22/12/2014
 
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  Audio Research SP9 MkII  
Modello Audio Research SP9 MkII

Descrizione Preamplificatore a valvole con ingresso phono

Caratteristiche tecniche:

Frequency response:
High Level Section: ±.5dB, 5 Hz to 50 kHz, - 3dB points below 1 Hz and above 200kHz.

Phono: ±.3dB of RIAA, 30Hz to 40kHz.

Distortion (THD): Less than 0.1% at 2V RMS output.

Noise & hum:
High Level: More than 100dB below 1 V RMS input (less than 7µV equivalent input noise)
Phono: 78dB below 1 mV input.

Gain:
Phono input to tape output: 46dB
Phono input to main output: 67dB
High level inputs to tape output: 0dB
High level inputs to main output: 21dB
CD input to main output: 9 dB

Input impedance:
50 k ohms line inputs
47 K phono (Phono provisions for any value below 47K ohms or added input capacitance for matching certain magnetic cartridges)

Output impedance:
250 ohms main output
850 ohms recorder output

Maximum inputs:
Phono, 200 mv at 1kHz (1000 mv RMS, 10kHz)
High level inputs essentially overload proof
Rated outputs:
2 V RMS 5 kHz to 50 kHz, all out-puts;
60k ohm load (main output capability is 50 V RMS output at 0.5% THD at 1 kHz into a 100K ohm load with 5V RMS high level input)

Power supplies Electronically–regulated low and high voltage supplies and electronic decoupling. Shielded toroid transformer.
Line Regulation better than .01%.

Tube complement:(2) 6922

Power requirements:
200-270 VAC 50/60Hz (55 watts max)

Dimensions:
48 cm (W) x 13.4 cm (H) x 26 cm (D)

Weight: 5.5 kg

Marca Audio Research
Prezzo Euro 1.100,00
 
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