU provides multiple digitally controlled low-noise voltage rails, isolating the DAC and preamp sections for even greater purity and stability. A single connection cable makes integration seamless, and the audible gains in noise floor and headroom are immediately apparent.
The Listening Room Difference
We’re a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you’re visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don’t just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.
Cyrus 40 Amp Reviews
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Specifications
Specification |
Details |
---|---|
Power Output | 2 x 100W (2 x 113W with 40 PSU) into 6 Ω |
DAC | ESS Sabre ES9039Q2M 32-bit DAC |
Analog Inputs | 4 x RCA, 1 x MM Phono |
Digital Inputs | 2 x Coaxial, 1 x Optical, 1 x USB-B, 1 x HDMI eARC |
Outputs | 1 x Preamp Out, 1 x Fixed Out, 1 x Headphone Out |
DSD Support | Up to DSD256 (USB), DoP up to DoP128 |
SPDIF Formats | 16/44.1kHz to 24/192kHz |
USB Formats | 16/44.1kHz to 32/384kHz |
Networking | RJ45 Ethernet (firmware), USB-A (firmware) |
40 PSU Compatible | Yes |
Dimensions (H x W x D) | 88 x 220 x 385 mm (3.46” x 8.66” x 15.16”) |
Weight | 8.5 kg (18.7 lbs) |
Warranty | 5-Year Warranty |
