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CTM-300

FACILITIES AND CONTROLS (

NOTE THAT THESE vARy ACCORDINg TO THE mODEL

INPUTS

There are two instrument inputs marked LOW and HIgH. The LOW input is highly sensitivity and also high impedance

to suit the output from PASSIvE (Low Output) basses - The HIgH input is low sensitivity and lower impedance to suit

the output from ACTIvE (High Output) basses. Plugging an active (High Output) bass into the LOW input will overload

the input, creating a fatter, warmer and more distorted sound. Experiment by plugging your bass into either input to

achieve the desired sound. On models with a single input this will be suitable for both Passive and Active basses.

EFFECTS SEND AND RETURN

These 1/4" jack sockets should be used to connect to an external effects device or pedal board. The EFFECTS SEND

output should connect to the INPUT of the effects unit, and the output of the effects unit should be connected to the

EFFECTS RETURN input Note that the signal level is at instrument level so this loop is suitable for effects pedals.

EQ CONTROLS

Use the mIDDLE, BASS and TREBLE controls to effect the overall tone of the sound.

mID SHIFT

Causes the mIDDLE control to operate at different points in the frequency spectrum dependant on the button being

either in or out.

BASS SHIFT

Causes the Bass control to operate at different points in the frequency spectrum dependant on the button being

either in or out.

BRIgHT

Adds an overall brightness to the sound when in the up position. (Note: The BRIgHT switch is not effective when the

gAIN control is set to full).

Ashdown Amplifiers reserve the right to change specifications without notice. E & O E. All contents © Ashdown 2012.

www.ashdownmusic.com

USER MANUAL

VALVE

)

CTM-100

mELLOW

Softens the overall tone slightly

gAIN

This controls the level of the signal sent to the mASTER section. To achieve a cleaner sound, turn the gAIN control

down and the mASTER up. To achieve a richer, more distorted sound, turn the gAIN control up and the mASTER

down.

mASTER

This controls the overall output volume of the amplifier.

mUTE

In the in position, this switch mutes the out put of the amplifier (useful for tuning, etc.).

PRE/POST

This switch determines whether the signal from the DI OUTPUT (see Rear Panel Facilities) is taken before/PRE the

EQ section (down position) or after/POST (up position).

vU mETER

The vU meter provides a visual indication of the output level of the amplifier. It also acts as a bias meter, ( not on

CTm15 ) please see the following page for more details.