Keeley Mods BD-2 Freak Fuzz

The Robert Keely modded BD-2 Freak Fuzz pedal



Features:



Increased warmth with smooth mids and highs.



Robert
Keeley's Freak Fuzz mod of the Boss BD-2 distortion pedal delivers
slight assymetrical clipping for musical, second-order harmonic
distortion. At very high saturation levels it almost achieves an
octave-type effect.




The Freak Fuzz BD-2
includes Keeley's signature Phat switch, which gives your sound a mild
shot of low end to the low E and A strings of your guitar. Silver mica
capacitors in this mod reduce noise levels below what the stock BD-2
puts out. The Freak Fuzz BD-2 also has a Square Wave switch that cuts
out some filtering and allows more of its glorious fuzz tones shine
through.






Every component Keeley adds to
the BD-2 Freak Fuzz is of the highest quality. The parts added will
increase the warmth of the pedal and add tremendous response to your
playing. Film capacitors are used in the tone section to provide the
smoothest midrange and highs while increasing the bass response of the
pedal.




Inherent noise of the box has been
greatly reduced. With gain down all the way, the level acts as a clean
boost, very transparent. Start adding gain and she goes from mild crunch
to massive overdrive, flip the square wave filter off and all hell
breaks loose. With a tele driving my vintage traynor YGM-3, the sound
was awesome, very responsive to guitar volume and picking force. But I
am a bass player, and this box really lets the lows through. Especially
with the phat swith up, but even flat, the bass lows still punch
through. With bass it can sound much like the overdrive of my YBA-1
vintage traynor tube head, to a very biting fuzz drive. Think of the
bass on Zappa's Apostrophe. Honestly I am in the early stages of
experimentation but the profound difference between the stock blues
driver, and this Keeley mod, especially on bass, prompted this review.
Bass felt neutered through the stock BD, but really thumps under all the
distortion of the Keeley freak fuzz. Playing a fender Jazz and an
Alembic Epic through a vintage traynor YBA-1 and a single 15" EVM







This is quoted from Robert Keely:



The
BD-2 mod is extremely popular — we call it the BD-2 Freak Fuzz. Instead
of using the diodes typically used to create the distortion, we use
these Germanium transistors (AC-188) as diodes. We drill a whole in the
BD-2 and they fit in there perfectly. We use part of these to increase
the distortion. Cosmetics changes were added as well. We did a DS-1 MOD
for Steve Vai where it has the little flashing light that corresponds to
the Distortion. We liked the Cosmetics of this change so much that we
added it to the BD-2 and people think it’s the coolest thing visually.
Since day one we have also been adding a Bass response Boost to the BD-2
that increases the thickness of the bass. It’s not that the bass
response of the BD-2 is bad it’s just that some people have thinner
sounding systems than others. Not everyone has that luscious perfect
sounding Bass response and the Bass Boost compensates for what some rigs
might be lacking. On the left side of the pedal is a Gain Switch. I cut
out some of the capacitors that are used in the BD-2 to make it sound
less harsh and to reduce some of the gain. I toggle a capacitor value to
increase the "edge" and gain to the point of Fuzz. When the pedal is
cranked it's much like Santana's tone!


















THSS: www.music-blvd.com











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