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General| Type | Phono preamplifier |
|---|---|
| Input Impedance | 47kΩ |
| Input capacitance | 100pF |
| Output Impedance | 100 Ohms |
| Gain | 40dB |
Details the design, features, and performance goals of the Cambridge Audio azur phono pre-amplifier.
Covers precautions for liquid exposure, cable routing, cleaning, and user serviceability.
Connects moving coil cartridges to the 640P model, specifying loading and sensitivity.
Connects moving magnet cartridges, specifying loading and sensitivity.
Connects the turntable's grounding lead for shielding and noise reduction.
Switch to select between MM and MC cartridge types on the 640P model.
Filters out low-frequency rumble from vinyl records on the 640P model.
Connects the pre-amplifier to the main amplifier's line-level input.
Connects the power supply unit (PSU) and notes the unit's permanent power design.
Troubleshooting steps for when the unit does not power on.
Troubleshooting steps for when there is no audio output from the unit.
Troubleshooting steps for audio issues affecting only one channel.
Troubleshooting steps for identifying and resolving buzzing or humming noises.
Troubleshooting steps for incorrect volume levels, often due to cartridge mismatch.
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