Check out the third article in the musical equipment section of this website which covers the Brian May Deacy Amp replica made by Knight Audio Technologies (KAT):
https://dsgb.net/gear/deacyamp/
It contains the original pictures shown below, technical specifications for the amplifier, hyperlinks and four embedded YouTube videos, including Jamie Humphries‘ review for Guitar Interactive magazine and some demonstrations recorded by Martin Pitcher at the 2018 and 2019 Brian May Red Special enthusiast meets.
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