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Sugden Masterclass PA-4 Phono Stage
Vinyl is a passion for some people and that includes the designers at Sugden Audio. It is capable of the very finest musical experience creating a unique presence and atmosphere. The PA-4 is one of the most rewarding phono amplifiers available at real world prices helping you to enjoy your prized record collection for years to come. The PA-4 comes fully loaded with two MC inputs, an MM input and infinite loading options as it can be factory set to match your cartridge exactly.
Vinyl is a passion for some people and that includes the designers at Sugden Audio. It is capable of the very finest musical experience creating a unique presence and atmosphere. The PA-4 is one of the most rewarding phono amplifiers available at real world prices helping you to enjoy your prized record collection for years to come. The PA-4 comes fully loaded with two MC inputs, an MM input and infinite loading options as it can be factory set to match your cartridge exactly.
The moving coil stage is a Class ‘A’ current feedback circuit and the moving magnet amplifier a Class ‘A’ voltage feedback circuit incorporating the RIAA correction in the negative feedback loop. DC servo circuits enable direct coupling of the musical signal from moving coil input to final output. The power supply, which Sugden considers an integral part of the amplifier circuitry, is a ‘current shunt’ design with a specially designed voltage regulator to prevent rising impedance with higher frequencies. Constructed with components of exceptional quality, hand assembled on long-term stability gold plated circuit boards; the resultant performance is a phono stage of absolute transparency and natural sound.
About the Masterclass Series
The award winning Masterclass series has been in continuous production for over seventeen years. During this time the family has grown and benefited from significant improvements and upgrades. Recent arrivals include an entry level power amplifier, digital converter and headphone pre-amplifier. Like all Sugden products each Masterclass is handmade at our factory in Yorkshire, England by a single highly skilled technician with many years experience.
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Inputs: Two moving coil, moving magnet
Outputs: Two line level
Loading: MC1 and MC2
Front Panel Controls: MC1, MC2, MM selector, standby, input indicator
Output: 360mV
Input Sensitivity: Moving magnet 3.5mV — Moving coil 0.15mV
Loading: Moving magnet 57K — Moving coil 470 & 100 Ohms
Frequency Response: +/-0.3dB 30Hz-30kHz
Signal to Noise: >70dB
Gross Weight (packed): 6kgs
Dimensions: 110 x 430 x 330mm (hwd)
The manufacturer reserves the right to change specifications without notice.
