Overview of the Plexi Drive Deluxe Overdrive

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The Plexi Drive Deluxe is the next step in the evolution of the classic Plexi Drive, which is one of Brian’s earliest designs. He always wanted to be able to have those great Plexi tones used in classic rock recordings from AC/DC, Led Zeppelin, Hendrix, and countless other bands on any amp he was using.Those famous guitarists would crank their plexi up to the max for massive walls of sound and sustain, but that's not always feasible in certain scenarios. Many famous players are still using the standard Plexi Drive today, from Brad Paisley to Jake Owen and countless rock and blues players (as well as other genres).  For years since its release, customers have been requesting the circuit with added flexibility to help tailor the overdrive sound even more to whatever amp and guitar combo they were using. Brian tinkered with the circuit and added the active 3-band EQ, bass and bright boost switches, and an independent footswitchable pre gain boost. Thus the Plexi Drive Deluxe was born.

Our favorite part of the Plexi Deluxe is the immense tweakability of it. With the 3-band active EQ and two tone-shaping switches, you can tailor the pedal to match any guitar and amp combination to get that powerful, cranked plexi tone that has been driving classic music from every genre at whisper quiet or extremely loud levels. The EQ is fully integrated with the Post Gain circuit, so even the smallest tweaks can change your tone into a different flavor. Our other favorite part is the Pre Gain circuit. It’s based on the wildly popular overdrive that is famous for it’s mid-hump that people have been using to boost their plexi’s for years. Pairing the mid-based boost with the Plexi Drive’s circuit gives even more gain and tonal coverage to make it usable for any genre of music. The pre gain boost also works really well stacked with other overdrives and distortions for a great versatile boost to every pedal in your signal chain. The Plexi Deluxe works exceptionally well with any type of guitar, whether it's outfitted with single coils, humbuckers, P90's, etc. and isn't picky on what amp it goes into.

 

Controls:Plexi Deluxe Settings

Volume: This knob controls the overall output of the Plexi Deluxe. Just like most overdrives it’s reactive to the gain control. As you raise the gain you may need to adjust the volume down to compensate, and vice versa. There’s plenty of volume on tap to set the gain low and boost the front of your amp with a fine-tuned boost on the EQ.

Bass: This controls the overall low-end frequencies of your overdrive signal. Being an active frequency control, you can add or remove low end from your signal. Removing it would help with bass-heavy amps if there’s too much thump to keep them from flubbing out. Adding in low end will fill out the sound and give your tone a thicker, meatier feel at lower gain levels, or to add some depth to a really bright amp. We suggest starting at Noon (which is neutral on the signal) and adding or subtracting from there. Small increments will open up sweet spots between different guitars and pickup positions.

Mids: This control dictates the overall mid-range presence in your overdrive tone. Also being an active EQ knob, you can add or remove the midrange to tailor the sound exactly to where you want it. Scooping the mids (counterclockwise) will yield an edgier and more aggressive, modern tone. Adding in mids (clockwise) will add midrange frequency which helps to cut through in a live mix, or to get some classic vintage recorded tones from the 60's and 70's. Similar to the bass control, we suggest starting at Noon and adjusting in increments from there. One thing to note is that adding in mids will typically increase the perceived volume of the overdrive, so you may need to adjust the volume knob accordingly to compensate.

Treble: This knob dictates how much overall high-end frequency is present in your overdrive signal. Just like the other EQ controls, it’s an active control and allows you to add or remove exactly the amount of high end you want. We always suggest starting at Noon, and adjusting from there. For extremely bright amps you could cut the treble and boost the bass, or on bass-heavy amps you can boost the treble by several dB’s and cut through the mix really well. This control works directly with the Post Gain knob, and will change the overall flavor of the overdrive.

Post Gain:  This knob controls the overall amount of gain from the Plexi Deluxe. The range of overdrive available goes from a barely broken up, slightly hairy tone to full-on saturated rock n’ roll and all things between. At 9am there it will be as if you’re just starting to get some of that great plexi breakup, but the natural tone of your guitar still takes center stage. Heading up to Noon the added sustain and grit will really start to show and you’ll have that identifiable “KERANG” that plexi’s are known for (weird guitar term, but I think you get my meaning). Around 3pm there will be a major amount of overdrive happening, and the Plexi Deluxe emits the feeling of a powerful, cranked and screaming hot plexi amp. The gain is very reactive to your guitars volume knob, so rolling it back a bit will lower the gain while still maintaining volume for rhythm parts, then rolling it back up for solos for that extra saturated punch. For an overdrive pedal, the Plexi Deluxe has a considerable amount of gain, and just tweaking the knob will take you through all of the classic plexi tones from decades of great music in every genre. Running the pre gain boost will increase the amount of gain as well.

Pre Gain: The pre gain boost is is an independent footswitchble mid and gain boost that is based on a classic circuit that has been used for years by nearly every guitar player since its inception. This circuit is known to make tubes scream with a mid-presence that pairs wonderfully with other overdrives and distortions. With the one control knob, it will raise the volume and the gain in conjunction to give more of a punch to the Plexi side of the Plexi Deluxe, which will add gain and also help cut through the mix really well for leads. Because it is independent (it can be used by itself without requiring the plexi drive being engaged) it can be used with any overdrive or distortion on your board, or even as a standalone overdrive. Don't hesitate to crank that thing up well past Noon to get some great grit and sustain happening.

Bass Boost Switch: This switch is activated in the UP position, and disengaged in the down position. The bass boost changes the character of the overdrive by increasing the frequency which makes it feel like you’re going from into a cranked 4x12” cab (or two!). This isn’t a traditional bass boost which will make the drive fuzzier, but it evokes more feeling when playing live or recording. It works exceptionally well at lower volumes where it will make your tone seem much more full and 3-dimensional.

Bright Boost Switch: This switch is also engaged when it is in the UP position, disengaged will be pointed down. Activating the bright boost will add a crisp high-end frequency which works really well for dark amps or pickups, and it also gives your overdrive a different tonal sound and feel. It’s much more aggressive and bordering on the JCM territory with a more aggressive feel depending on how high the gain is set. Engaging this switch may warrant adjusting the active EQ section to find the sweet spot.

 

Technical Stuff:

  • 5” x 4.5” x 1.5″ in size (88.9mm x 114.3mm x 38.1mm) – height excludes knobs and switches
  • Power draw: 22mA – Powered by a standard 9v center negative tip barrel connector (Boss style) or an internal 9v batter. The Plexi Deluxe can be run from 9v up to 18v, and doing so will increase the headroom and the overall openness of the overdrive.
  • True bypass, top mounted jacks and soft switches

 

You can read more about the Plexi Drive Deluxe or purchase factor direct HERE.

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