Keeley Electronics Java Boost Treble Gain Booster Pedal

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Price: $219.00    

Product Feature

• Germanium Based Treble Booster

Product Description

The Java Boost is a germanium based TREBLE BOOSTER, it is not a clean boost. It is designed to give you classic tones from the 60's and 70's, and man does it ever!!! It must be used with a cranked amp that is overdriven or distorting a bit already. The more the amp and pedal are cranked, the more the creamy, beautiful, sustaining distortion there will be. What makes this pedal kill of the hill is that it has the REAL DEAL, no joke Mullard OC44. Yup, Made in Holland. Please order soon as this will be a limited edition pedal. Looking for the Ultimate in Boosters? The Perfect Boost for your main overdrive pedal? From Surf to Fuzz, the best cutting and biting tone from a pedal! Check out for web site dedicated to this tone master. Some people may be a little unsure about the Java Boost. It is NOT AT ALL related to the TS9 or Blues Driver, or any other distortion or overdrive pedal. Boss and Ibanez do not make anything like it! It is a Treble Booster by design, not a typical overdrive or distortion pedal. That means, the higher the note played, the more it gets amplified... and then, by your amp, distorted. Bass Notes get Cut in two of the modes on the Java Boost! It is most widely used with a tube amp set to a bit of overdrive or clipping. That is the key to getting a great sound from this pedal. For example, setting the java boost infront of a very clean amp with the volume on 1-2 will surely result in a fairly weak guitar tone.

Keeley Electronics Java Boost Treble Gain Booster Pedal Review

I just got this several days ago and tried it with my telecaster into a 71' blackfaced Pro Reverb. The pedal has a tone knob that cuts highs, and a level knob for output volume. There is a three position switch that is mid boost, high boost, and full range boost. Set for high boost it is the Dallas Rangemaster treble boost circuit. In the high or mid boost it cuts a little bit of bass from your tone but kicks up your highs or mids(depending on the switch)probably 5db or so. Full range probably the same but everything is boosted so no bass loss. What is cool to me is everything runs thru a NOS transistor that adds a grainy, very light distortion to your tone. This you can't adjust. You set your amp into just breaking up and step on this to get a kick in the frequency you selected, and use the level knob to load up your input gain. Running the output knob at 12:00 is a little boost and if you turn it way up your probably sending 25 or so db into your amp. It's not a distortion box on its own, just a kick in the pants of your guitar signal. I used to do the same basic idea with a Boss 7 band EQ. Kick up low/mids and add several db's of output level. With the Boss and TS 808 overdrive pedals out there, your buying somebody elses idea of what a good sound is, and some of those sound great. I have several of those pedals, but then so do a million other guitar players. This Java Boost does an adjustable volume boost, but adds the grainy, barely there sixties distortion. It fattened my tele rear pickup into a thick, but not dark sounding guitar. The circuit is from the mid sixties and rumor is Eric Clapton used one when he recorded the Bluesbreakers album. A vintage Rangemaster is well over $1000.00 if you could find one in working order. This is the same circuit, with some other boost options that don't alter the original treble boost design if it's in the treble boost option on the three way switch. I prefer the mid boost myself, but that was with the tele and the Pro Reverb. With my Les Paul and my JCM 800 I may run it totally different. My only other boost pedal on my board is a Nano LPB 1 by EH. They are only $40.00 so I'm not just buying expensive stuff to impress my friends. They are a great pedal also for kicking your amp. The Java just has its uses. Very pleased with it.

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