Mod Electronics Vortex Spring Reverb Kit

RICHB555

Well-known member
Build Rating
5.00 star(s)
A few days ago, I was excited to see Amplified Parts latest DIY offering, a compact Spring Reverb for pedalboards. I’ve been really impressed with the Mod Electronics pedal projects on the AP site, and all have been successful builds so far with satisfying results.

This arrived this morning with USPS struggling to fit the very long box in my mailbox, so much they left the lid open 😆. Thankful it was a nice morning! With it’s early arrival, I decided to dedicate it as my Saturday project.

Same as their other kits, Mod Electronics again has brought quality components here. This really is a great kit with detailed, thoughtful instructions and with everything included, you do get a lot for the $130 price tag. Keep the new projects coming, AP! How about a talk box kit??

The kit comes complete with a spring tank, pedal enclosure with faceplate and a remote. You can make your own RCA cables, which I’ve done before so I opted not to today.

There are controls for reverb, dwell, wet (on,off, remote) and dry. The reverb is really splashy when you want it to be, and I really love all the verb options the controls offer with this unit.

The build is pretty straightforward, and even includes sorted, bagged and labeled resistors (a time saver!). Enclosure holes are precisely and correctly drilled and match perfectly with the face plate. I like the face plate design - it’s minimalist and I’m sure appeals to a range of tastes. Contrasts well with the matt black tank enclosure. Low parts count, fun build!

This is a great kit and an amazing sounding reverb! Highly recommend this kit build, as I have with other offerings in the Mod product line.

9/21/2026 revision: I received an email from Mod Electronics that issues I mentioned in the initial post of this build report have been corrected in the build instructions and future kits. I removed mention of these issues and changed my rating to 5 stars. I admire Mod’s willingness to make adjustments, and as I mentioned earlier, this kit is yet another really nice offering from Mod Electronics.
 

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Build looks great, and I really appreciate the feedback. I don't find any of that nit-picky, it's all worth knowing about.

The issue with the 2 different power jacks is fixed in our web instructions and will be corrected in any that go out in the future. Same with the #8 bolts - these kits will include ones that are a bit longer from here on out.

If you (or anyone who purchased one) need a longer set of bolts, please reach out to me either here or via [email protected] with the ideal shipping address for them and we'll get a longer set sent out ASAP. Thanks again for all the feedback. We do our best to eliminate issues before making these kits available, but this kind of feedback is really helpful for catching anything that may fall through the cracks.
 
Build looks great, and I really appreciate the feedback. I don't find any of that nit-picky, it's all worth knowing about.

The issue with the 2 different power jacks is fixed in our web instructions and will be corrected in any that go out in the future. Same with the #8 bolts - these kits will include ones that are a bit longer from here on out.

If you (or anyone who purchased one) need a longer set of bolts, please reach out to me either here or via [email protected] with the ideal shipping address for them and we'll get a longer set sent out ASAP. Thanks again for all the feedback. We do our best to eliminate issues before making these kits available, but this kind of feedback is really helpful for catching anything that may fall through the cracks.
Thank you, Tom. I hope everyone here takes note of very good business practices of listening to customers, openness to feedback and willingness to make adjustments to product deliverables where warranted. You have addressed all topics mentioned and much respect to AP for that. Keep the great products coming!
 
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