Tube Preamp Reviews

Description: Tube preamplifier with built-in/optional internal moving-coil transformer stage. Unit can be ordered as a line model (L) or a phono model (P) set up for either moving-coil or moving-magnet cartridges. Inputs: five single-ended line level, one phono (either MC or MM), Tuner, Video, Tape 1, Tape 2, CD. Outputs: single-ended main out, buffered tape out. Frequency response: 5Hz–50kHz, ±1dB, line; ±0.25dB, phono. RIAA accuracy: ±0.25dB. S/N Ratio (A-weighted): 85dB (line), 80dB (phono). Distortion (THD): !x0.1%. Input impedance: 47k ohms, line; 47k ohms, phono. Output impedance: not given. Gain: 16dB (modifiable by importer to 22dB or 28dB), line; 40dB, MM phono; 60dB, MC phono. IHF input sensitivity: 200mV, line; 3mV, MM phono; 0.3mV, MC phono. Maximum input to phono stage: not given. Power consumption: not given.
Dimensions (with feet): front panel: 19" (475mm) W by 31/2" (87.5mm) H by 131/2" (338mm) D. Shipping weight: 16 lbs (7kg).
Serial number of unit reviewed: 369203.
Price: $2495, line stage; $3495 with MM/MC phono stage. Approximate number of dealers: 7 (1995); no longer available (2007).
Manufacturer: Woodside Electronics, Weston-Super Mare, Avon, England (1994); Woodside Electronics, Llanbedrog, Pwllheli, North Wales (2004); no longer trading (2007). US Importer: Pro Audio, Barrington, IL 60010 (1994). Not distributed (2007). Web: tech.groups.yahoo.com/group/radford/ .