If you've got an old Marshall, or other push-pull, non-master volume amp, you already know it has to be cranked up very high to get overdriven tone. Unfortunately that also means very loud. With the PPIV (Post Phase Inverter) Master Volume kit, you can install a master volume that will allow you to achieve those overdriven tones at a much lower volume. This MV is based on Ken Fisher's Type II, with the LarMar refinement (safety resistors). It is also the most transparent when rotated fully clockwise (maxed, or "dimed"). All necessary components and a wiring diagram are included.
(1) Alpha 250K audio taper dual-ganged pot
(2) 2.2M 1/2 watt resistor
(3) feet two conductor coax cable
(2) foot 22GA Topcoat wire (for bias supply)
(1) Marshall set screw OR Chicken head knob (indicate in special instructions field)
(4) inches shrink tubing
(6) cable ties
Notes: Performing these modifications WILL void the warranty on your amplifier. Working on amps can be deadly if you do not take proper precautions. Follow the instructions very carefully. Basic soldering skills are required. If you are at all unsure of your ability to perform these modifications STOP and take your amp to a professional to be modified. You can also send your amp to us for modification. Contact us for pricing. *Standard shipping rates are shown. All our shipping vendors (USPS, FedEx, UPS) have recently increased their rates for International Shipping. The shipping calculator will charge a fixed price, and we will invoice you any difference before shipping the product. Granger Amplification LLC reserves the right to change or use multiple shipping methods when deemed more efficient.
PRICE: $16 + $7 S/H
Prices subject to change without notice. Orders already in progress are not subject to price changes. Granger Amplification reserves the right to make any product design changes without notice or obligation to incorporate these changes in products previously purchased.
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Productions. grangeramp.com is the website of Granger Amplification, a company that builds quality, custom amplifiers, one at a time, at very reasonable prices. Our focus is on producing all-tube, hand wired amplifiers based on proven designs such as vintage Marshall and Fender products, and other boutique amps, while charging a fair price. We also do kit building, modification, and repair work. We specialize in Plexi recreations, custom, boutique amp builds, and custom mods. All trademarks are owned by their respective companies and are only used herein for historical references. - guitar amplifier, amplifier, guitar, amp, amps, builder, for sale, fs, repair, mods, hand, wired, tone, custom amp, custom amps, amp mods, modifications, amplifier, handwired, point to point, tube, vacuum tube, valve amp, kit build, amp kits, made in usa, d18, e35, m45, m50, g50, cg50, lead overdrive 100, dragonfly, marshall, fender, jtm50, jmp, jcm, superlead, plexi, 15 watt, 18 watt, 35 watt, 36 watt, 45 watt, 50 watt, 100 watt, single ended, push pull, 5E3, bassman, matchless, trainwreck, express, epiphone valve junior, blackheart, tweed, deluxe, curt granger, birmingham alabama