Mooer Baby Bomb + Blacknight practice amp set up on Rockboard Duo 2.1

Dave Sloven

Ambassador of DOOM!
Country flag
Well I thought about putting this in the pedals section but it is really a preamp and power amp mounted on a pedalboard with a looper so it probably belongs here. This is another one of my fancy pedalboard builds though.

Under the board I have a Behringer HD400 Hum Destroyer to kill some noise issues with the Baby Bomb and Digitech JamMan Solo XT when used together with my MS-3

I had the board cut to fit three locking 1/4" panel mount through jacks and a panel mount USB port (for the JamMan), with colour coded gaskets on the three jacks (red input, green effects send, yellow effects return). The cables are made from the Boss BCK-24 kit, except for the Rockboard 30cm flat TRS cable that connects the JamMan with its FS3X footswitch.

The guy who cut the holes for the jacks didn't line them up straight so I had to file the holes until I could line them up as straight as possible. The cab is an Orange PPC112 with a Celestion Vintage 30 speaker, 16 ohms.

To save suspense before the blow-by-blow, here's the finished product:

raQ3jbI.jpg


And here's a diagram of how it all connects:

4qOVgLY.png


The Rockboard Duo 2.1 is surprisingly roomy underneath compared to a small Pedaltrain. Here it is before modification with a power supply (and the HD400) underneath. I am using individual power supplies for this board though as they all need a lot of juice and even have different voltages.

IBIG1Fk.jpg


These are the jacks I bought from Swamp Industries:

PxXVSg5.jpg


This is the other end, The orientation of the lock release ended up being important.

A6diNsU.jpg


Test-fitting the three jacks and the USB port. The guy who drilled the holes must have done it by eye as the jacks don't line up with each other properly.

k4YJXB4.jpg


I filed the holes in various directions to make them straighter relative to each other. I drilled guide holes with my Tamiya Handy Drill:

qAulKP1.jpg


Then I put it in a vice and used a bigger power drill that could take a 3 mm bit:

Cwgcnn1.jpg

be6jbtR.jpg


Mosquitoes were biting the hell out of me in the garage and I dropped stuff and it bounced off where I couldn't find it so I took the work inside and spent hours grappling with allen keys, spanners, and these horrible little lock nuts but eventually I got the stuff all installed with these colour-coded gaskets behind the jacks and a covered gasket for the USB port (this gasket used to be fitted to my other board but always fouled on the hard case):

tHK1xl8.jpg


I had to remove the centre brace to get the nuts on:

a2zUOyF.jpg


With the jacks and USB port in it was pretty hard to reinstall the centre brace but I managed it. At this stage I installed the HD400.

YvXoBPj.jpg


Then I made wires using the BCK-24 kit and connected the footswitch to the looper using a Rockboard flat TRS cable with angled jacks on each end:

GQ5yqFK.jpg


Here you can see the layout (the speaker cable goes into the left side of the Baby Bomb):

xF6fzhg.jpg


Here you can see the jacks and the inputs for the power supplies:

THzwNZg.jpg
 
That is a very impressive build! I would like to learn more about those barrel jacks

This is the page for the ones I ordered. I don't think they make them so they are probably for sale somewhere in the USA under a different brand.


The USB socket and the gaskets are made by Neutrik, and I buy them through RS Components. The coloured ones were shipped to me from the UK in a week because the local branch was out of stock. The USB port was in Australia and that was shipped overnight.

 
Last edited by a moderator:
Well this had been functioning well until today and then it decided that it wouldn't ground properly. I was worried that maybe that would happen as the only ground for the looper was its actual power supply, so I removed the HD400 circuit between the return jack and the looper and now all is well again. I'm not sure why this wasn't an issue before but I always figured that if I heard hum that seemed to come from the looper I would tray that. Well I did and it seems to have worked

la7DLzc.png
 
Back
Top