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info    updated 13/6/2010

QSC Audio

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/QSC+Audio

Quantum

Amps available in 1980s.

More recently a brand name used by Hughes and Kettner for a range of Bass Combos.

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Quantum

Quidley Amps

22 Watt amps made in Wilmington, North Carolina, by Ed Quidley

The first commercial Quidley amp was built in June 2006.
All of the amps have been made in my shop in Wilmington, North Carolina, USA.
Dating Quidley Amps

The serial number is located above the power input and can easily identify what year (first digit). The following numbers are the sequential production numbers for each chassis. I have records for all amps produced and can provide exact production dates if needed. Each chassis is also signed and dated inside as well
[Source: Ed Quidley, email 24/9/2009]

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Quidley+Amps

Quinn

Vancouver, Washington USA

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Quinn