Alto MICtube Owner's Manual page 5

Stereo tube preamp
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5 +20 dB PAD
A +20 dB PAD is available on each channel to attenuate the incoming signal
level to provide increased "headroom" for the operator. It can be used with high
output devices such as electric guitars.
6 COMBO Microphone (XLR) and Instrument (1/4 inch) input
Each channel of your
the front of the Unit for input signals from MIC XLR or instrument 1/4" input.
7 Input Gain Control (0 dB to +45 dB)
This control sets the amount of boost to the signal being processed by your
MICtube. You can use this control to adapt your
level (-10 dBV) or professional level (+4 dBu). Should the Gain be too low, the effect
of the tube becomes less audible and the S/N (Signal to Noise) ratio deteriorates.
In general, dynamic microphones and musical instruments without a built-in preamplifier
will require more gain than condenser microphones and instruments with a built-in
preamplifier. If you require a higher signal out of the
level, you can turn up the gain and you will get all the signal that you need. If you want
to obtain the best possible S/N (Signal to Noise) ratio and, as a consequence, a very
transparent sound, watch up the 8-Digit Output Level Meter.
8 Drive Control (-
You can achieve quite dramatic effects with this control depending on the settings
applied. If you want to "warm-up" the sound, you should apply a lower setting. This
setting can be used for microphones and for electric bass. The resulting sound
is sweeter and richer than the original. An over-driven signal can be achieved by
significantly. If you raise significantly the level of the Drive control, you will obtain
a much over-driven signal. This over-driven tube effect will give harmonicas a real
blues touch and it is also extremely useful in providing cool guitar sounds. The
possibilities of the Drive control of your
3. CONTROL ELEMENTS
3. CONTROL ELEMENTS
MICtube has a separate Combo XLR 1/4" connector on
dB to +5 dB)
MICtube to either home recording
MICtube for a higher recording
MICtube are really up to your imagination.
3

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