Linear Tube Audio

Linear Tube Audio’s ZOTL (Zero hysteresis Output Transformer-Less) amplifiers were invented by scientist/physicist David Berning and is licensed to LTA.  ZOTL was and still is considered the most significant improvement to tube amplifier technology since the 1960’s.

ZOTL10 integrated amplifier

Transformerless ZOTL stereo tube amplifier 

“The Linear Tube Audio Z10 is a very special amplifier, and one I won’t soon forget. It combines the allure of tubes with the precision of a solid-state amp.”  Steve Guttenberg / CNET

“I would put the Z10 Integrated up against anything I’ve ever heard with a high degree of confidence.” Audiogon: User ghasley

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ZOTL 40 Reference Integrated Amplifier

Transformerless ZOTL stereo tube amplifier 

“The ZOTL40 Reference manages to tip-toe the line between a classic tube sound, and a modern, solid-state A/B amplifier; and does so while being dead silent. Yep, you read that correctly. Silent.” — Positive Feedback

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