Transcendent Sound

DIY Specialist in Vacuum Tube OTL Amplifiers


Hi-End Audio For the Rest of Us

Making Music Better

Your Music

Your Experience


Transcendent Sound produces vacuum tube audio amplifiers that utilize OTL (output transformerless) technology.  This is where the vacuum tubes directly drive the loudspeaker with no intervening transformer. The result is an unbelievable clarity and realism that no other configuration can achieve.  The music leaps out of the loudspeaker and floats in the room eliminating any “box” like sound.  It is silky smooth yet possesses uncanny detail and three dimensional imaging.  It has to be heard to be understood.  Words alone cannot reveal the OTL tube amp experience.  We also have a world class tube line level preamp and tube phono preamp.  Our tube amps and preamps are renown for their extremely low noise and musicality.

Our designs emphasize simple, trouble free operation.  They are extremely long lived and reliable.  Many of our tube amps have been performing flawlessly for well over 10 years.  They just keep working.  Our equipment is hard to find on the used market simply because people rarely sell it.   To support the DIY tube audio hobbyist, all equipment is available in kit form.  Our instruction manuals are superb with dozens of color pictures and each assembly step is accurately detailed.  If you can solder, you can build a Transcendent Sound product.  In support of DIY tube audio, our top-of-line BEAST OTL amplifier has circuit boards and complete plans available for purchase.





Build it Yourself and Save 

Our products easily outperform dealer supplied equipment that costs over four times as much.

Proof?  Ask someone who owns one.

Where?  Thousands of products sold worldwide.

Making tube amps since 1995.


    We Specialize In

VAcuum Tube audio

OTL vacuum tube amps

tube Preamps, line and phono

diy tube audio Books

Experience the best sound with a Transcendent OTL tube amp!

If You Love Music...

  If You Love Audio...

     You Will Love Transcendent Sound!

No Nonsense, No Hype.

    Just Performance. 

       The Best Performance.