Ashdown AA-100R Gebruikershandleiding - Pagina 8

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AA-50R & AA-100R

BALANCED DI

Two balanced DI outputs are provided on the preamp for direct connec-

tion to a balanced 'Mic' input on a mixing desk. These may be used for

either Direct Injection of the instrument into a PA system or for recording

purposes. The balanced DI's are provided on standard Male XLR sockets

located on the back panel. The two balanced XLR DI sockets are marked

PRE EQ and POST EQ. The PRE EQ socket takes its signal from before the

graphic equaliser.

POST EQ takes its signal from after all equalisation, after the internal

effects, and after the effects loop, but before the master level

control. The level of the DI output is fixed at a suitable level to suit the

low impedance 'Mic' input on a mixing desk. This level is dependent on

the setting of the INPUT GAIN control and it is important to have this set

correctly ( see INPUT GAIN section ). The circuit driving the DI sockets

has been re-designed to produce a lower noise output than the previous

generation of amplifiers.

MAINS INLET SOCKET & WARNING

For connection to your countries mains supply. Ensure that the amplifier

has the correct voltage marked on the back panel for your country prior

to connecting the mains power cable to the supply. For your own safety

be sure that the power supply socket that you are plugging into is ade-

quately earthed. The MAINS INLET also contains the fuse carrier beneath

it that holds the 20mm supply fuse for the unit. In the event of failure of

this fuse always replace it with the same rating and type as marked on the

rear panel (see Safety Instructions section).

AA-50R & AA-100R

USER GUIDE

POWER SWITCH

This is used for turning the power to the unit ON and OFF. The POWER

LED on the front panel will light to indicate when the power to the unit is

turned ON. Always make a habit of reducing the MASTER LEVEL control

to zero before turning the unit on or off. This is just good sense really as

any instrument connected to the input of the amplifier could cause hum

pick up or start feeding back if left unattended when the unit is switched

on.

THE SPEAKERS

These combos all use multiples of 5" speakers. The AA50R utilise two

such units, the AA100R have four. 5" speakers were chosen for their ability

to handle a wide frequency spectrum, especially the top end, as a clear

and clean high frequency response is essential for accurate reproduction

of acoustic instruments.

USER GUIDE