Jeff Irwin (Will Haven)

In a YouTube video at 1:19:23, Jeff Irwin of Will Haven states, "So that was pretty much my basic sound for the longest, it was an ADA Preamp," confirming his use of the A/DA MP-1 MIDI Programmable Tube Preamp.

In the YouTube video "#149: Jeff Irwin (Will Haven) | THE BOGCAST", at 1:19:22, Jeff Irwin explains, "So that was pretty much my basic sound for the longest it was the ADA Preamp and the Strategy 500 and the Strategy 500, Mesa just stopped making them all together and those things weighed like fucking 80 pounds like taking those things on tour was just a pain in the ass."

In the YouTube Guitar PlayThrough video originally uploaded on the Will Haven channel, Jeff Irwin can be seen using the Matrix GT1600FX on his effects rack. The description of the video also confirms this, stating: "Jeff plays: Amplification: ADA with Matrix gt1600fx."

In an interview on YouTube at 1:22:13, Jeff Irwin of Will Haven confirms his use of the Line 6 Helix by stating, "I called up Steph (Carpenter of Deftones) and I'm like dude what are you using now? You know because he changes his shit all the time he's like well I just bought the Helix. He's like you should look into it you're gonna fucking love it. So I was like I looked into it and I was like oh that's kind of cool it's just a pedal and you could put all your settings in that pedal, I was like alright so I ended up buying, called Steph I was like alright man I bought it, he's like dude you're gonna fucking love it dude I swear to god, if I would've had this 10 years ago I would never use anything else... This I could just take, stick it in my suitcase and so I have my whole rig in that Helix so I don't have to worry about amps and shit."

In a YouTube interview with The Bogcast (Ep149), at 1:23:45, Jeff Irwin (Will Haven) states: "Initially I was playing ESP for a long time because Stephen (Carpenter of Deftones) hooked me up with ESP, so I was kind of an artist on ESP for awhile but I initially started playing ESP when they had like the neck throughs, they were the M-II's and they were just made so good they sounded so killer, but then they went to the LTD's and LTD's were not to me weren't as good as the originals. They were like I think just a little cheaper wood or something, they just weren't as heavy and like just as solid as the originals." This confirms that Jeff Irwin used the ESP M-II Deluxe.

In a YouTube interview on The Bogcast, Jeff Irwin of Will Haven confirmed at 1:24:16 that he uses a Gibson SG Special. He stated: "So I went and bought an SG, SG Special because we were touring a lot and ESP is really expensive and we didn't have like road cases and shit so my guitar would just get hammered like every time I go on tour, then my beautiful ESP was just getting-those guitars are very beautiful guitars, I'm like this shits getting fucked up. So I went and bought an SG Special, I was like well if I take that and break it I don't care you know like it was 500 bucks and it still sounds decent."

In a YouTube podcast interview on The Bogcast, Jeff Irwin of Will Haven discusses his use of the Seymour Duncan TB-6 Distortion Trembucker at 1:24:47, stating, "Seymour Duncan had made this Tremolo Distortion pickup and I bought a bunch of 'em and so I actually had the same pickups for like 25 years. I just keep rotating 'em out, I have like 5 of them. Every time I buy a new guitar I put it in there and it sounds so fucking good."

In this screenshot taken from a Will Haven performance on September 16th, 2002 at the Fillmore in San Francisco, Jeff Irwin can be seen using the Digital Music Corp Ground Control for switching channels on his ADA MP1 Preamp. Source Image

In an interview with New Noise Magazine, Jeff Irwin of Will Haven discusses his guitar rig for their latest record and mentions using an Eventide Space Reverb pedal: "I had an Eventide Space pedal I was using, and then I mixed in some other pedals, and then Stephen (Carpenter) from Deftones talked me into getting a Line 6 Helix to take on the road with me—an amp modulator."

Jeff Irwin of Will Haven uses Clayton Eagle Acetal Rounded Triangle Guitar Picks, .80mm. In an Apple Podcast episode, at 25:25, he explains, "Picks I've always used, the Clayton, the bigger triangle one and they're 80 gauge or whatever that thing is. They're 80s, but they're the bigger triangle Clayton with the eagle on it. I've been playing those forever. I just like the bigger picks because they're just easier for me to hold. A lot of bass players use those picks, but I use it on my guitar. I love them."

Jeff Irwin of Will Haven confirms using the Marshall 1960A 4x12'' Cabinet in a YouTube podcast by Blue Dreamer Broadcast. At timestamp 16:58, he states, "Initially, my first setup when I bought my ESP, the first thing I bought was a 412 cab, which I still have today, actually Marshall. 1960 cab. And then I had bought a 1960A Marshall head, 100 watt head. And then I went and jammed with Chris Robyn from FAR. When I first got it, just to try it out, and I couldn't hear myself."