Conrad-Johnson PF-1 preamplifier Specifications
Description: FET-based, full-function preamplifier: Input impedance: 47k ohms in parallel with 260pF (phono); 31k ohms in parallel with 100pF (line). Input sensitivity (for 500mV output): 0.48mV (phono); 50mV (line). Overall gain: 60dB (phono); 20dB, phase-inverting (line). Output impedance: 160 ohms.
Dimensions; 19" W by 3.5" H by 13.2" D.
Serial number of unit tested: 300100J.
Price: $1295 (1990); no longer available (2011). Approximate number of dealers: 100.
Manufacturer: Conrad-Johnson Design, 12733 Merrilee Drive, Fairfax, VA 22031. Tel: (703) 698-8581. Fax: (703) 560-5360. Web: www.conradjohnson.com.