Edition Tube Anni Manu 1.0 23.04.2004 15:19 Uhr Seite 7
EDITION TUBE-MANUAL
2.0 STANDARD SETUP/CABLE CONNECTIONSY Unless youOre going for bizarre lo-fi effects, distortion
devices are not designed for use in an FX loop. As a rule
of thumb, any kind of device that compresses the signal
should be connected first in the signal chain. Depending
on the type of effect you want to achieve, you may
want to connect a compressor to the amp's input.
Y If you are using several processors or stomp boxes, ensure
you connect them in the proper sequence.
Volume pedals, wah-wahs and the like evoke a slightly
different sound and elicit a different response when you
plug them into the EDITION TUBEOs front panel input rather
than the effects loop. Both can sound hip, so which option
you choose is a matter of personal preference.
4.0 REPLACING TUBES, SERVICE AND
PREVENTIVE MAINTENANCE
Your EDITION TUBE features factory-equipped EL84 and
12AX7A tubes. They are first burned in and then checked
3.0 OPERATIONfor their electrical and mechanical properties (micropho-
nics), selected and matched, and then given a final audio
3.1 SELECTING SOUNDSand response test once they have been installed in a
EDITION TUBE. One of the most important steps in the testing
When youOre ready to tweak the settings for both of theprocess is power tube matching, i.e. selecting and pairing
fundamental sounds that the EDITION TUBE has to offer, wetubes with identical characteristics.
recommend you proceed as follows:
WHEN SHOULD YOU REPLACE TUBES?
Y Dial in all your sound settings with the guitarOs volumeENGLISH
knob turned all the way up so that it give the amp theThe tubes in your EDITION TUBE are of exceptionally high
highest possible level to work with.quality and will last extremely long. If you do encounter a
problem, first check whether one of the following situations
Y First concentrate on tuning the CLEAN channel VOLUMEapply:
knob to dial in the desired volume level and amount of
overdrive.Y Is the defect a problem caused by a faulty or worn-out
tube, or is there actually a peripheral problem, for instance
Y Once youOre satisfied with that sound, activate the LEADa defective speaker cable that caused damage to the
channel and use the GAIN knob to shape the secondtube? If this is the case, unless you correct the defect first,
fundamental sound to suit your taste.the problem will recur once you have installed a new tube.
Y Now adjust the LEAD MASTER to dial in the desiredY Did the AC power supply fluctuate during operation?
balance of levels between the LEAD and CLEAN channels.Whereas digital equipment often malfunctions when the
power supply dips below a minimum value, all-tube amps
tend to malfunction when the power level rises above a
3.2 USING SIGNAL PROCESSORScertain value. Generators and faulty high-power circuits
often cause these power fluctuations.
The EDITION TUBE is equipped with a serial effects loop. This
means that the entire preamp signal is routed to the FXY Did a fuse trip although there was no plausible cause?
device and processed there. For this reason, use only high-Aging fuses, particle ionization in the tube or spark-over
quality signal processors that do not color the signaldue to power spikes may cause this type of problem. In this
unnecessarily, add undue noise, or impair its sound quality.case, replacing a tube will not solve the problem.
CONNECTING EFFECT DEVICES:Y Old tubes begin to show signs of wear after they have
been in operation for a very long time: increased micro-
phonics and noise, treble loss, weak power output, muddy
Y Connect the SEND jack to the processor�s input, and the
RETURN jack to the processor�s output.sound, etc. are all indicators of pending tube failure. Power
amp tubes wear out faster than preamp tubes. If you
Y To avoid noise, signal loss, and signals from being cut off,encounter these problems, replace the tubes. Not only do
use high-quality patch cords only.old tubes sound bad, they also have a tendency to fail
altogether.
Y Make sure the processor is not distorting the signal. Check
the processor's level meter and use its input and output
controls to dial in a suitable level.
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