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Chorlton Analogue

Quad II Monoblock Valve Power Amplifier KT66 Spares Repairs x2

Quad II Monoblock Valve Power Amplifier KT66 Spares Repairs x2

Now sold

Sold 31 May 2026

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Quantity

Quad II monoblock valve power amplifier, spares/repairs only. Tar seepage from mains transformer noted; briefly play tested. Tung-Sol KT66 valves and original boxes included. 2x Quad II amplifiers, for pics of the other one see the other listing. Listing made for micdow27 to combine shipping.

Specifications

  • Audio Inputs: 1
  • Colour: Lancaster Grey
  • Features: Class A push-pull,paraphase circuit, cathode-coupled output stage
  • Number of Channels: 1
  • Number of Inputs: 1
  • Power: 15W into 8 ohms
  • Supported Modes: Mono
  • Year Manufactured: 1950s
  • Power Output (W): 15W into 8 ohms
  • Mains Voltage: 240V

Condition

Good cosmetic condition (see photos). Will require service before use.

Included

  • Original box for amplifier
  • A power cable is NOT included.

Restoration

  • Last professionally serviced by Servicesound in 2015.
  • One modern electrolytic capacitor replacement fitted during service (visible internally).
  • Non-original blue terminal/tagboard strip fitted at speaker output — a service modification.

Brand & history

The Quad II was manufactured by The Acoustical Manufacturing Co. Ltd in Huntingdon, England.

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