Quad II Classic Integrated Amplifier

Brand: Quad

Quad II Classic Integrated Amplifier

The Quad QII-Integrated evolves the QII into a fully integrated stereo amplifier for the very first time in a user-friendly, yet fully functional design. The preamp section delivers three line inputs, plus full tape monitoring. Every detail is engineered to the highest standard; even the built-in phono stage is of higher quality than many costly standalone devices, ensuring that every musical source, from vinyl to digital, is delivered with exceptional panache. It stays true to the original Quad II monoblocks in its push-pull KT66 output configuration and single-tap output transformers, yet it’s actually almost twice as powerful being rated at 25W per channel.

The Quad II Series is based on the original Quad II amplifier, originally created by Peter Walker in 1953. Not only are these some of the finest sounding valve pre/power combinations available to date, but the genuine heritage and craftsmanship of the original have been preserved in its exquisite styling. 2015 also sees the launch of our new Lancaster Grey finish.

The Quad II Series circuit design is the work of Tim de Paravicini, a man widely acknowledged to be the UK’s foremost valve amp designer. His design is faithful to Peter Walker’s Philosophy of cathode loading onto the same output stage and fundamental simplicity of design, ensuring the new amp delivers the same wealth of detail and exquisite tone as its famous predecessor.

With KT-66 output valves on the Classic Integrated / II Classic and KT-88 on the II-forty / II-eighty, the push-pull configuration is visually stunning, even when safely secured within the cage that protects them. The output characteristic is a superbly refined sound, matched with both classic and contemporary loudspeakers.

The amplifiers had to retain the retro look of its famous predecessor but with the transformer and power, amplifier sections blended into a modern compact design. It has an understated elegance which lies beneath its smooth curves and lustrous finish, referencing the time when vacuum tubes ruled the electronics industry and Peter Walker was considered by many to be the master of audiophile design.

All Quad products are expected to last a lifetime – even longer. Many Quad customers still derive immense pleasure listening to products built only fifty years ago. The new Quad II Classic Integrated amplifier is no exception, and with periodic servicing and a caring hand, you can expect its performance to continue for years to come.

The rekindled interest in 2 channel analogue hi-fi has been remarkable to witness. The popularity of vinyl has grown steadily over recent years and now represents a significant proportion amongst real music enthusiasts.

Deviating from the stand-alone power amplifiers and to cater for more compact setups is The Quad II Classic Integrated, which combines 4 x KT66, 4 x ECC88 and 2 x ECC8 valves with 3 line inputs, a phono input (both MM and MC) and even a tape/monitor function.

Product Specification:



4 x KT66; 4 x 12AX7; 2 x 6922EH

Input Sensitivity

275mV RMS (Line Level & Tape Monitor); 2mV RMS(MM); 200xV RMS(MC)

Output Power

25W per Channel into 8 Ohms


0.06% @ 15W(700Hz)

Hum and Noise

Better than -98dBA (ref 25W into 8½)

Frequency Response

20Hz - 20KHz (+0dB/-1dB)

Power Consumption

195W (max)

Dimension (H x W x D)

200 x 310 x 380mm

£0.00 £3,999.95
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