SpiderWars
Well-known member
I usually don't do build logs because I never know how long I will take to finally finish (and clips are always expected). But I'll give it a go.
Inspired by MichaelR/Ts awesome modded Major threads I decided to try building a 2xKT88 version. I could have used a Marshall chassis but it looked like a Hiwatt chassis was a perfect fit so I chose that. Always gotta be different for some damn reason.
As I was sourcing parts I came across the TGP fusionbear build, which then led me to an EL34World thread from ~2014 about mini-Major builds. Always nice to have resources like this.
Still waiting for a few parts, mainly transformers. Transformers are from Merren Audio. He makes a mini-Major OT (with UL taps and all) and then you just use a 100W PT. Thanks to RT I was able to get a new pair of Gold Lion KT88s for $75 and I have a pair of new JJ KT88s (not sure how I acquired these).
EDIT: My plan is to not even connect the NFB. The Major injects the NFB back into the preamp at V2a cathode and is essentially absent at low MV settings. Plus, the ultra linear power amp already has NFB as it's part of the deal with UL. It's a super easy addition if I decide to add it. So I'll have to devise an alternate Presence circuit (prob just a bleed at PI input).
I have a tentative layout drawn and the main board is mostly populated.
I'm including spots for split cathode but intend to initially wire it shared.
Updated pic:
Updated pic:
Decided to try these Vintage Tone caps. They are not Mustard clones, more like early Fender (per description that is).
Updated pic:
Inspired by MichaelR/Ts awesome modded Major threads I decided to try building a 2xKT88 version. I could have used a Marshall chassis but it looked like a Hiwatt chassis was a perfect fit so I chose that. Always gotta be different for some damn reason.
As I was sourcing parts I came across the TGP fusionbear build, which then led me to an EL34World thread from ~2014 about mini-Major builds. Always nice to have resources like this.
Still waiting for a few parts, mainly transformers. Transformers are from Merren Audio. He makes a mini-Major OT (with UL taps and all) and then you just use a 100W PT. Thanks to RT I was able to get a new pair of Gold Lion KT88s for $75 and I have a pair of new JJ KT88s (not sure how I acquired these).
EDIT: My plan is to not even connect the NFB. The Major injects the NFB back into the preamp at V2a cathode and is essentially absent at low MV settings. Plus, the ultra linear power amp already has NFB as it's part of the deal with UL. It's a super easy addition if I decide to add it. So I'll have to devise an alternate Presence circuit (prob just a bleed at PI input).
I have a tentative layout drawn and the main board is mostly populated.
I'm including spots for split cathode but intend to initially wire it shared.
Updated pic:
Updated pic:
Decided to try these Vintage Tone caps. They are not Mustard clones, more like early Fender (per description that is).
Updated pic: