Cambridge 551p phono preamplifier

The 551P works with all popular turntables that use a Moving Magnet cartridge (the stylus or needle). For a high-end audiophile turntable with a Moving Coil cartridge see the Azur 651P premium phono stage which works with both types.


Max power consumption5W
Gain @ 1kHz39dB
Input impedance47kOhm
Input capacitance220pF
Nominal output300mV
Sensitivity for nominal output3.35mV
Overload margin>30dB
THD20Hz – 20kHz <0.009% RIAA curve accuracy< +/-0.65dB 25Hz-20kHz Signal to noise ratio>85dB (using Audio Precision RIAA-1 with grounded inputs)
Crosstalk @ 20kHz>76dB
ColourBlack or silver
Dimensions (WxHxD)46 x 215 x 133mm (1.8 x 8.5 x 5.2”)
Weight0.8Kg (1.8lbs)

Interested in checking this out in person or have some questions?

Drop Paul Frecker Audio a line at (709) 834 7273 or email