11
CURRENT METERS
As previously noted, there is one current meter for each channel on the front of the L-9000 (See
Figure 4). These meters indicate the potential for DC from the output of the third gain stage tubes,
the 6080s. The needles of the meters should be between 10 o’clock and 2 o’clock. However, because
of the floating power supply circuit, even if a needle falls to the extreme left or right of a meter,
there is no danger to the connected amplifier or speakers because any possible DC leakage will be
so small it cannot do damage; in fact, it can hardly even be measured. The variations in readings are
due to the characteristics of individual tubes; no two tubes are exactly alike in every way.
If a needle falls to the extreme left or right of the meter, try switching the 6080 tube of the channel
showing the drop for the one in the other channel. If that still does not rectify the situation, one or
both of the 6080 tubes may need to be replaced.
Within the tube warranty period, if any 6080 tube is outside spec as described above, please contact
your Allnic dealer or other authorized Allnic representative for assistance. Outside the tube
warranty period, Allnic Audio and its authorized representatives are still available to consult for
advice.
TUBES
The L-9000 OTL/OCL uses the following tubes (see Figure 5):
•
Two (2) x 6U8A
•
Two (2) x 12AU7
•
Two (2) x 6080
All consequences of changing or attempting to change tubes are borne by the user unless by express
agreement between the owner and Allnic Audio or its authorized representative. Allnic Audio and
its authorized representatives are not liable in any way whatsoever for any injury or loss incurred
by the user or for damage to the L-9000 OTL/OCL, any of its parts, or tubes or replacement tubes
resulting from the user changing or attempting to change tubes.
Summary of Contents for L-9000
Page 1: ...ALLNIC AUDIO L 9000 OTL OCL LINE STAGE PREAMPLIFIER OWNER S MANUAL...
Page 14: ...14 FIGURES Figure 1 L 9000 OTL OCL Left Side Panel View...
Page 15: ...15 Figure 2 L 9000 OTL OCL Rear Panel View Figure 3 L 9000 OTL OCL Remote Control...