DFX D4/6S-BLACK white paper_EN

DFX D4/6S-BLACK white paper_EN
D4/6S-BLACK
whITE PAPEr
Audio, DMX and AES/EBU cables: a primer, and how the Digiflex
D4/6S-BLACK multipurpose cable addresses the multiple needs of
modern production companies.
Audio, DMX and AES/EBU cables appear quite similar but have
important core differences which determine how each can be used.
All of three cable types use shielded twisted pairs but the electrical
characteristics are quite different:
• DMX cables require a 100 ohm or greater impedance, and low capacitance;
• AES/EBU cables require an impedance of 100-120 ohms and very low capacitance (15 pf/foot) to effectively
transport the data;
• Typical audio cables have an impedance of around 75 ohms and a capacitance of 45 pf/foot.
Using an audio cable for DMX or AES/EBU can cause glitches due to the higher capacitance and lower
impedance of the audio cable distorting the rises of the data signals. Using a DMX or AES/ cable for audio will
work however as analog audio cables are not as sensitive to changes to impedance.
As an additional benefit, we can now use a single cable to address all types of DMX cabling requirements and
make troubleshooting simpler.
Our newly redesigned D4/6S-BLACK has the following features:
• Four conductors in a star quad configuration for superior noise rejection;
• Tightly braided shield to block EMI, offers a greater than 95% coverage;
• 110 ohm impedance and 15.9 pf/foot capacitance for impeccable data transfer and pristine audio quality;
• Flexible PVC jacket, ruggedized for touring applications.
rEVISIOn 2
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D4/6S-BLACK
SPECIFICATIOnS
D4/6S-BLACK
Four conductor cable, overall braided shield,
flexible matte finish PVC jacket
Put up 1,000 ft. ± 10%
CONDUCTORS
Four 24 AwG stranded
(42/40) bare copper
conductors
DIAMETER
.238" ± .010"
NOMINAL IMPEDANCE
110 ohms
(±6% over 1000 ft)
INSULATION
15 mils of high density
polyethylene
NOMINAL CAPACITANCE
15.9 pf/ft
ASSEMBLY
Cotton fillers as
required for roundness
VELOCITY OF
66%
PROPAGATION
SHIELD
38 AwG tinned copper
providing >95%
coverage
COLOUR SEQUENCE
JACKET
1 - Blue
2 – white
3 – Blue
4 – white
26.7 ohm/kft @ 20°C
CONDUCTOR
RESISTANCE
PRINT LEGEND
Digiflex D4/6S Premium
Quad Cable : Mic/Line
DMX : AES/EBU
TEMPERATURE
-30°C to 75°C
RoHS Compliant
43 mils of flexible PVC
rEVISIOn 2
digiflexcables.com | info@digiflexcables.com
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