Tel: 877-769-0093
Welcome to the Home of TSI!

Your Northern New Jersey and Orange County New York
Pro Audio Resource


Techni-Serve Industries, conveniently located in Midland Park, NJ and Middletown, NY, provides maintenance & repair services for a wide variety of musical equipment including

vacuum tubes, electronic keyboard, transistors, solid state components

  • Tube and Solid State Amplifiers,
  • Digital and Analog Effects Processors,
  • Electronic Keyboards,
  • Electronic Drum Systems,
  • Analog Audio Tape Systems,
  • Digital Audio Tape Systems,
  • Hard Disk Recording Systems,
  • Mixing Consoles, Speaker Systems,
  • Computer Systems, and
  • Power Conditioning Systems.

See our Repairs page for details for each of our repair services.


We are a Factory Authorized Service Center for Akai, Alesis, ALLEN & HEATH, Ampeg, Audio Centron, BOSS, Crate, Crown, dbx, DigiTech, DOD, Eden, Electro-Voice, FATAR, Fender, Guild, HARTKE, Hughes&Kettner, Johnson's, Kawai, KORG, KURZWEIL, Line 6, Mackie, Marantz, Marshall, Motion Sound, Park, Peavey, Prime, QSC, Randall, Rane, Roland, Ross, Samson, Soundtech, SoundTracs, SWR, Tapco, Telex and Yamaha. (See our Resources page for a List of Sound System Manufacturers and Other Valuable Resources.)


We offer:

  • Comprehensive Estimate Service
  • Pick Up & Delivery Available
  • 48 Hour Expedited Service Available
  • Same Day Service With An Appointment
  • Qualified Electrical Engineers on hand
  • Convenient Location

Note: If you are shipping to us, you must first call for an RA# (Return Authorization Number) before sending unit.


We stock many of the necessary jacks and controls commonly worn or broken.  We have access to most of the modular power supplies, power supply components and display assemblies that commonly fail.  We also keep current with software upgrades for most digital signal equipment used today.  When your gear breaks down, our qualified staff will handle your needs in a timely and cost effective manner.



If you're a musician, remember to bookmark this page!



We serve the following areas:

Bergen County, NJ

Allendale, Alpine, Bergenfield, Bogota, Carlstadt, Cliffside Park, Closter, Cresskill, Demarest, Dumont, East Rutherford, Edgewater, Elmwood Park, Emerson, Englewood, Englewood Cliffs, Fair Lawn, Fairview, Fort Lee, Franklin Lakes, Garfield, Glen Rock, Hackensack, Harrington Park, Hasbrouck Heights, Haworth, Hillsdale, Ho-Ho-Kus, Leonia, Little Ferry, Lodi, Lyndhurst, Mahwah, Maywood, Midland Park, Montvale, Moonachie, New Milford, North Arlington, Northvale, Norwood, Oakland, Old Tappan, Oradell, Palisades Park, Paramus, Park Ridge, Ramsey, Ridgefield, Ridgefield Park, Ridgewood, River Edge, River Vale, Rochelle Park, Rockleigh, Rutherford, Saddle Brook, Saddle River, South Hackensack, Teaneck, Tenafly, Teterboro, Upper Saddle River, Waldwick, Wallington, Washington Township, Westwood, Wood-Ridge, Woodcliff Lake and Wyckoff

Essex County, NJ

Caldwell, Cedar Grove, Essex Fells, Fairfield, Millburn, Montclair, Nutley, Livingston, Orange, West Caldwell, West Orange

Passaic County, NJ

Kinnelon, Wannaque, Ringwood, West Milford and surrounding areas

Orange County, NY

Blooming Grove, Chester, Cornwall, Cornwall on Hudson, Crawford, Deerpark, Florida, Goshen, Goshen, Greenville, Greenwood Lake, Hamptonburgh, Harriman, Highland Falls, Highlands, Kiryas Joel, Maybrook, Middletown, Minisink, Monroe, Monroe, Montgomery, Montgomery, Mount Hope, New Windsor, Newburgh, Otisville, Port Jervis, South Blooming Grove, Town of Newburgh, Tuxedo, Tuxedo Park, Unionville, Walden, Wallkill, Warwick, Washingtonville, Wawayanda and Woodbury

Sullivan County, NY

Liberty, Monticello and surrounding areas

Pike County, PA

Matamoras, Milford and surrounding areas

TSI accepts Discover, Visa and Mastercard

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