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Gryphon Reference One Monoblocks - As Traded
Condition : Good, some marks and scratches (see photos)
Includes : Original Packing Crates, Power Cables
SN: 1066A / 1066B
Overview
The Gryphon Reference Monoblocks were meticulously designed to offer peak performance even with the most challenging speaker configurations. These amplifiers boast an uncompromising signal path with minimal negative feedback and utilize top-tier components, ensuring unmatched detail, transparency, dynamics, and commanding bass. With power output specifications of 150 watts into 8 Ohms at 1 kHz (Class A), 200 watts into 4 Ohms (Class A), and 1,200 watts (in Class A/B) into 1 Ohm, these amplifiers demand their own dedicated 20A circuit. Additionally, a convenient front-panel switch enables a 75% Class A mode suitable for low listening levels or efficient speakers. The back panel exclusively features balanced inputs for enhanced connectivity and signal integrity. Dual sets of speaker connectors facilitate bi-wiring, while the rear on/off switch ensures power supply readiness, complemented by the primary on/off control conveniently located on the front panel. The original Gryphon brochure, complete with specifications, is included.
Specifications
150w/ch 8 ohm Pure Class A
200w/ch 4 ohm Pure Class A
300w/ch 4 ohm Class AB
600w/ch 2 ohm Class AB
1,200w/ch 1 ohm Class AB
Frequency response : 10hz - 350khz
Power response : 10hz - 350khz
Input impedance : 10k
Output impedance : 0.03 Ohms
THD : 0.01% (1W @ 8ohms)
Shipping weight : 90Kg each
Bias selectable in three options : 25% / 75% / 100%
Voltage : 200-240 volts
Generating expert take…
Gryphon Audio Designs emerged from Denmark in 1985, founded by Flemming E. Rasmussen as a passionate offshoot of his distribution company, 2R Marketing. What began as a spare-time project—a compact, dual-mono phono preamplifier known as the Gryphon Head Amp—quickly gained acclaim after debuting at the 1986 Chicago Consumer Electronics Show. Japanese distributors snapped it up, and the audio press hailed it as a "Best Buy," propelling Rasmussen to establish Gryphon as a dedicated entity by the early 1990s, free from import distractions. The brand's name draws from the mythical gryphon, symbolizing the fusion of lion-like power and eagle-like grace in music reproduction.
Gryphon specializes in uncompromising high-end electronics, starting with its legendary class-A phono stages and evolving into high-power amplifiers, preamplifiers, and integrated systems. The company expanded into full-system solutions with the 2002 Cantata stand-mount speakers, followed by flagship models like the massive Poseidon in 2004. Today, its portfolio encompasses speakers, the groundbreaking Apollo turntable—a collaboration with Helmut Brinkmann and Ortofon—and even cables, ensuring every link in the audio chain aligns with Gryphon's neutral, optimized design philosophy.
Positioned firmly at the pinnacle of high-end audio, Gryphon commands respect among discerning audiophiles for its visionary engineering and sonic purity, often setting benchmarks since its inception as one of Europe's earliest true high-end pioneers. Rasmussen's team-driven approach yields products that prioritize musical essence over compromise, attracting buyers who demand reference-level performance in home systems.
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