Nagra HD Phono

Experience the pinnacle of analog playback with the Nagra HD PHONO, a no-compromise phono preamplifier engineered for the most demanding audiophiles. Designed with cutting-edge transformer technology, pure Class A tube stages, and precision Swiss craftsmanship, the HD PHONO delivers exceptional musicality, dynamic range, and ultra-low noise performance. 

Key Features

Dual-Mono Pure Class A Tube Design
Built with 100% tube stages in a dual-mono configuration, the HD PHONO ensures maximum channel separation, tonal purity, and lifelike sound reproduction. 

Fourth-Generation Input Transformers (26 dB Gain)
Custom, hand-wound transformers feature cryogenically treated cobalt cores for enhanced bandwidth, precision, and sonic transparency. 

Remote-Controlled Cartridge Loading (10–390 Ω)
Fine-tune your system with ultra-precise impedance adjustment in 5-ohm steps optimized directly from your listening position. 

Ultra-High Gain & Dynamic Performance
Achieve up to 68.5 dB total gain with adjustable settings, delivering powerful, detailed playback across all cartridge types. 

Separate Power Supply with Supercapacitor Module
Dedicated external power supply ensures extremely low noise and stable, high-current delivery for uncompromised performance. 

Advanced Vibration Isolation Chassis
Dual-chassis construction with damped platforms and isolator towers minimizes vibration for superior sonic accuracy. 

Precision Control & Versatility

• Multiple EQ curves: RIAA, TELDEC, NAB, VICTOR EUR, VICTOR USA 
• Inputs: 2 x MC (RCA), 1 x MM (RCA), optional input module 
• Stereo and mono cartridge modes 
• Remote automation and system integration capability 

Technical Specifications

• Maximum Gain: 68.5 dB (adjustable ±6 dB) 
• Frequency Response: 10 Hz – 100 kHz (+1.5 / –2 dB) 
• Signal-to-Noise Ratio: 80 dB 
• Dynamic Range: >150 dB 
• Output Impedance: <500 Ω 

Tube Complement: 4x EF806S, 2x E88CC