Pair of Restored Quad II Valve Monoblock Amplifiers – Classic British Audio Mastery Offered here is a beautifully restored pair of Quad II monoblock amplifiers, the legendary valve power amps designed by Peter Walker of Quad Electroacoustics in the 1950s. Revered by audiophiles and collectors alike, the Quad II remains one of the most musically engaging and enduring valve amplifiers ever built. Each amplifier has been professionally restored to ensure reliability and performance while retaining its original sonic character. The distinctive design uses KT66 output valves, EF86 pentode drivers, and a GZ32 rectifier, delivering approximately 15 watts per channel of pure, sweet Class-A valve power — ideal for efficient loudspeakers and vintage systems. The tubes are used and are considered a gift as they dobt travel well although we will do our best to ensure their safty we are not responsible for them. Technical Specifications: Model: Quad II Valve Monoblock Amplifier (set of 2) Power Output: 15W RMS per channel Valves: 2 × KT66, 1 × EF86, 1 × GZ32 (per unit) Frequency Response: 20Hz – 20kHz ±1dB Input Sensitivity: 1.4V for full output Input Impedance: 100kΩ Speaker Output: 4, 8, and 16 Ohms (selectable) Era of Manufacture: Circa 1953–1967 Country of Origin: Huntingdon, England Condition: Fully restored and tested — all capacitors, resistors, and connectors checked or replaced where necessary. Original transformers retained. Chassis refinished to a high standard. These units are plug-and-play and ready to deliver that unmistakable warm, holographic Quad valve sound. A rare opportunity to own a matched and restored pair of these iconic amplifiers — a true cornerstone of vintage hi-fi history. The transformers are original and the caps have been upgraded. Please see the detailed photos supplied they form part of the description of the set. Please know they are tested and are working and leave here as such. We are not responsible for damage during shipping. We pack with our custom double box and bubble wrap system and we pack for the safety of the item not for economy.