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Quad 606

Request the Quad 606 brochure
Download the Quad 606 schematic
Download the Quad 606 owners manual
Download the Quad 606 service manual


General information[contribute]

The Quad 606 is a power amplifier in the solid state amplifier category. It was manufactured from 1986 to 1997.

Quad 606 power amplifier. 27.700 units sold.

michael mcnamara (June 10, 2005): The article about the Nextel coating does have a image and this is shown with the unit switched on with a blue indicator
Regards Michael

Steve (July 12, 2011): There are a few big differences between a 606 and an 606 Mk2, mostly internal. The internals are much bigger ( 3 times the size ) Caps 15,000 in lieu of 6,800 Caps and a large toridial transformer in lieu of a C core, plus the MK2 has a wider bandwidth and more grunt.

To tell the difference from the outside, have a look at the top of the Mk2. It has bevelled edges instead of straight edges.


michael mcnamara (June 10, 2005): This model I own is a result of a refurbishment. For anyone who is intrested I carried out some research on the exterior coating of this model. Many owners in the know think this is a Nextel coating well in fact it is a substitute due to the cost of it and I know Mission had products coated in Nextel.Well my amp looked a little worn so I got it sprayed in the genuine article Nextel in a Darker colour of Anthracite code S139 which I have on good authority will last the life of the amp given proper care.If this intrests anybody at all then feel free to get i touch
Regards Michael

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