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Fig. 3: Pin assignment DIGITAL INPUT/LINK
Buffer
Digital LINK
Power fail (Bypass)
Fig. 4: Digital INPUT Bypass
INPUT A
INPUT B
Fig. 5: NL4 Loudspeaker output
connectors and channel assignment
D6 Amplifier, Hardware manual
4.2.2. INPUT DIGITAL AES/EBU and LINK
A 3 pin female XLR AES/EBU [11] (AES 3) input and a 3 pin male XLR
LINK output [12] is provided.
The balanced input utilizes a transformer and is electrically isolated.
The digital LINK output may be used to feed a refreshed input signal to
the next device in the system signal chain. The signal shape (the rising
and trailing edges of the signal) and level are refreshed with an analog
signal amplifier.
A power fail relay is incorporated to prevent interruption of the signal
chain should there be a power failure. In this situation, the digital input
Digital INPUT
(AES/EBU)
signal bypasses the analog buffer amplifier and is routed directly to the
LINK output.
4.3.
The D6 amplifier is supplied with NL4 output connectors [13]. Pins
1+/2+ and 1
OUT A
AMP A
Pin equivalents of the amplifier's output connectors and the type of
loudspeaker cabinets are listed in the table below.
OUT B
AMP B
Tab. 1: D6 pin assignment
(1.2EN)
Loudspeaker output connectors - OUT A/B
WARNING!
The amplifier's output pins can carry dangerous voltages.
- Only use isolated loudspeaker cables with correctly mounted
connectors. Otherwise there is a potential risk of electric
shock.
- Never connect an amplifier output pin to any other in or
output connector pin or earth (ground). This might lead to
electric shock or damage the unit.
/2— are wired in parallel and carry signal.
—
D6 Output
NL4
+
1 + / 2 +
—
1 — / 2 —
Speaker type
NL4
TOP +
TOP —
SUB +
SUB —
Tab. 2: Pin assignment
loudspeaker
Page 11 of 20
1 +
1 —
2 +
2 —
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