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The 8 ohm jack on the cab will utilize all four speakers. If you're looking for 50 watts into a 2x12, I would pull the power tubes for the B channel and connect a speaker cable between the one of the A channel 4 ohm jacks, and one of the 4 ohm cab jacks. This has the benefit of saving your...

Probably as far as I need to take this before installation

I wish I did! It’s taking vacation time from work, sneaking off when the kids nap, or sacrificing sleep. Or further procrastinating yard work or doing my taxes. It’s only a matter of time until the chickens come home to roost, but I have to take advantage when I’m feeling motivated

I added the mid-gain / harmonics, pentode / triode, and the “extreme” mode as switchable functions. The power amp PCB has pads to make a DC supply that could be used for things like DC heaters on V1 or to power a relay. I also put the presence control on the front, and reverb on the back as...

The EQ board: Power amp is next

Here is the power supply card populated

The test build has begun

Chassis have FINALLY been ordered today. I'm ordering 11 but building 2 for myself, so there will be 9 available for sale. Shop said end of May estimated ship date, so when they arrive I'll build the first one and make sure everything is all good before taking any orders. Slowly but surely...

Interesting that these are different.. If I'm looking at these correctly, @electric mayhem - yours looks like it's a buffer for the FX loop send. @xdg999 - I can't quite make out what yours is doing with the supplied pictures, but it looks like it's post effects loop

I found one on Reverb, in the process of reverse engineering it so I can build another

This is kind of what I'm thinking about doing, it will unfortunately be an expensive unit. I just special ordered four of the transformers needed for it and that was >$500 alone. Also, Jensen will not do quantity pricing. I tried using a GCX and isolation transformers, but couldn't get rid of...

I've been playing Boogies for over 20 years, but I finally bit the bullet and bought a Boogie cab. I had a slant Avatar 4x12 w/ V30s back in the day, I have a Marshall 1960B that is setup for wet / dry / wet with Boogie 16 ohm V30s in the bottom, but mostly I've built my own cabs over the years...

Where did you land on this? Did you have any ground loop issues without isolation transformers? I'm thinking about developing something similar to the Boogie High Gain Amp Switcher since it's out of production, was thinking about going the midi route rather than tip/sleeve jacks

Been working on a design for a long head cab that I may offer separate from the kit. They would be unfinished for sure, maybe flat packed, and cut from voidless baltic birch on a CNC. Here is a rear view

If only folks would have responded to my post on Oct 19 last year, you very well may have got all you’re asking about. The ship has sailed at this point my friend!

This is exactly the function of the lead external switching jack in the rear, you’ll be able to use either Unfortunately I’m not offering an export at this time. If you can round enough folks for ten units I would consider a special run

Thanks! I use AutoCAD and Fusion 360

Got the output and power transformers on order and chassis drawings to the shop for quote and lead time. Here is a sneak peek at the graphics: Also, a 3D rendering of what the chassis will look like before powder coat:

Got it wired up and fired up. I have not secured the wiring yet, but I'm pretty happy with the performance! The PT was putting out voltages dead nuts to the 105, and the OT sounds right on the money. Huge low end on the transformer just like the original. I have a couple minor things to talk...

What are you using for a cab?