franzbassist Posted August 31, 2017 Posted August 31, 2017 (edited) This is a clone of the F-Deck HPF (High Pass Filter) Pre, made by 4114 effects here in the UK. I bought it to tame the low end rumble on my double bass, and it performed flawlessly the one time I gigged with it. I'm only selling as I am switching to a new Bassbone OD for live work, which has HPF built in. I believe the frequency sweep is 35 hz to 140 hz, and it also has a volume control and phase switch. Please note that the unit needs to be powered by 9V DC: there is no provision for connection to a battery. It has heavy duty velcro fitted to the bottom. Cost me £95 two months ago and in mint condition, so this saves a little on a new one Edited August 31, 2017 by walbassist
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