Stereo RIAA Equalizer Preamplifier
Clarinet's PHONO is a sophisticated three-stage active RIAA equalizer circuit featuring the our favourit 12AY7/6072 tube. With a gain of 35dB at a standard input impedance of 47kOhm, it seamlessly accommodates MM cartridges, high-output MC cartridges or low-output MCs paired with a step-up transformer.
Key Features
Pure Class-A operation
Single ended circuit topology
Valve rectification
Fully hardwired structure utilise premium silver wire for both signal and PSU sections
In-house constructed silver lead-out wired resistors
In-house made transformers and chokes
Highest-grade silver capacitors
Highest-grade solid silver input / output connectors
Hand-assembled
Technical specifications
RIAA Equalisation: 20Hz - 20kHz (±0.5dB)
Gain: 35dB
Noise: < 1.5mV
Input impedance: 47kΩ
Inputs: 1x RCA (unbalanced)
Outputs: 1x RCA (unbalanced)
Vacuum tubes:
• 4x 12AY7 / 6072A
• 1x EZ81 / 6CA4
Power consumption: 15 W
Dimensions (W,H,D): 320 x 174 x 470 mm
Weight: 14kg
