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Vintage style Treble Booster, one of the secret ingredients for legendary sounds heard by Eric Clapton in John Mayalls Bluesbreakers, Rory Gallagher, Brian May and Tony Iommi.

Built from the greatest parts available (and some that are not !), tropical fish capacitors and carbon comp resistors for pure vintage sound !

The transistor choice is crucial for the Rooster, therefore we searched and found the best and extremely rare germanium transistors ever made : the CV7003, military-spec OC44 germanium transistors. The CV7003 is extremely consistent as well as heat-resistant. Each individual transistor is measured for gain and leakage and then matched through sound audition.

Playing with the guitar volume, you can achieve many sounds, from clean crunchy tone, to fat boosted overdrive! Also, a lifesaver when in a dead-sounding-amp situation, where you can use it in front of the amps input constantly on, to liven-up the amps sound!


  • True-Bypass
  • Controls : Level , treble/mid/bass toggle switch
  • It works with a 9V battery or 9V boss-type DC adaptor.
  • Dimensions : 111 x 60 x 32 mm
  • Limited Life-time warranty!

Powering the Rooster :

  1. Using a battery (recommended): It is best to use a regular 9v battery (not alkaline or lithium) as it looses its power gradually making the pedal sound warmer! If you want to have your pedal mounted on a pedal board and keep it plugged in at all times without draining the batterys life, you can use the small DC plug provided on the power jack, everytime youre not playing.
  2. 9v Boss-type power supply (tip negative): *Caution : this circuit uses positive ground. Therefore you cannot connect this pedal to any type of chained power supply linked with other common DC-powered pedals, unless the power supply unit features separate isolated DC outputs, into which you can plug the Rooster.
  3. The 3rd option is to use a 9v chained power supply (eg 1spot), but you will need the positive ground adaptor. It uses only 5mA of power when ON and barely any power when off (under 0.2mA!) so the battery will last hundreds of hours !

Product Specs

Brand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
Brand JAM Pedals
Model Rooster Treble Booster
Categories Overdrive and Boost
Year 2013

Accepted Payment Methods

Shipping Policy

Ships from Albany, OR, United States to:

Continental U.S.
Everywhere Else

Shipping Policy

RGS will ship completed orders Monday-Friday. Orders placed and paid before 9:00am PST will ship that same day. All completed orders after the cutoff time will ship the following business day.
RGS does not ship on Saturday or Sunday.

Please note that during the holidays we experience a increase in traffic and purchasing and we do out best to fulfill orders as fast as we can. We appreciate your patience and wish you a happy holiday!

Free Domestic Shipping on Every item.

Voodoo Lab products do not ship internationally

Tax Policies

Taxes are charged in the following regions either by the seller, per their tax policy, or by Reverb as a Marketplace Facilitator:

District of Columbia*
New Jersey*
New Mexico*
New York*
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Rhode Island*
South Carolina*
South Dakota*
West Virginia*
*Marketplace Facilitator State. Reverb collects tax on the sellers behalf. Learn More

Return Policy

Return Window

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.
Message Seller

Rogue Guitar Shop

Albany, OR, United States
Joined: May 2013

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JAM Pedals Rooster LTD Treble Booster
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