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Tom Evans Linear A MK3 Power Amplifier

Tom Evans Linear A MK3 Power Amplifier
Tom Evans Linear A MK3 Power AmplifierTom Evans Linear A MK3 Power AmplifierTom Evans Linear A MK3 Power Amplifier
(£6,662.50 Exc. VAT)

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01892 532 995

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  • Frequency Response: 12Hz to 90kHz-these are 0dB down points! Flat
  • Power: 25.2wpc Class A
  • Output Noise: 150dB down 700 microvolts (!) (not millivolts)
  • Output Impedance: 0.5 Ohm
  • Input Sensitivity: 7 millivolts
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Why buy from us?

Tom Evans Linear A Power Amplifier MK3

The Tom Evans Linear A and Linear B amplifiers are truly revolutionary, ground-breaking designs.

Both the Linear A stereo amp, and the Linear B monoblock amps are ultra-wide bandwidth designs with vanishingly low levels of distortion. More importantly, unlike some other amps with those same two qualities, these amps are incredibly involving and a joy to listen to.

The Linear A is a hybrid, single ended, Class A, ultra-linear stereo amp with a power rating of 25WPC. Four EL84 tubes per side, in parallel, create a composite tube with characteristics almost identical to the legendary Japanese No.10 tube. The amp measures as an almost perfect model triode, promising to deliver the often sought but rarely realized linearity benefits of triode topology without it's usual limitations.

Paired with an appropriate speaker (recommended loudspeaker sensitivity of 87 dB or higher), this amp can do it all in a way nothing else in our experience has ever been able to do; luscious midrange combined with rarely realized frequency extension. The absence of distortion has to be (not) heard to be fully understood.

The clarity and detail retrieval are astonishing, but not at the expense of musicality. It's a combination of qualities we have never heard outside of the two Tom Evans amps. We invite and welcome comparison with any amp in the world, at any price.

This really will bring your recorded music to life!

The new Mk3 power amps both have 'user variable feedback' a multi position switch sited on the rear of the amps just below the bespoke 'purest' Copper binding posts. Both amp designs have a low enough output impedance when switched to zero feedback to drive a range of impedances that will cover and drive pretty much all speaker designs.

Used in this way they will provide the listener with an accurate reproduction of the recorded event but without the usual dynamic compression and loss of finer detail caused by feedback itself. Both designs will also match the varying impedance of your loudspeakers across frequency assuring a flat in room frequency response (unlike all transistor power amp output stages!).

Shipping typically 2-3 weeks

Type: EL84 triode stereo power amplifier
Analogue input: RCA
Analogue outputs: copper binding posts
Power output: 25W/8 Ohms
Frequency response: 10 Hz-130 kHz (1W), 10 Hz- 23 kHz (full power )
Sensitivity: 560mV (zero feedback)
Gain: not specified
Distortion: input / driver stages intermodulation distortion: -150 dB
Signal to Noise Ratio: >-90dB
Dimensions (HxWxD): 260 x 475 x 325mm
Shipping weight: 38kg
Warranty: 5 years

UK Delivery

  • FREE delivery via DPD Local By 12pm on orders to value over £300, including one hour delivery window service 'Predict & Follow My Parcel'.
  • Royal Mail Special Delivery By 1pm costs between £5.00 - £10.00 on orders to value under £300, dependent on weight.
  • Saturday or Sunday delivery available upon request for supplemental charge.

EU Delivery

  • £25 delivery charge 'Flat Fee' via DHL Europe by Road service (5-7 days) which provides comprehensive tracking of shipments online.
  • £50 delivery charge 'Flat Fee' via DHL Europe by Air service  (2-3 days) which provides comprehensive tracking of shipments online.
    Receiver is responsible for the payment of local Duties and Taxes.

USA & Canada Delivery

  • Services based on your order being shipped to the U.S. and Canada are calculated as follows:
    £100 delivery charge 'Flat Fee' via DHL international 'Day Definite' service per parcel.
    Receiver is responsible for the payment of local Duties and Taxes.


  • Not all products are available for order into Europe, USA & Canada


  • Full manufacturer's warranty on all new purchases. Standard warranty is typically 12 months to 2 years with some goods coming with 6 years manufacturer's warranty.
  • Goods purchased in UK and EU are covered by the Consumer Contracts Regulations.

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