Rabljeni proizvod - - AUDIO RESEARCH PH-9 gramofonsko pretpojacalo
Cijena: 5.500 €
Audio Reseach PH-9 cijevno gramofonsko pretpojacalo, aktualan model, mint stanje sa tvornickom ambalazom.
Cijena 5.500 eura.
The Audio Research PH9 is a high-performance, vacuum-tube phono preamplifier featuring a hybrid topology, remote-controlled impedance loading, and a microprocessor-aided interface. It uses three 6H30 vacuum tubes in the signal path, along with a 6550WE and another 6H30 in the regulated power supply. [1, 2]
Key Technical Specifications:
- Gain: 55 dB at 1 kHz
- Input Impedance: Selectable (100, 200, 500, 1,000, and 47,000 Ohms)
- Output Impedance: 200 ohms (Recommended load: 50k-100k Ohms)
- Frequency Response: ± 0.2 dB of RIAA, 5 Hz to 20 kHz; 1 dB points below 0.3 Hz and above 80 kHz
- Distortion: Less than 0.015% at 3V RMS 1 kHz output
- Maximum Input: 80 mV RMS at 1 kHz
- Tube Complement: (3) 6H30P dual triodes in the audio stage; (1) 6550WE and (1) 6H30P in the power supply
- Weight: 15.4 lbs (7 kg)




