![]() ![]() The Dyna Comp board contains many 1m resistors, all of which go to ground except one. It’s a bit of a hack job, but bear with me. The fix: The name of the game here is desoldering two different resistors from the board and replacing them with a hand-wound triangle of parts. What you’ll need: 2x 470k resistors, 2x 220k resistors, 1x 10k resistor, 3x 1uF electrolytic capacitors, soldering iron, desoldering pump/braid, screwdriver, utility knife And modding it to Ross specs is a relatively simple job. However, one red pedal is also based on the Ross: The MXR Dyna Comp. When browsing compressor pedals, the coloring is no accident-most grey ones are based on this age-old design. In fact, most boutique manufacturers of compressor pedals jump at the chance to drop the Ross name when describing the origins of their offering. ![]() Anastasio places his Ross after two Tube Screamers for his distinctive tone. Players such as Trey Anastasio sing the praises of the Ross Compressor quite often, as it was among the first-and thusly, classic-pedal compressors. Changing a Dyna Comp to a Ross Compressor For fun, you can change the color of the LED (just remove the stock LED and replace it with a different-colored 3mm LED) so people can know you modded it. Look at the component side, and hunt around for a capacitor (looks like a Chicklet) marked “C4.” Using the clippers, remove this capacitor. The fix: Remove the back from the pedal, and remove the board. What you’ll need: Screwdriver, wire cutters or nail clippers This, the C4 mod (which is in no way related to plastic explosives) reinstalls some of the pep that’s siphoned out of the modulation, as well as restores that precious volume. For those guys and gals playing low-budget surf rock, the older TR-2s can really take some curl out of the waves. This volume drop also begets a distinctive “mush” in the modulation which can drive tremolo-heavy players bananas. Story time: I once performed this modification for a Nashville studio musician, transforming the humble Boss TR-2 into, and I quote, “the best tremolo ever heard.” Now that I have your attention, users who bought a Boss TR-2 on the second-hand market might notice a slight volume drop when engaging. ![]()
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