The below chart lists the type and number of tubes used in each of our amps.

Linear Tube Audio sources the best tubes we can find for use in our production units, tested and curated to provide the best experience for our customers. When you buy an LTA amplifier, know that it will come supplied with the highest quality, premium tubes we can find.

LTA Amplifier Model

Tubes Used

Input

Output

microZOTL Preamplifier

12AT7 (2x)

12SN7 (2x)

MZ2

12AT7 (2x)

6SN7 or 12SN7 (2x)

MZ3

12AT7 (2x)

12SN7 (2x)

Z10 Integrated

12AT7 (2x)

12AU7 (4x)

EL84 (4x)

Z10e

12AT7 (2x)

12AU7 (4x)

EL84 (4x)

ZOTL10 Mk II

12AT7 (2x)

12AU7 (4x)

EL84 (4x)

ZOTL Ultralinear

12AU7 (2x)

12AX7 (2x)

16JN6 (4x)

ZOTL40 Reference

12AU7 (2x)

12AX7 (2x)

EL34 (4x)

Tubes can be a Pandora’s Box or a rabbit hole, depending on your outlook. For many, the opportunity to alter and improve the sound of their amp by tube rolling, is one of the joys of owning a tube amp.

If this describes you, we encourage you to explore different tubes, and feel free to contact us with any questions you may have along the way.

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