Rift Amplification PR18 Brownface Circuit 1x12 Valve Combo Elgitarr and ‘Q’ changes the resonance

and ‘Q’ changes the resonance of the filter from low to high

for example

Output buffer preserves tone even with long cable run to amp

On the Cover: Stompbox City

Rift Amplification PR18 Brownface Circuit 1x12 Valve Combo Elgitarr and ‘Q’ changes the resonanceBuilt in Reverb & Tremolo. The PR18 is a 1960's California style valve combo from Rift Amplification. This is the ultimate amp for valve purists who value natural overdrive and vintage reverb and tremolos. Break out the sunglasses and hair wax. Blackface, Brownface & Tweed Circuits Leo Fender first popularised blackface and tweed circuits in the 1950's. The former has a chimey, full frequency range that won't overdrive until higher volumes, while the