Ashdown Engineering CTM-30-LITTLE STUBBY Guia Del Usuario página 3

CTM-30-LITTLE STUBBY
Instrument Input
There is one instrument input, with a Sensitivity switch. The high sensitivity
toggle is a high impedance toggle to suit passive bass instruments. The
Low sensitivity toggle has an impedance to accurately match the signal
from active bass instruments i.e. Those with a built in battery powered
pre-amp.
Drive
This works as a gain control from crystal clear tones through to full bore
rich harmonic distortion... A little can go a long way...
Feedback
The feedback control alters the slope of the lower frequencies in the bass
control section.
Bass, Middle & Treble Passive EQ
This consists of bass, middle and treble controls with a vastly enhanced
range of over 40dB at full output.
Volume
The output control adjusts the overall level of the amplifier. Adjust this for
your preferred overall stage playing volume.
VU Meter
The VU meter provided on the front panel gives you a a visual dispaly of
output of the amp as its being played. This can be used to ensure clean
headroom or for something a little more agressive....
CTM-30-LITTLE STUBBY
USER GUIDE
Effects send/return
A tube driven and recovered effects loop is provided, this is situated be-
tween the preamplifier and power amplifier ahead of the master volume,
The signal level is suitable for driving a wide range of effects pedals , the
level present being entirely dependent on the level of pre gain being
used. Only effects should be used in this loop.
D.I.
A DI is provided on the rear panel , connection is made via a TRS type
jack socket .This is transformer derived from the output and as such
will have all the adjustments made with the tone controls , all effects in
use and some influence from the speaker in use.The level obtained is
dependent on playing volume. But as a general rule is suitable for line
level (0,775V).
The DI is totally isolated and as such may be used as a line out ( note a
TRS jack MUST be used and you can obtain an in phase or out of phase
signal) Note That the amplifier must always have a Load connected. This
can be a speaker or a load box for silent recording.
Speaker Outputs
Two speaker output sockets are provided at an impedance of 8 or 4
ohms only ONE must be used at any one time , the socket being chosen
to match the impedance of the cabinet combination in use at the time.
Note That the amplifier MUST ALWAYS have a Load connected. This can
be a speaker or a load box for silent recording.
USER GUIDE