BRZHIFI Preamplifier - Excellent Condition

Description

Used for sale This circuit is a tribute to the legendary Accuphase (Golden Voice) C-3850 preamp—a design truly worth building and experiencing. If crafted with care, the results far surpass standard preamplifiers, offering a sound that is more spacious, refined, and captivatingly warm. Its classic nature places it in a different league than typical vacuum tube or op-amp preamps, delivering a sonic richness that rivals high-end tube gear. Technical Architecture The core design utilizes op-amps for basic amplification, supplemented by discrete components to boost open-loop gain. It employs a dual voltage and current feedback system to minimize distortion. • Output Stage: Features original British ZTX450 and ZTX550 transistors. • Operating Mode: Pure Class A output, providing a lush, musical ”tube-like“ signature.