ADC Baluns User Manual
Digital Audio Coax Baluns Series
BNC
75
to 110
Transformer
Twisted
Pair
(Balanced)
Connector
XLR
E3
QCP
Attenuation
Pad
BNC
75
to 110
Transformer
Twisted
Pair
(Balanced)
Connector
XLR
E3
QCP
(Front View)
Spec Sheet
Multi-Circuit
Digital Audio AES Balun
(Back View)
BNC to XLR
Inline Baluns
UniPatch System fully loaded with 16 AES
Baluns for 64 110-75 Ohm circuits
(allows modules to be mounted either way)
ADC proudly offers a full series of precision Balun products: three XLR to BNC Inline Baluns;
plus numerous Multi-Circuit Baluns that can be used in our UniPatch® system or in
throwdown applications.
For over 50 years ADC has been the leader in audio and video patching products with unsurpassed
quality, reliability and innovation. To complement its full line of connectors, ADC has introduced
a series of 110 Ω to 75 Ω AES impedance matching Baluns. By converting balanced signal over
twisted pair cable to unbalanced signal over coax, the Audio Coax Balun permits the extension
of digital audio signal transmission distances.
Application
Connects, extends and lengthens digital audio
cable runs by converting twisted pair to coax.
Series Features
• Signal distribution to use with video patch
panels, routers and VDAs
• Permits longer cable runs over coax
• SMPTE 276M & AES3 Transmission Standards
• Capable of carrying 2 channels AES/EBU
digital audio over coax
Balun Circuitry with Attenuation Pad
Balun Circuitry
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Digital Audio Coax Baluns Series
(3.37”)
85.5 mm
(0.75”)
18.9 mm
(3.37”)
85.5 mm
18.9 mm
(0.75”)
(3.09”)
78.4 mm
(0.75”)
18.9 mm
Inline XLR to BNC Baluns
Features
•
Digital Audio Impedance Matching
• Precision machined robust body and connectors
BNC to XLR
Inline Baluns
Specifications
ELECTRICAL
Operating Range: .1-6 MHz
Maximum Voltage: 5 Vpp
Return Loss: Better than 23 dB
Insertion Loss: Better than .26 dB
MATERIAL
Precision machined brass bodies
ENVIRONMENTAL
Tested to IEC68, MIL-STD-202
Digital Audio Coax
1 0 / 0 6 • 1 0 3 4 1 3 A E
O r d e r i n g I n f o r m a t i o n
Description Catalog Number
Inline Baluns, Twisted Pair-Coax, 110
Inline Male XLR to BNC Balun BAL-XLR-BNC-M
Inline Female XLR to BNC Balun BAL-XLR-BNC-F
Inline Female XLR to BNC Balun with 10 dB Attenuation BAL-XLR-1VBNC-F
Ω – 75 Ω
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2
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