Linear Tube Audio ZOTL ULTRALINEAR, Руководство пользователя

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Changing tubes:
17JN6: The power tubes are self-biasing and do not need to be
matched for gain.
12AX7: The 12AX7s should be a matched pair.
12AU7: The 12AU7s should be a matched pair.
The sockets are tight, so gently rock the tube pins until you are
able to remove the tubes. We use high-quality ceramic tube
sockets with gold pins which are designed in such a way that the
white ceramic part may shift slightly. This is an intentional design;
the tube socket is very secure.
Given the tightness of the 12-pin tube sockets, the relatively small
selection of 17JN6 tubes available, and the high quality of the
tubes we supply with the amplifier, we do not recommend
changing the 17JN6s.
Before changing tubes, turn off the amplifier and wait at least 10
minutes to allow the stored power to discharge. Avoid touching
any of the components on the circuit board, especially the
vertical circuit boards.
Fuses : The ZOTL Ultralinear has two fuses on the power board and
a fuse in the IEC assembly. The fuses on the power board are one
3AG size, 4A, slow-blow fuse and one 5x20mm, 2.5A, fast-blow
fuse.
For more information and FAQs, please visit
www.lineartubeaudio.com or contact us at
hifi@lineartubeaudio.com.