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.

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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
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  • Input Impedance: Selectable (100, 200, 500, 1,000, and 47,000 Ohms)
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  • Output Impedance: 200 ohms (Recommended load: 50k-100k Ohms)
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  • Frequency Response: ± 0.2 dB of RIAA, 5 Hz to 20 kHz; 1 dB points below 0.3 Hz and above 80 kHz
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  • Distortion: Less than 0.015% at 3V RMS 1 kHz output
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  • Maximum Input: 80 mV RMS at 1 kHz
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  • Tube Complement: (3) 6H30P dual triodes in the audio stage; (1) 6550WE and (1) 6H30P in the power supply
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  • Weight: 15.4 lbs (7 kg) 

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