Bring it back
to spec.
Repairing speakers and audio equipment since 1992. Voice coils, amplifiers, mixers — if it made sound, we can likely fix it.
Speaker repair from the people
who wind the coils.
When you send a driver for repair at SR, you send it to the engineers who manufacture the same voice coils, cones, and diaphragms used in the repair. There is no sourcing gap.
Speaker Recone
Full recone service for PA woofers, subwoofers, and studio drivers. We replace cone, spider, voice coil, surround, and dust cap — returning the driver to factory specification.
- 15" and 18" PA woofers
- Subwoofer drivers
- Studio monitor woofers
- Custom recone for any size
Voice Coil Replacement
Isolated voice coil replacement for drivers with intact cones and surrounds. We wind the coil in-house to match the original impedance and temperature specification.
- 2", 3", 4" diameter coils
- 4Ω and 8Ω windings
- Aluminium and Kapton formers
- Measured and verified post-repair
HF Driver Repair
Compression driver repair including diaphragm replacement, phase plug inspection, and motor assembly cleaning. Titanium and Mylar diaphragm options.
- 1" and 2" compression drivers
- Titanium diaphragm swap
- Mylar diaphragm option
- Horn and waveguide cleaning
Speaker Refurbishment
Complete speaker system refurbishment — driver recone, cabinet repair, grille replacement, and terminal replacement. Return a worn system to working order.
- PA system refurbishment
- Stage monitor refresh
- Cabinet repair & recoat
- Full system testing
Amplifier Repair
Professional amplifier repair covering output stage MOSFET replacement, transformer testing, PSU cap replacement, and protection circuit diagnosis.
- Class AB output stage repair
- MOSFET replacement (IRFP240/9240)
- Transformer testing
- Power supply overhaul
Mixer Repair
Mixing console repair including fader replacement, channel strip fault diagnosis, channel insert and bus routing issues, and power supply repair.
- Fader replacement
- Channel strip faults
- Op-amp replacement
- EQ circuit repair
Simple repair process.
No bureaucracy.
Contact Us
WhatsApp or call us with the driver model, fault description, and quantity. We will confirm if we can service it.
Ship the Unit
Pack the driver securely and ship to our Andhra Pradesh facility. We'll send you the address on enquiry.
Assessment
We inspect the driver on receipt and confirm scope of repair. No hidden charges — we agree before starting.
Repair & Return
Driver repaired, tested, and returned. We measure post-repair response and share if requested.
We make the parts
we repair with.
Unlike third-party repair shops that source generic replacement parts, we manufacture our own voice coils, cones, and spiders. That means an exact-grade repair — not an approximation.
Send Repair EnquiryIn-House Components
We wind our own voice coils and form our own cones. No sourcing delay for repair parts.
Exact-Grade Repair
Replacement components are matched to the original driver specification, not a generic substitute.
34 Years Experience
We have repaired every driver type manufactured in India over three decades.
Tested After Repair
Every repaired driver is bench-tested before return. No guesswork on whether it works.
Vintage Units Welcome
We carry vintage components and have repaired speakers from the 1970s onward.
Honest Assessment
If a repair isn't worth doing, we will tell you — and suggest the right replacement instead.