Hughes & Kettner ATTAX 50 Manuel d'utilisateur télécharger pdf (Page 8)

ATTAX-MANUAL

3.0 STANDARD SETUP/

CABLE CONNECTIONS

4.0 OPERATING THE ATTAX 50

4.1 SELECTING CHANNELS

Use the CHANNEL SELECT switch or an external footswitch

to change channels.

NOTE: Before using a footswitch, set the CHANNEL SELECT

switch on front panel of the amp itself to the CLEAN positi-

on.

4.2 THE ATTAX 50 AND SIGNAL PROCESSORS

The effects loop on the ATTAX 50 is a serial effects loop,

meaning that the entire preamp signal is routed to the FX

device and processed there.

To connect a signal processor:

- Connect the processor‘s INPUT to the ATTAX LINE OUT

jack and the processor‘s OUTPUT to the ATTAX LINE IN

jack.

- To avoid noise, signal degradation, and interrupted signals,

only use high-quality patch cables.

- Make sure the processor is not distorting the signal. Check

the processor's gain LEDs (if it is equipped with this type of

display) and use the input and output controls to dial in a

suitable level.

- 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 your compressor directly between the

instrument and the amp's input.

- If you are using several processors or stomp boxes, ensure

you connect them in the proper order.

4.3 THE ATTAX 50 AND MIXING CONSOLES

If you want to feed the ATTAX 50's signal to a mixing con-

sole, we recommend you route it through a Hughes &

Kettner RED BOX. Patch the signal from the LINE OUT jack,

as this signal path's level is not influenced by the MASTER

setting. The RED BOX balances the signal and simulates a

speaker cabinet.

5.0 SERVICE AND PREVENTIVE

MAINTENANCE

The ATTAX 50 does not require service of any type.

However, there are a few precautions you should heed to

ensure your amp lasts for many years.

- Ensure all peripheral devices, cords and cables are in a

state of good repair. Defective speaker cables are the most

common cause of power amp failure. Poor-quality cables

will cause hum and undesirable noise.

- Make certain your amp's ventilation ducts are not blocked

or covered. Proper cooling will prolong the life of your

amp.

- Avoid mechanical shocks and exposure to extreme heat,

dust and especially moisture.

- When connecting peripheral devices, always pay close

attention to their specifications. Never connect devices with

high output signal levels (e.g. power amps) to your amp's

input.

- Ensure you have the correct AC power rating available

before you plug in the amp. If in doubt, ask the venue's

sound technician or the custodian of the building you are

rehearsing in.

- Refrain from do-it-yourself repairs! Have a qualified servi-

ce technician replace internal fuses.

With the unit off and unplugged, use a soft damp cloth to

clean the exterior surface of the ATTAX 50.

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Hughes & Kettner ATTAX 50 Manuel d'utilisateur Page 8

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