How to connect C2500, MC501 and Two Subs


I read somewhere you could connect subs from the MC501’s RCA interconnects even though the amps XLR’s are being used to connect to the C2500 preamp? Is this possible? I’m trying to save money, assuming the subs will sound great next to each amp, by not paying for longer XLR or RCA cables. So is the above correct, or?
roddyboy
OP I have a great looking XLR cable source if you wait for 1-3 weeks

Ask the guy to make up the length. I had 2 cables of very like construction made, for a picky a$$ friend. 8 meters long (26 feet).

I use these on everything.. 29.-200. or so. DEAD quiet without active shielding, noise reduction is through the construction and the weave.

They keep the signal as it should be from the source. If that happens to be dynamic that is what comes out the other end... No hype... A true meat and potato cable.. I've found nothing better. Sound different YES, better NO.. Very good approach to cabling..

Under 200.00 per pair

https://www.ebay.com/itm/202814766958?var=502976258674

I also had some 5 meter locking RCAs lose weave OCC/silver clad.
69.99 a pair.. 

https://www.ebay.com/itm/202805105300

These are very good cables and VERY pretty if you're into that too..
I use this in .5 and 1 meter with my Samra C20 and C11, Stunning...
C20 with Mc60s, 225, 240, 275 all pre 1965. Those cables.. Make a wonderful addition in the old copper grid Mac ICs and Speaker IC.

The XLR weave is a great speaker IC to..  OCC/silver clad PTFE weave.. OCC PTFE too

Regards
I have a McIntosh C2500 and a pair of JL Audio F113V2 subs and the "A" output on the preamp connects it to an MC452 power amp and the "B" output connects to the JL Audio subs.

In my case I use the XLR outputs in both cases, you could do the same using the single-ended (RCA) outputs.
SVS SB-1000 Pro comes with speaker level input.

If the subs are close to the amps, why not use the high level input on the subs? Just run any wire from speaker terminals to sub.