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Overview
TheCD-777SEisacompactdiskprocessorwithAMR’scontinuouscalibrationmultibitDAC,OptiSample®bit-perfectmodes,USBandS/PDIFflexibility,andazero-feedbackvalveanaloguestage.
Key Features
Defining characteristics
AMR CD-777 SE
Continuous Calibration Multibit DAC
Uses AMR’s CCMD architecture with the Philips UDA1305AT multibit chipset, described by AMR as the successor spirit to the TDA1541A.
OptiSample® Bit-Perfect Modes
Direct Master I and II preserve the signal without artificial manipulation, with oversampling and upsampling also available.
OptiUSB® / OptiCompuAudio®
Allows the CD-777 SE to operate with computer-based audio through USB or S/PDIF without a commensurate rise in jitter.
OptiValve® Analogue Stage
A zero-negative-feedback valve analogue stage using 6H1n-EV valves gives the CD-777 SE its organic presentation.
OptiDrive® Transport
An in-house transport with Sony K-series laser pickup, Philips CD-18 servo system, high-torque direct-drive motor, and bespoke software.
Premium Component Platform
Includes silver leaf capacitors, Sanyo Oscon capacitors, precision resistors, gold-plated military-grade PCBs, and Schottky rectifiers.
A different league of CD playback
The CD-777 SE brings bit-perfect CD replay, USB and S/PDIF digital flexibility, and AMR’s valve analogue stage into a compact high-performance source.
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Craftsmanship
Compact form. Multibit heart. Valve soul.
The CD-777 SE uses AMR’s compact reference architecture: bespoke transport engineering, premium digital clocking, continuous calibration multibit conversion, and a valve analogue stage. It is designed to revive the musical quality of compact disc while also integrating modern digital-source flexibility.
Compact disc. Expanded possibility.
The CD-777 SE plays CDs, receives digital audio, and outputs digital signal while preserving AMR’s multibit and valve philosophy.
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Read.
OptiDrive® transport.
The proprietary AMR top-loading transport extracts disc data with mechanical stability and bespoke control software.
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Receive.
USB and S/PDIF input.
OptiUSB® allows the CD-777 SE to operate as a DAC for computer or external digital sources.
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Convert.
Continuous calibration multibit.
The Philips UDA1305AT multibit chipset is used within AMR’s calibrated digital architecture.
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Express.
Zero-feedback valve output.
The OptiValve® stage completes the signal with organic flow and analogue naturalness.
Technical Excellence
Bit-perfect modes. Valve output. Digital flexibility.
The CD-777 SE offers Direct Master, oversampling, and upsampling modes, USB and S/PDIF digital input, S/PDIF output, RCA and XLR analogue output, and NOS valve amplification.
192kHz
Upsampling Mode
>100dB
Signal-to-Noise
<0.3%
THD+N
11.5kg
Net Weight
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A CD player with digital reach
The CD-777 SE can operate as a CD processor, DAC, or digital transport.
Valve output for organic playback
The OptiValve® stage gives the CD-777 SE its natural, vinyl-like musical character.
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Compact size. Serious performance.
Premium parts and AMR’s multibit digital architecture elevate the CD-777 SE beyond ordinary compact disc playback.
Specifications - AMR CD-777 SE
- Configuration
- Compact Disk Processor
- Transport
- Top-loading proprietary AMR transport
- DAC Architecture
- AMR Continuous Calibration Multibit DAC with Philips UDA1305AT
- Operation Modes
- Direct Master I, Direct Master II, Oversampling 2×, Oversampling 4×, Upsampling 96kHz, Upsampling 192kHz
- Digital Inputs
- 1× USB, 1× S/PDIF shared
- Digital Outputs
- 1× S/PDIF
- Analogue Outputs
- 1× RCA, 1× XLR per channel
- Valves
- 2× GE 5670 NOS amplification stage
- Output Voltage
- >2V digital full scale
- Frequency Response
- 20Hz – 20kHz +0.0 / -0.5dB
- Signal-to-Noise
- >100dB A-weighted
- THD+N
- <0.3%
- Dynamic Range
- >90dB
- Colour
- Silver or Black
- Dimensions
- 45 × 12 × 37cm
- Weight
- 11.5kg net / 15.5kg shipped
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