17th June 2024:
The Brian May Fryer Treble Booster Plus pedal has been discontinued now for a few years.
The TB Plus is pictured below in the Brian May/Fryer Treble Booster brochure from 2008:
Brian May Fryer Treble Booster brochure 2008
In 2024, the sound of the Treble Booster Plus can be obtained by using position number 5 of the rotary switch ‘Range’ control of the Fryer Treble Booster Special.
The 6 position ‘Range’ control selects between 6 different ‘voices’ of the pedal, beginning from the left starting thinner in tone with less bottom end, and as the Range control is switched progressively to the right, becoming fatter and richer as each position is switched to.
Treble Booster Special:
Please see the Treble Booster Special page for more information and soundfiles:
Fryer Guitars 
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