Gerlt Technologies makes hundreds of customizable rack effects, at prices comparable to guitar pedals.  It's time to dump that pedal board and get Your Tone off the floor!

 

 What We Do

You know them as guitar pedals

We build them as rack effect modules you can customize to get Your Tone

Put several rack effect modules into a 3U rack enclosure

Connect power and audio on the back like guitar pedals, adding connections for remote switching

Add a remote footswitch unit to turn rack effects on and off

Add as many rack effect modules, enclosures, and third-party products as you like. Plug in your guitar and amp. Rock it! It's that simple.

 

Quick Hits:

  • Check out our GT Effects Overview to see why we do this

  • Check out our Compares To charts to see the full list of effects we offer

  • Follow the menus from Products, to Modules, to Modules By Type to get a list of our effect types.  Select any effect type to get a list of all our effects of that type.  Select any effect to get full information including pricing.

 

 

Hello Effects Fans!

Today the message is unpleasant.  After figuring how to deal with some of our government’s policy decisions for the past several years, I must finally admit defeat.  It is not feasible to continue operations with the latest round of policy changes.  As recently as a few days ago, I thought it might work out.  Then I was hit with business-ending tariff charges, with more to come.  To be clear, it isn’t just these new Trump tariffs that have beaten me.  Biden-era tariff changes and policies were also difficult to survive.  The cumulative effect is too much.  

As an entrepreneur I take calculated and managed risks.  Sometimes it works out, and sometimes I seem to be shooting at my own feet.  But I can’t survive an economic nuking from my own government.  It’s not just a political disagreement, or differing opinions, theories, or expectations.  It’s a matter of undisputed facts, real dollars.  Gerlt Technologies’ “Game Over” criteria were met this week as those facts became crystal-clear.  I don’t like politics and refuse to take part in it, so I’ll just leave it at that.

Gerlt Technologies will no longer take new orders for our effects.  We do still have our popular 3U Pedal Racks available until our inventory is depleted.  New tariffs on metals will make them too expensive to restock, so get ‘em while we’ve got ‘em!  I have a handful of new modules that I’ll be completing soon.  I’ll still announce them when they are finished, just ‘cause.  We were already contemplating thinning out some of our guitars, amps, pedals, and maybe some components and other gear that have somehow quietly filled up all our available space over the past several years.  We may add some listings for those on the site or perhaps on Reverb in the coming months.  Keep an eye on us if you are interested in some lightly used gear in great condition.  I expect and plan this shutdown to be permanent, but maybe I’ll pop up and take a look around in a couple of years if enough major changes take place in government policy after the mid-term elections.   

It has been a lot of fun!  I enjoyed meeting thousands of you along the way – always the best part of any adventure.  Thank you all, and all the best to you and yours!

Bill Gerlt

President, Gerlt Technologies

26 August, 2025

 

New Module: AstroFuzz

Published: 12 April 2021 12 April 2021

 

 

Hello, Effects Fans!

Today we announce our new AstroFuzz module.  The AstroFuzz compares to the AstroTone Fuzz, Sam Ash Fuzzz Boxx, and Analogman AstroTone.  There was also a recent re-issue of the Sam Ash Fuzzz Boxx, which sadly seems to be about as rare as the original units. 

The opening riff in Elton John's Saturday Night's Alright has one of the classic 70's guitar tones.  It gets better every time you hear it!  If you haven't heard that tune in a while, head over to YouTube right now and give it a play.  We'll wait...

Did you also play The Bitch Is Back and Tiny Dancer while you were at it?  OK, we'll wait again...

OK.  That's better.  It isn't certain whether Davey Johnstone used an AstroTone Fuzz for Saturday Night's Alright, but many believe he did and it sounds exactly like it, whether he did or not.  While it is called a fuzz, it is more of a high-gain overdrive that maintains its clarity and articulation, without being too compressed.  It's a very open tone that begs for the volume to be cranked up.  More.  It is addictive and could easily become a key component of your tone.  Buffalo Springfield's Mr Soul, Neil Young's Cinnamon Girl, and some Boston tunes might also be dialed in.  In addition to classic rock and pop, it is excellent for blues and country.  It also handles bass better than most high-gain overdrive and fuzz pedals.  We like it served straight up, but it should also be a good effect for stacking.  Would love to try it in front of a hot Hiwatt, with a bit of windmilling on a P-90 SG, but don't have a P-90 SG...  yet...  If you have a clean-tone song that needs a little something more, a light dose of this might be just what you're looking for.

The AstroFuzz has quickly become one of our favorite modules.  It's as good as beer.  We keep to the original tone and design, but have a couple of options worth considering.

Such a classy, sassy tone and very fun to play.  It definitely puts a smile on your face!  It's like a time machine back to fun summer days of the mid-70's, rockin' that AM radio with Elton John, bell bottoms, and a cherry Kool-Pop while playing Jarts!

You can see the details about our AstroFuzz module at: AstroFuzz.  Or look for it in the Fuzz Modules section under Products -> Modules -> Modules By Type.