Lush, tape-like, saturated delays with adjustable modulation

The Skreddy™ Echo was designed to take over the duties of my old, green, tube tape echo.  My design goals were simple: 1) make it sound right; 2) it should inspire.  It is intended to emulate electro-mechanical units of the past and is not clean or pristine.

The repeats degrade very gradually into a musical, harmonic soup if you turn them up high enough.  Self oscillation is possible (though not in a touchy or unpredictable way) without the bothersome runaway volume some old analog delays have.

Ultra-High Sample-Rate (Delta-Sigma) Digital Delay with Analog Filtering and Limiting

Transparent, Analog "Dry" Path with Tons of Headroom

Effects Loop for Delay Line

All hand wired with Switchcraft open-frame jacks.

Thanks to Björn Juhl for helpful advice with regard to my limiter circuit.

Sample Settings -- a few of my favorites

Blank Settings Sheet to store your own favorites

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Get Lost in Your Playing Again

Great classic tape delay tones (~50ms -- ~550ms) with as much or as little warble as you like

Sounds equally great clean or with overdrive, distortion, or fuzz in front

Effects loop allows delay-only processing or "wet" amp stereo setup featuring trails when the normal output is in bypass

Huge range, including slap-back, atmospheric, cathedral/stadium, self-accompanying rhythms, expansive delays, self-oscillation, vibrato-chorus-detuned effects, etc.

True bypass, runs on DC adapter only (not included), in/out/dc jacks all on back side, loop jacks on left side.

Size: 5" long x 4" wide x 3" tall (including jacks and knobs)


DC power supply must have a standard 5.5mm barrel x 2.1mm center coax > Polarity: negative center (industry standard) -- for example, a Boss™ or Roland™ or Digitech™/Harman Pro™ 9vdc power supply.

Amperage: you will want to supply a minimum of 100 ma (Note: it will not actually draw 100 ma; this just provides a generous surplus which insures that no variations in supply voltage will be carried through the circuit from the LFO sweep--and this is not important at all unless you are trying to dial out every bit of pitch-shift modulation). Actual current draw is only about 26mA. Voltage can be 9v for the stock, soft, "vintage" tone, or higher, up to 18v, for a clearer, harder, more "bell-like" tone -- for example, the Dunlop™ 18vdc power supply. Do not use an AC power supply DC power only





"Your Skreddy Pedals Echo pedal is brilliant. Its design is your artistry, nothing less.

Demos cannot quite convey what your pedal does, though studying online demos led me to it. One has to play your Echo to hear and feel its specialness. It helps to be old enough to remember when there were only tape-based units for audio delay processing, which I am.

Currently, for digital emulators of tape delay I own the Empress Effects Vintage Modified Superdelay (VMSD) and the Strymon El Capistan, and as of today the Skreddy Pedals Echo. Each has its strengths and weaknesses, and I like each very much. The El Capistan I got specifically for long sound-on-sound delay, and the VMSD is a generalist that does clean digital delay, too. But of the three, the Skreddy Echo is the only one that made me smile when I played it for the first time. For analog delay I own a Diamond Pedals Memory Lane. It is most similar to the Skreddy Echo, I think, but that’s mostly its analog delay circuit being itself, with its old, wooly-sounding chips; it isn’t trying to emulate tape as such.

For me as a bass guitarist, distinctive about the Skreddy Echo is its correct narrow bandwidth response. Since I play with delays either rhythmically or arhythmically, the narrow bandwidth delay lets me easily have my playing ride atop the delay without them competing for frequency spectrum, especially when I ignore the delay’s tempo. My favorite example of this in my first outing with the Skreddy Echo was setting the delay to repeat almost on the edge of runaway, warble set to induce slight phasing, and delay mixed lower than my bass: glowing, complex, unfolding, collapsing sheets of sound. Simply beautiful.

Thank you for this excellent instrument, Marc."


