Bryston 4B _Power amplifier

1978

Made in Peterborough, Ontario, Canada 

The original Bryston 4B is the first chapter of a legendary amplifier dynasty that remains in production today. Among enthusiasts, the first generation is especially sought after for its sonic character and its massive original transformer design, offering tremendous current delivery and reliability.

A true Canadian icon, the 4B was designed as a no-compromise amplifier equally at home in recording studios, broadcast facilities, concert venues, nightclubs, and high-end hi-fi systems. Its reputation for durability and clean power quickly made it an industry reference.

Sonically, the first-generation 4B is known for its authoritative bass, excellent dynamics, neutral balance, and effortless ability to drive virtually any loudspeaker. Powerful yet refined, it combines studio-grade accuracy with musicality, making it as comfortable in a critical monitoring environment as in a dedicated listening room.

Over the decades, Bryston amplifiers have powered countless recording studios, broadcast facilities, and legendary venues around the world, earning a reputation as one of the most reliable amplifier lines ever built.

DM for infos 

Specifications

• Power Output: 200 W/ch @ 8Ω

• Power Output: 400 W/ch @ 4Ω

• Bridged Mono: 800 W @ 8Ω

• Frequency Response: 20 Hz – 20 kHz (±0.1 dB)

• Damping Factor: >500

• Input Sensitivity: 1V

• Weight: approx. 42 lb (19 kg)