Does a flexible 75 ohm coax exist?

Lo and behold, the ultra flexible Klotz 75 Ohm cable also exists in nice blue that goes well with the blue LEDs :) Check those connectors by Neutrik. Silver AND gold and the best system for coax SPDIF all together, boy oh boy.

The 1 meter version is called: SWCN0010BL

BNC design: plug - plug
manufacturer BNC: Neutrik®
shell/sleeve: blue
cable type: VA063LB
cable color: blue
weight: 0,11 kg
length: 1 m
stock: on request
€26.54 / pcs

KLOTZ AIS GmbH | professional word clock cable

Now someone will point to resale value, crappy RCA connectors already being there, the WHY? etc..... Then a surprise for 2.23 Euro/meter:

KLOTZ AIS GmbH | 75 Ohm - analog video patch cable

Thank your for the tip, its a outstanding cable, great
 
Flexible 75Ω cable won't be 75Ω once you flex it - that's physics! Having said that Klotz, Belden or Canare any-day. Mogami, no, too soft IME. Canare make a series of 75Ω RCA connectors dedicated to each specific Canare 75Ω cable, but you'll need to spend an lot on the appropriate termination tools to use the Canare RCAP connectors. It cost me around AU$1000 to tool up to use Canare RCAs to make Canare interconnects properly.

Using a BNC - RCA adaptor just adds another source of VSWR, without fixing the original problem of poor connector impedance interface, so don't do it. And as pointed out above, SPDIF is more like analogue when it comes to transmission down a cable. Mismatched cable impedance/connectors corrupts the edge shape of the waveform transitions which introduces jitter in the receiver circuit.
 
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