Cable Recommendations

Even ganging together leftover junk interconnects are normally good enough for 50 ft sub amp runs, so all you need is the cheapest RG59 available locally or from here: For only $4.60 each when QTY 50+ purchased - 50ft Coaxial Audio/Video RCA Cable M/M RG59U 75ohm (for S/PDIF, Digital Coax, Subwoofer & Composite Video) | High Quality Digital Audio Cables

Or the longer run capability of RG6 if you've been swayed by marketing hype or have real world RF interference issues where you live such as near an airport like I do: For only $8.09 each when QTY 50+ purchased - 50ft High-quality Coaxial Audio/Video RCA CL2 Rated Cable - RG6/U 75ohm (for S/PDIF, Digital Coax, Subwoofer & Composite Video) | High Quality RG6 Digital Audio 24K Gold-Plated Cables w/ Fancy Connector

GM
 

SY

diyAudio Moderator Emeritus
2002-10-24 10:19 pm
Chicagoland
www.SYclotron.com
Huh? But that's what he wants to do. I think.

If that's the case (wasn't clear to me), then the lowest C cable he can find. RG62 is pretty good, about 13pF/ft. For a 30 ft run, that's only 390pF. It's probably a good idea to put a 1k resistor in series with the sending end, just for insuring preamp stability.
 
Keep in mind that coax cable is 75 ohm. I rewired a 4 room hifi store that used coax in wall for subs and just switching to generic ok quality RCA cable made a world of difference. Spend around 40 bucks on a 30 foot cable, says I.

While 75 Ohms is surely the most common value, other common co-ax's are available from about 30 Ohms to 150 Ohms. And a very few with even higher values.
 

tb46

Member
2006-01-09 7:04 pm
Texas
Hi guys,

I like to use FTP (foil shielded twisted pair). Use the pair for signal transport, and the foil (w/shield wire) for shielding. Connect the shield at the sending side only. 24 (or 22) AWG is fine, this cable is great for all kinds of audio signal transmissions.

Regards,