Indy String Theory

Indy String Theory Indy String Theory is a luthier owned guitar repair & retail shop in the Fountain Square Luthier owned and Operated.

Fretted, folk, and Stringed Instruments, boutique effects pedals, amps, and accessories. Extensive Repairs, Custom modification, Custom builds.

05/05/2026

We’re hosting an open jam/open mic! 🎤

Add your name (or your band)🙋‍♂️🙋🏽‍♀️HERE, DM us or sign up in-shop!

Help us celebrate 10 years! Show us your talent while hanging with other local musicians!
Beer provided by 🍺
Grilled goods while supplies last 🌭
&more!

Sunday May 31st 11-4pm! See you there!

04/28/2026

We’re throwing a party! 🎉
Join us Sunday, May 31st 11-4 to celebrate our 10th year in business!

- We’ll have an open mic/open jam emcee’d by 🎤🎸🥁

- Beer from 🍻

- Grillin and chillin 🌭(while supplies last)

- “Behind the Bench” open house 🏠

- 10% off everything in the store 💸.
- & more tba! 🥳

We’re looking forward to seeing you and celebrating a decade of serving greater Indianapolis with friends and family.
See you there!

Booking now! Mark your calendar! The next Circuits & Synths workshop is June 29th! Link in bio! 🤖
04/21/2026

Booking now! Mark your calendar! The next Circuits & Synths workshop is June 29th! Link in bio! 🤖

A sneak peak of what we brought back from 🫣😮We’re cleaning them up for picture day before getting on the wall. Any gues...
04/13/2026

A sneak peak of what we brought back from 🫣😮

We’re cleaning them up for picture day before getting on the wall. Any guesses what they are? 🎸

Aaron was a friend and the first (and only that we know of) person to get the IST logo tattooed on his body. This loss w...
04/07/2026

Aaron was a friend and the first (and only that we know of) person to get the IST logo tattooed on his body. This loss was sudden and his family needs our support. Link in bio. Love and Miss you Aaron!

May 27th is back! 🤘🏻Come build your own 4-stage Fuzz pedal with designer and builder Rick Crownover. This pedal has bee...
04/06/2026

May 27th is back! 🤘🏻

Come build your own 4-stage Fuzz pedal with designer and builder Rick Crownover. This pedal has been in the studios and on the stages of great players and now you can build your own!

Admission is $120 and there are only 15 spots so book yours now! (Link in bio)

Show and Tell 🔎👀One of our favorite customers brought in these pre-war D-18s for show and tell (and to add a strap butto...
03/27/2026

Show and Tell 🔎👀
One of our favorite customers brought in these pre-war D-18s for show and tell (and to add a strap button to one):
1. 1935 D-18 toured by The Osborne Brothers
2. 1938 D-18 from the collection (just purchased at auction from )

03/10/2026

Ft Square is 🚧👷‍♀️ under construction🚧👷‍♂️

Have no fear, we are here! 11-7 Mondays & 11-5 Tuesday-Saturday

Thanks and for another great evening with our favorite songwriters. And to everyone who attended, it was an awesome ti...
03/05/2026

Thanks and for another great evening with our favorite songwriters. And to everyone who attended, it was an awesome time!

🤖BEEP BOOP🚨ALERT🚨The next Circuits & Synths workshop is BOOKED. Monday April 13th we’ll be hosting our second BYO Atari ...
02/10/2026

🤖BEEP BOOP🚨ALERT🚨

The next Circuits & Synths workshop is BOOKED. Monday April 13th we’ll be hosting our second BYO Atari Punk Console (analog oscillator) Workshop with Indy Synth Queen ‼️

Preorder spots are already selling so get on the list ASAP!LINK IN BIO

✨If you attended the last workshop, recommend it to a friend ❤️✨

Address

1311 Prospect Street
Indianapolis, IN
46203

Opening Hours

Monday 11am - 7pm
Tuesday 11am - 5pm
Wednesday 11am - 5pm
Thursday 11am - 5pm
Friday 11am - 5pm
Saturday 11am - 5pm

Telephone

+13175029184

Website

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