Well-made 'spring' reverb pedal with one knob that sounds great...and affordable? YES this is.

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Peegoo

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I have a cheap little Marshall tube combo that sounds great for clean sparkly surf tones, but there's no reverb on the amp. So off I go to Frankenstein this thing and install a reverb. My plan is to place a reverb pedal's board in the chassis in series with the onboard effects loop. I'll also add a small 9vDC power supply inside the chassis, which will allow this to operate just like amp reverb when I step on the loop button.

My go-to simple 'spring' reverb has been the T-Rex Tone Bug Reverb for almost 20 years on, but these are no longer made. I went onto the usual scumbag auction sites and these are available, but I didn't want to buy something that may be worn out, been abused, etc. So I rolled the dice on a cheap Amazon unit, with no reviews. I figure if it's junk, I'll send it back, right?

But gotta say it sounds really REALLY good; it has that characteristic spring delay/snap of a long tank unit. The volume does not change when engaged and bypassed. The single depth control works smoothly through the entire sweep from no reverb to more than you'll probably ever need, and it sounds good through the entire sweep. It's in a small aluminum box with good-quality components.

I'll post updates to this project over in the Amp Mods section as this gets going.

If you're looking for a really simple reverb with an on/off switch and one knob, give this Kokko Space pedal a try.

Turns out there are reviews on YT. Here's one. The guitar is a bit outta tune, but it's close enough for rock and roll.

 

bluesholyman

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Man, some of these chinese pedals are just hitting homers....and I am not a fan of the cheap pedals. Figured they won't last long, but maybe long enough? Not sure I'd use one on a "tour" without an extra or 3, but yeah, they are sounding good.

Someone gave me an Eno Myomorpha Distortion (its a mini rat pedal) and I was shocked how good it sounded. My Rat has a 1980s LM308 "can" in it and this Eno pedal sounded near identical. I didn't check the max ranges, but where I like to have mine - spot on.

Congrats on the find!
 

memorex

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Reverb does sound pretty good in that demo. But it needs a kick button. Some of the digital spring reverbs have a button that makes the explosive sound of someone kicking the reverb spring. It's a must have for surf and psychedelic music. Sixty years ago, when I was in high school, the keyboard player in my band had a Farfisa with a spring verb built in. He used to lift the organ up off the ground an inch or two and then drop it to get that effect. It was great. I wish my Boss GT-100 had that.
 

elihu

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Timley thread for me...

Peegoo, I had recently bought a T-Rex Tone Bug on your and Vibroluxer's recommendation and it sorta crapped out on me.

Bought it on Reverb and naturally, it waited 8 days before acting up.

So, I may try this one.

I did like the Modern setting on the Tone Bug-seemed to fatten up the sound more than the spring setting.
 

Jeru

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Right on. Always love your projects.

I got this little goober about a week ago for the (practice) small board,
a Mosky reverb for $30 or so shipped. I'm pretty happy with it so far.

Screenshot 2025-07-17 at 10.24.54 PM.png
 

Chiogtr4x

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I'll chime in.
I've been a Biyang pedal fan since my first GFS Brownie Classic around 2012.

And since, bought pedals from their ( smaller, MXR-size).'Baby Boom' line, to include TS, Rat, Big Muff clones. All very good and affordable.

The Tri-Reverb is one natural-sounding, easy-to-use, Reverb.
There are 3 kinds of Reverb, 2 depth settings for each type, and master control knobs for Mix, and Dwell time.
Stereo jacks ( I dont use) and like all my Biyangs, still takes a battery*
I just use Spring Reverb, on 'B' bank- great Fender Reverb sounds

* I would not run Reverb on battery, on a gig, but will at home , if I want to work out settings at home.
 

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Peegoo

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But it needs a kick button.

You know, when I plugged it in and was trying it out, I did pick it up and drop it to see if it had a 'crash' function (sadly it does not). I had a cheepie reverb pedal in the early 2000s that had a sensor on the board and if the pedal was stomped hard or kicked, it made the crash sound.

Peegoo, I had recently bought a T-Rex Tone Bug on your and Vibroluxer's recommendation and it sorta crapped out on me.

They are repairable. It's probably a fatigued solder joint on the power jack or the input or output jack. Reflow all the jack connections to the PC board with a hot stick and fresh leaded solder. This is what a cracked solder joint looks like:

0uRZJTsH_o.jpg
 

robt57

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Compromise and get two knob where #2 is dwell knob would be my opinion.

I got a FRV-1 Fender Boss well over decade ago and never felt the need to get anything else.
 
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Atomic Dave

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Right on. Always love your projects.

I got this little goober about a week ago for the (practice) small board,
a Mosky reverb for $30 or so shipped. I'm pretty happy with it so far.

View attachment 1395127
That is the one I use! With both knobs cranked it gives good Spaghetti Western, so much so that I bought a "gooder" pedal (jhs series 3) for regular reverb and use the little lavender fella for one song intro.
 

Rockinvet

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I have a cheap little Marshall tube combo that sounds great for clean sparkly surf tones, but there's no reverb on the amp. So off I go to Frankenstein this thing and install a reverb. My plan is to place a reverb pedal's board in the chassis in series with the onboard effects loop. I'll also add a small 9vDC power supply inside the chassis, which will allow this to operate just like amp reverb when I step on the loop button.

My go-to simple 'spring' reverb has been the T-Rex Tone Bug Reverb for almost 20 years on, but these are no longer made. I went onto the usual scumbag auction sites and these are available, but I didn't want to buy something that may be worn out, been abused, etc. So I rolled the dice on a cheap Amazon unit, with no reviews. I figure if it's junk, I'll send it back, right?

But gotta say it sounds really REALLY good; it has that characteristic spring delay/snap of a long tank unit. The volume does not change when engaged and bypassed. The single depth control works smoothly through the entire sweep from no reverb to more than you'll probably ever need, and it sounds good through the entire sweep. It's in a small aluminum box with good-quality components.

I'll post updates to this project over in the Amp Mods section as this gets going.

If you're looking for a really simple reverb with an on/off switch and one knob, give this Kokko Space pedal a try.

Turns out there are reviews on YT. Here's one. The guitar is a bit outta tune, but it's close enough for rock and roll.


Reverb sounds great. Love the note on the Crate. I have one in my gig bag as a spare amp.
 

Peegoo

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I ended up not sticking the reverb into the amp. Instead, I installed a 1-amp 9v power supply board in the Marshall and will use that to run the reverb pedal in the effects loop. Thread here:

 
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