Hughes & Kettner Warp T handleiding
Handleiding
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4.4 THE WARP-T AND MIDI
With the MSM-1 MIDI Module installed, you can
switch the FX loop (to include switching between
serial and parallel modes) and select WARP-T™
via MIDI. This gives you the very convenient option
of switching the WARP-T™ and multi effectors
simultaneously.
WARP T - MANUAL
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ENGLISH
5.0 REPLACING TUBES, SERVICE AND
PREVENTIVE MAINTENANCE
The WARP T™ ships with 6L6 and 12AX7 tubes by
RUBY. Once they’ve been burned in (initial conti-
nuous operation under a load), these tubes undergo
an in-depth selection process where their electrical
values and mechanical status (microphonics) are
checked. Then they’re installed in a test amp and
their sound is auditioned by ear. One of the most
important steps is power tube matching, a process
whereby tubes with the same characteristics are
selected and combined to make matched sets.
When is it a good idea to replace
tubes?
The tubes in the WARP T™ are exemplary in terms
of quality, workmanship and long service life. If
you encounter a problem, please run down the
following checklist before you swap your old tubes
for new ones:
Was the fault or failure of the power tube caused
by the tube itself or a flawed peripheral device or
component, perhaps a defective speaker cable?
(If you don’t get to the bottom of the problem
and remedy it, it may crop up again even after
you replace the tubes.)
Did the mains voltage fluctuate or spike while
the amp was on? In all-tube amps, over-voltage
surges in the mains net can certainly blow fuses or
even the amps. Over-voltages are often caused
by generators or faulty high-current power circuits.
Did a fuse blow even though none of the tubes is
actually defective? An old fuse, tube de-ionization
or mains voltage power surges could have caused
it to blow. In this case, replacing tubes is a waste
of money and time.
Tubes definitely show signs of wear when their
service life nears its end, including increased
microphonics, noise, muddier tone through loss
of high-end frequencies, degraded performance,
etc. Take these indications seriously and replace
old tubes. Not only do these side effects take their
toll on sound quality, they are also a sure sign that
the tube is about to fail.
NOTE
Though it may be tempting to find out what an
amp sounds like with different tubes, please
refrain from replacing tubes for experimentation
purposes. This can damage the amp and cost a
small fortune to repair.
WARP_T_BDA_1_0web 25.06.2003 13:54 Uhr Seite 11
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Productinformatie
| Merk | Hughes & Kettner |
| Model | Warp T |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 7854 MB |
