High Quality Audio Equipment

Sugden Masterclass LA-4

  • £4191.00
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  • Product Code: SALA-4

Sugden Masterclass LA-4 Pre Amplifier

The Sugden Masterclass LA-4 is a line level stereo pre-amplifier with authority, finesse and the capability to develop a sound stage with imaging, dimensional realism, and time/space elements in perfect harmony. The units primary function is ‘Simply More Music’ with a neutrality to allow end users to choose mating components and obtain customised performance.

The LA-4 was developed to complement the Sugden Masterclass Power Amplifiers and at its heart has dual mono, dc-coupled, Class A, current feed back gain stages. The gain stages are each powered by current shunt differential power supplies which enable the fastest transients and most powerful crescendos with true musical empathy.

The LA-4 has provision for stereo pairs of balanced inputs, four single ended RCA (phono) inputs, a By-Pass input, Input and output recording facility, two main pre-amp outputs and a balanced output.


This product is available to order only and delivery is approximately 4 weeks. Payment can be made in full at time of order by selecting Add to Basket and Buy alternatively contact us and we can take a deposit with the balance due 7 days before despatch.

Masterclass LA-4 Pre Amplifier


Inputs: Four line level, one tape input, one balanced input, bypass input

Outputs: Two line, fixed tape out, balance output

Volume Control: Motorised remote control RC5 compatible

Recording: Tape output defeat


Input sensitivity: 100mV for 1 volt out

Maximum output: 10 volts

Frequency response: +/-0.1dB 15Hz-30kHz

Bandwidth: -3dB points 6Hz-300kHz

Signal to noise: >90dB

Distortion: <0.006% @ 1kHz, 1 volt out

Nett weight: 7 kgs

Dimensions: 75mm x 430mm x 350mm (h x w x d)

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