This amplifier features a current damping circuit developed by QUAD, which functions as a pure Class A amplifier at low output levels. It perfectly balances Class A sound quality with Class AB efficiency. It pairs exceptionally well with British speakers like Tannoy, making it ideal for enjoying classical music. Recent service in August 2025, including drive transistor replacement, degraded capacitors, circuit pattern correction, and new welding of aged welded joints. We are located in Japan. For electrical products, check the manufacturer and product and convert to each country's voltage. Please note we have many second-hand products for sale.
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