ALU PANELS BACK IN STOCK LATE JUNE
ACCUTRONICS BRICK NOT INCLUDED. SPRING TANK MUST ALSO BE PURCHASED SEPARATELY.
Kit includes everything you need to build a 6hp Eurorack module right down to knobs, rack screws and power cable. Does not include the brick or spring tank, discussion of Brick and Tank suppliers here.
Thonk Build Document – http://thonk.co.uk/documents/springreverb
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The Music Thing Spring Reverb is a flexible, easy-to-build voltage controlled DIY mono spring reverb module. Traditional guitar reverbs are tuned to the sound of the guitar and the amplifier it is played through. This circuit is different; designed to be relatively clean and high-fi, with a lot of bass response. It can also be abused and driven into (externally patched) feedback, as the demo below shows.
The circuit, plans and PCB/panel designs are open source and shared under Creative Commons.
- Works with a variety of spring reverb tanks (not included), or with the Accutronics BTDR-2 reverb ‘brick’ designed by Brian Neunaber (not included)
- Includes PCB panel designs that can be very cheaply produced.
- Vactrol (VTL5C3) crossfade between dry and wet (vactrol circuits are variable in their ability to go completely 100% wet, like the Make Noise Echophon for example)
- Tilt EQ on the reverb send to tune the voice of the reverb
- X-Fade input so the module can also be used as a standalone vactrol crossfader (crossfade demo)
- Attenuverter on the crossfade CV input
- Options for reverb tank connection and placement including front (panel B) and rear (panel A) sockets.
- Optional (unbuffered) PCB connections for 100% wet and post-EQ dry outputs
- 6hp wide (NB: If using the brick, mounted horizontally, the brick extends 5mm over the PCB to the left of the module, around 25mm back from the front panel, so mount the reverb next to a shallow module)
- See image below for module depths.