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I'm not aware of any available covers for them. The coverless thing was kind of their schtick! Rio Grande Muy Grande's would be a good call. They originally looked like the Schecter pickups (no covers) but they changed them a while back. Quarter inch pole pieces too.

The Schecter Monstertones are my favourite pickups! They should be quite hot already - their resistance won't be massive (maybe 6k ish) but the big chunky ceramic bar magnet underneath boosts them up a bit. SD Quarter Pounders will have the larger pole pieces if that's your thing and they should be hot enough. Not sure if they have the coil tap abilities though that the Schecter's do.

Is your 800RB a proper old one with the horizontal power switch, or a more recent one with the vertical switch? I tried to find some knobs for the former a few years ago and couldn't find any. I always wondered if someone could 3D print one, or buy a non-working example from the US and use it as a donor amp.

Hi, I had a similar issue with my 80's GK800RB. I found these rack ears on eBay and bolted them on the inside of the amp's case. They've worked great. Cheap too. I have linked the 2u ears for the 400RB below. https://www.ebay.co.uk/itm/165973127952?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=V7TM5Eg_SQ-&sssrc=4429486&ssuid=TN_QcJMCSYy&var=&widget_ver=artemis&media=COPY

I love those old GK RB heads. I've got a 1986 800RB at the moment which sounds so good. I've heard very good things about the 400RB's too. Looks like a great rig, enjoy it!

Yeah, I saw you had them for sale. I'm surprised as they're a great, affordable way to get a reasonable sized gigging rig, fit in back of the car, easy lift. Picked mine up a couple of years ago. Good luck with them! Need to get down to a practice space and crank the ABM.

I joined this group yesterday, picking up an ABM 600 Evo IV DR. Holy heck, this thing has some volume. Still dialing it in, but sounds great so far.

They might be the ones that belonged to the chap earlier in this thread who was selling 4 of them at once. I'd love to try a Longhorn but I'm 6'3" and can't help but think it'd look a bit silly on me. I'm fortunate to already own 2 late 90's Danos. A "Commie Red" DC59 and a Hodad in blue sparkle. Both have flats and sound superb.

Curtis Novak Pickups now make a replica of these. Looks the business to me... https://www.curtisnovak.com/shop/bl-g3/

Looks like you did a great job. It's always satisfying to work on something yourself and get the desired outcome. Bass looks fantastic too!

I've followed a few of your builds over the year @kevin_lindsay and they always look spectacular. Love the pastel colours too. Great bass.