Indy String Theory
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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.
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!
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!
04/21/2026
Booking now! Mark your calendar! The next Circuits & Synths workshop is June 29th! Link in bio! 🤖
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? 🎸
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!
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)
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 )
Click here to claim your Sponsored Listing.
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Telephone
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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 |