It's nothing to worry about until you get in the neighborhood of 1000 ft.

There shouldn't be any noticeable loss with 50 ft. But try to stay away from Monster. A friend of mine recently upgraded to Monster from his Yorkville Belden cable. He switched back to the belden's 'cause the Monster's sucked so bad. Mogami is the way to go. Check out http://www.redco.com for some very reasonable prices and friendly service.

Like the others said, the HF attenuation from capacitance won't even approach the audio band at only 50ft with any type of cable, so long as your mics are low impedance.

If you're worried about it though, use low-capacitance cable.

High-guage (thin) Star-Quad cabling has the best science behind it. The capacitance might be slightly higher than non-quad cable but it could potentially sound better.

I agree with dasbin. Quad cable is better for long runs. I use Mogami quad cable on my longer runs.

I made a snake some time ago - 19 channels (16 in, 3 out). To test it out I plugged a mic into channel one on the box. I took connector 1 on the fan-out and stuck it into 2 on the box - 2 -> 3, etc. I did this until I had ALL the leads tied together in one big chain - 1900 feet of cable.

While I didn't do any critical listening or A/B testing, I did not hear any significant difference between the mic on a short cable and the mic through 1900 feet of snake. I have thought about doing this again but recording white or pink noise through it to see exactly what happens - but until then, I'm not sweating it.

I bet that sucker weighs a ton!

I bought a garden-hose reel at Walmart - I roll it up on that. I don't skip when I carry it. :D