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9 ULTRA-DI PRO DI800 User Manual
◊ Before connecting to a loudspeaker connector, please make
sure that the GROUND LIFT switch is in the ON position
(no ground connection). This prevents accidental shorting
of the amp output. Besides, the tip of the input connector
should be connected to the speaker connector marked with
red. The metal casing of the DI800 should in no case have
physical contact to other equipment.
4. Audio Connections
◊ Please make sure that your DI800 is installed and handled
only by people with enough technical expertise. Assure that
those operating the unit during and after the installation
are sufficiently grounded. Otherwise, electrostatic charge
may alter the performance of your equipment or damage
it permanently.
output
For unbalanced use, pin 1 and pin 3
have to be bridged
1 = ground/shield
2 = hot (+ve)
3 = cold (-ve)
input
12
3
1
2
3
Balanced use with XLR connectors
Fig. 4.1: XLR connections
strain relief clamp
sleeve
tip
sleeve
(ground/shield)
Unbalanced ¼" TS connector
tip
(signal)
Fig. 4.2: ½" TS connector
strain relief clamp
sleeve
ring
tip
sleeve
ground/shield
For connection of balanced and unbalanced plugs,
ring and sleeve have to be bridged at the stereo plug.
Balanced ¼" TRS connector
ring
cold (-ve)
tip
hot (+ve)
Fig. 4.3: ¼" TRS connector