"maybe the most tape like pedal I have ever owned and I have had most of them.

had a real EP-2 at one time and been searching for that effect ever since....


I spent more time with it after adjusting the loop trim pot to full clockwise....

I hesitate to say I have found ‘my sound’…..but with the setting I landed on it is pretty breathtaking.

I just stuck it on my board ... wow....huge sound and I get that really faint tape like feel where the repeats are subtle but ever present....

like playing constant Sound on Sound....

nice man."


"Just wanted to express to you how much I enjoy your company and the pedals it produces.

I got my Echo in a few weeks ago and it is the best delay I've ever used and hands down one of my favorite pedals - I put a cheap pitch shifter in the FX loop, so the delay repeats create a cool oscillating sequence.

I managed to find a Pig Mine last year which I run with the Echo -I've tuned in the perfect Gilmour tone with these together, on my Marshall.

Thanks for making awesome products and pedals I want to play both because they sound amazing and because they are an ode to some great musicians!

Will buy more in the future."


"Right now I'm in my studio and took a couple of delays off the shelves to do some testing. Since most of my delays are old, I plugged into a XXX which is one of the modern delays I have...


Marc, this is not because I'm speaking to you...but now that I've used a different delay in my pedalboard, I really love the Echo's sound. a pedal with a lot of bells & whistles (XXX) don't even come close to the Echo's sound and simplicity. I looked at my friend and both laughed at it..."


"The Skreddy Echo got here on Friday. I plugged it in then, am basically just now getting up from my first session with it.

I have never, in my life, been so in musically sync with a musical device. I laughed in sheer, child-like musical joy for hours.

Fantastic work. I feel extremely grateful to own this."


"Absolutely amazing! I currently own an xxx & xxx... Both great, and I still wanted yours, I heard something unique about it and now that I have it in person it confirms it. If I only was going to use 1 delay this would easily be it! That's why I bought one. It's capable of so much. I seriously love this pedal. I always tell people what I own or like, I work at a local studio & have musician friends. They don't always listen but this I'll have to convince them and show them in person!
Thanks for everything,
Probably buy something else of yours soon, who knows..."


"I just wanted to let you how totally awesome the Echo is. I played all weekend with it and it is just sounds soooooo good brother. Due to this musical harmonic soup you talk about with the repeat knob turned up I believe I have truly been inspired to play better and do some stuff I didn't know I could even do. My drummer buddy came over and we jammed better than ever with this musical harmonic soup washing our souls in the background.  Thank you for an awesome pedal and a pedal that will most definitely bring me inspiration. This thing is beyond what I can describe in words. Great job man and certainly worth the wait!"


"Hi Marc,Got the delay I ordered from you a few days ago.It,s a musical instrument all to it,s own.Thanks for making a delay that comes close to mimicing my EP 3, it is so much more then just a EP3 replicator.I very happy with it, it was well worth the wait."


"Everything sounds good going into it, honestly. I was playing some clean shit with just comp and Echo yesterday and I got lost for a good 45 minutes."


"For the saturated, dirty heads/old tape sound - I haven't played anything that has come close to the Skreddy, and can do it reliably."

Huey Redwine

"got it today! wow..... makes me smile! very familiar, and easy to use, and takes dirt wonderfully!!!! putting the EP3 on the shelf. really great pedal.... thanks Marc!"


"I've owned a ton of great gear.
There are wonderful guitars, amps and pedals out there.
I've had a lot of stuff meet my expectations.
I've had some stuff exceed my expectations.
I've had a few things blow me away.
Your Echo is one of those things in the later category.

It is simply the most inspirational and musical delay I have ever experienced.

I've had a ton of delays. From simple to feature-laden, analog, digital and hybrid. Tap-tempo delays as well.
While I've never owned an Echoplex, I have heard many in person and played through a couple.
I owned a XXX and really loved the unit, but wasn't too thrilled about the maintenance it required.
(Not a knock on xxx, that's just what a real tape-echo requires.)

