Audio Research SP6B

• All-tube stereo preamplifier with MM phono section
• Frequency response:
  • High-level: ± 0.25 dB, 10 Hz to 30 kHz
  • Phono: ± 1 dB of RIAA from 30 Hz to 15 kHz
• Impedance
  • Input: 50 kOhms
  • Output: 500 Ω at 1 kHz
• Distortion (THD): less than 0.03% at 5 V RMS

General

• Dimensions (W x H x D): 26 x 13.40 x 48 cm
• Weight: 10 kg