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Sugden Masterclass FPA-4 Stereo Power Amplifier

 

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Found it cheaper? Click here. SKU: 7676
Ex VAT: 2537.5
£3,045.00

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Condition:Brand new in original retail packaging

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Features

Warranty length 2 Years
Brand Sugden

Tech Specs

- Input sensitivity: 1V (full output)
- Power output: 30W (8 ohms, 2 chan) 
- Freq response: (0dB): 18 – 95k Hz
- Bandwidth: (3dB) 10Hz – 125kHz
- Signal to noise ratio: >82dB
- Distortion: (@1W, 1kHz) <0.04%
- Dimensions (HWD): 143 x 430 x 350mm
- Net weight: 15kg

Product Description

Sugden Masterclass FPA-4 Stereo Power Amplifier is the latest addition to the Masterclass series. This pure A classified output power amplifier offers 30 watts for each channel.

Class A Output

The output stage boasts a classic Sugden single-ended design, which over many years has become synonymous with melodic gratification for thousands of astute music enthusiasts.

Connections

The amplifier features a Phono (RCA) stereo pair and a balanced input XLR stereo pair of connectors. Dual stereo speaker binding posts enable output for Spade, Bare wire or Speaker Jack terminations.

The Balanced Input is linked to left and right simulated transformer circuits to translate the data to single ended. This exploits the benefits of the balanced input which combines with the excellent unbalanced circuitry performance for greater musical potential.

Input Stage

The newly-designed input section of the amplifier was developed to improve the complete performance and further capitalise on the ability of the Class A output Stage. The result is similar to a great valve amplifier with low clipping and minimal internal overloads. The phase shift is also ultra-low at high frequencies for a very open, energetic and uncompressed sound stage.

Circuitry

FPA-4 profits from a comparator and rectification circuit, removing potential issues in the power stage caused by erratic loads and distortion, to match the production of the high impedance input amplifier. Whilst preserving authenticity, it also boosts the load constancy and constrains the output impedance to zero. Sugden Error Correction has a very low open loop yield resulting in a large damping factor at fairly high frequencies.

Coupling

The stereo power amplifier can be paired to any speakers via a ‘soft connection’ safety board. This inert signal transference board utilises low ‘on resistance’ MOSFETs which are timed on and off for silent connection to the speakers regardless of their sensitivity.

Performance

Like other Sugden Amplifiers, FPA-4 was planned and produced to deliver decisive musical fulfilment from the broad and diverse array of current music stowage and reproduction sources.

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