Boss DS-1 Distortion with Carbon Film Resistors & Premium Caps
This is a follow up to my first Comet build. This build comprise parts for the MODERN VALUES option but I used 5% carbon film resistors this time in combination with premium capacitors like my first build. My main purpose for this build was to compare the sound to my first build where I used 1% metal film resistors. And, like my first Comet build, I installed all the mods except the Big Muff mod.
Clipping Diodes: two IN4148 & two (3mm) diffused RED LEDs
OpAmp tested & installed: 1 at first then 2 OPA2134PA together
Equipment used: Marshall JVM 205H head / Marshall 1960A cab / 1997 Fender Strat Ultra with Seymour Duncan “Everything Axe” set of stacked humbuckers. Only Comet is connected.
This build pretty much sound like the original Boss DS-1 with the popular mods. It has definitely a warmer sound attributed to the use of carbon film “mojo” resistors. The distortion clearly sounds more compressed but the electrical interference (hiss) is a little bit louder than my first build.
I also experimented with 2 same OpAmps using Monte Allum’s adaptors and the tone incredibly sounded fuller & with almost infinite sustain.
I will be building my 3rd & final Comet very soon after a little more research & test with parts & I will post it here.
AION Comet PCBs rock!! They’re very compact, has extremely well-thought of features & very easy & fun to build.
Again, thanks for reading! Comet builders…..please share some info on your build.