I feel like I have an Ecohplex down at my feet. Only I don't have to purchase, clean and maintain the tape cartridges.
The way your Echo melds with my guitar tone. The way the repeats can go on for so long, and still remain in the background,
and not take over my signal, is something I've only heard with a real tape-echo unit.
The full control over the modulation, the included Loop (which I've only just begun to mess with), and the size of the box,
are all outstanding features, that I can't believe you were able to implement.

It is difficult to put into words the tingling a musician gets when they realize they have a truly special piece of gear in their hands.
I just wanted to let you know you reached that mark, and then some, with your Echo.

The only "bad news" is that I bought the Echo, and a Lunar Module from Cowtown Guitars.
I couldn't resist, even though I really like dealing with the builder directly, and you've been one of the best in the biz to deal with.

I'm off to go play some more!"



Sound Clips

Brandon from Eastside Music Supply and Steven from Stringjoy

Demo of Skreddy Echo with a Tele in a studio

Raphael Ticle / The Original Blackjacks

Skreddy Echo used on Telecaster in left channel and on guitar solo

Brian Beyke

Nine (clip)

Reverend Slingshot on the center through a Vintage Twin Reverb and an Orange AD-30R

Marko Mijailovic

Skreddy Echo Demo

Cranked Echo

Michael Dukes

Slapback (solo'd guitars) (604 KB)

Slapback (in the mix with other instruments)(804 KB)

"That's Screw Driver on both parts, Echo, into the usual suspect Magic Brit. I think the L guitar is Tele bridge, the R guitar the PRS with TV Jones FilterTron bridge."

Subtle Echos (3,724 KB)

PRS -> Screw Driver -> Echo -> Magic Amp AC15 clone

  1. clean, bypassed

  2. clean with subtle echo

  3. clean, bypassed

  4. clean with chorus/vibrato effect

  5. distortion bypassed

  6. distortion with subtle echo

John Taylor

Blue Glacier

Loop Station with Skreddy Echo with warble

Cords in Ardor

This one uses both the Skreddy echo - on a short doubling echo with warble - and the Boss digital on a long soupy setting.

Shocked Quartz

Slide and ebow: infinite nonattack sustain and glisando.

Chicago Music Exchange

Nick likes the dreamy modulated wash effect...

Jonathan Wilson

Rhodes clip (381.79KB)

Electric piano into Skreddy Echo with a Whammy octave-up in the loop


"Empress Super Delay, Skreddy Echo, Electro Harmonix Micro Synth Wanking" in which the Super Delay is being used as a looper and the Skreddy Echo is being used as a "soup"-er takes us through a few different settings...

Demo begins by demonstrating how it sounds when you sync up the warble rate with the delay time--just a lovely wet, dimensional delay sound, with a subtle undulating current.

1:15 proceeds to increase the warble rate, which throws very obvious pitch bending effects into the mix, even though the intensity knob stays in the same spot.

2:07 changes every knob setting to a longer delay time with wetter mix, fewer repeats, and milder pitch shifting.

3:13 reduces mix, increases repeats, and boosts modulation

3:43 maximum delay time, very ambient

4:56 maximum warble speed and higher intensity

5:56 traditional medium delay time with minimum warble

6:58 shorter delay, lots of repeats, and stronger warble

7:40 turning down the warble, still very wet mix and lots of repeats

Fade out to fast dotted eighths.

John Taylor


Playing with the effects loop:


"I used the Bastin Sport, which is essentially a Travis Bean with SD Phatcats, into a Screwdriver and Echo for the first parts. The higher gain leads at the end are Lunar Module. All through the clean channel of an older Mesa Dual Rectifier."


(note: the ticking sound is the video camera's fault)


Squier strat into pedalboard into Skreddy Echo dry output thru fender dual showman reverb and delay output thru mesa boogie triple rectifier, loop played thru fender bandmaster reverb.  GNX3 used for whammy octave down for bass line, rotary sim and looper.