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Overview
TheAM-777SEisacompact-classpre-mainamplifierbuiltaroundAMR'sOptiGain®FusionTechnology,combiningvalvevoltageamplificationwithnear-zerosolid-stateamplificationtodeliverpowerwiththemusicalityofthefinestsingle-endedvalveamplifiers.
Key Features
Defining characteristics
AMR AM-777 SE
OptiGain® Fusion Technology
A unique implementation of valve voltage amplification combined with a near-zero solid-state amplification stage.
OptiValve® Analogue Stage
A zero-negative-feedback valve stage using the 6H1n-EB valve for organic, natural musicality.
OptiUSB® Digital Input
Dedicated USB DAC architecture enables high-quality computer-audio playback with preserved signal integrity.
OptiLevel® Volume Control
Preserves dynamic range and low-level information across the full listening range while allowing level offset matching between sources.
OptiOperation® Flexibility
Can operate as a pre-main amplifier, power amplifier, bi-amplification platform, or monoblock system.
Premium Internal Components
Silver leaf capacitors, Oscon capacitors, military-grade PCBs, AMR Music Capacitors, and Schottky rectifiers throughout.
Valve finesse. Solid-state power.
The AM-777 SE combines thermionic valve voltage amplification with a near-zero solid-state amplification stage to produce music that is emotionally stirring while comfortably driving modern loudspeakers.
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Craftsmanship
OptiGain® Fusion. Valve musicality. Solid-state control.
The AM-777 SE uses silver leaf capacitors, Oscon capacitors, military-grade PCBs, AMR Music Capacitors, and Schottky rectifiers throughout - combining thermionic valve voltage amplification with near-zero solid-state power delivery.
Technical Excellence
Compact platform. Reference-grade architecture.
Derived from the flagship AM-77, the AM-777 SE delivers 60W FTC per channel in stereo, 120W in monoblock configuration, and flexible operation as pre-main, power amplifier, or bi-amp platform.
60W
FTC Power / Channel
120W
Monoblock Output
380VA
Custom Toroid Transformer
44,000uF
Power Supply Capacitance
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Specifications - AMR AM-777 SE
- Configuration
- Compact Class Pre-Main Amplifier
- Topology
- OptiGain® Fusion Technology
- Analogue Stage
- OptiValve® Zero Negative Feedback
- Valve
- GE5670 (NOS)
- Inputs
- 3× RCA, 1× XLR shared with RCA, 1× USB
- Outputs
- 1× RCA, 1× XLR per channel
- Volume Control
- -71dB – 0dB in 1dB steps
- Power Output
- 60W FTC / Channel (Stereo)
- Monoblock Output
- 120W FTC into 2Ω or 4Ω
- Frequency Response
- 10Hz – 30kHz (-1dB)
- Signal-to-Noise
- >100dB A-weighted
- THD+N
- <0.3%
- Output Impedance
- 0.33Ω
- Power Transformer
- 380VA Custom Toroid + 32VA Custom EI
- Power Supply Capacitance
- 44,000uF Total
- Operational Modes
- Pre-Main, Power Amplifier, Monoblock
- Colour
- Silver or Black
- Dimensions
- 45 × 12 × 37cm
- Weight
- 14kg net / 18kg shipped
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