Gear / Technical Help > Cables

Making an AES > SPDIF cable

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Brian Skalinder:
Finally made my AES/EBU > S/PDIF cable.  Pinouts and parts list below.

XLRs from V3 > impedance transformer:

Pin 1 - shield
Pin 2 - (+)
Pin 3 - (-)

BNC/RCA pinout:

Center pin - (+)
Outer ring - (-)
Shield - not used

Parts list (of course, other connectors and cabling may be used, but I've used and liked Canare products in the past):

Qty  |  Markertek Part#  |  Description
------------------------------------------------------------------------------
  1  |  NC3FRC-B         |  3-pin XLR female, right angle, gold contacts
     |                   |  Plugs into V3
 10  |  DA-202           |  2-channel digital audio cable, 110 ohm, 10'
     |                   |  Run b/w female XLR f/V3 and male XLR to imp trans
  1  |  NC3MX-B          |  3-pin XLR male, gold contacts
     |                   |  Plugs into impedance transformer
  1  |  BCJ-XJ-TR        |  Canare # BCJ-XJ-TR, impedance transformer
     |                   |  XLR female, 110 ohm > BNC receptacle, 75 ohm
  1  |  BCP-C4           |  Canare # BCP-C4B
     |                   |  BNC connector, 75 ohm
 10  |  LV-61S BE        |  Canare LV-61S, black, 10'
     |                   |  Digital cable, 75 ohm
  1  |  RCAP-C4A         |  75 ohm RCA connector
Thanks to TapeItNow, an even better suggestion than building the BNC / 75-ohm coax / RCA part of the cable:  simply use a BNC/RCA adapter from Radio Shack, then you can use any old RCA/RCA 75-ohm coax cable to run from the impedance transformer/RS adapter to your deck/7-pin cable or whatever.

utahtaper:
What I did was make a foot long 110 cable with a rt angle to plug into the MMe/V3 end. Then I bought the 110>75 Canare impedance converter and plugged that into the other end of the 110 cable(which is straight) and I can feed any deck from that connection. I actually reserved that connection for myself and let the patchers have the spdif.

F.O.Bean:

--- Quote from: utahtaper on October 18, 2003, 01:05:53 AM ---What I did was make a foot long 110 cable with a rt angle to plug into the MMe/V3 end. Then I bought the 110>75 Canare impedance converter and plugged that into the other end of the 110 cable(which is straight) and I can feed any deck from that connection. I actually reserved that connection for myself and let the

this is my next project w/ the v3 8)
--- End quote ---

tim in jersey:
I'm just about ready to build one of these for myself. I plan on using XLR> soldered RCA (one of those cool Neutriks w/ the spring-loaded sleeve).

What is the pin assignment for the RCA end?

leegeddy:
make sure you're using 75ohm s/pdif (digital) cables.  i highly recommend Canare or Belden brands.

RCA:        XLR:
tip (+)      Pin 2
shield (-)   Pin 3
shield (-)   Pin 1

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