Question about a Rumble 40. Sorry if this has been asked before!
I usually play using the PHONES out jack, all sounds great. If I plug something into the AUX IN jack to play along with other music, the audio seems to cut down to mono for each source- like my bass comes through one ear of my headphones, the AUX IN source comes through the other
Can anyone say if this is normal behavior? This aux cable that I'm using is suspect... found it balled up in a drawer and it seems finicky. I'm wondering if it would be worth buying a new aux cable to try to fix the above behavior, or if it's working as intended. =/
No, not normal. If you look at the block diagram, the stereo aux in goes thru to the phones as stereo, but is summed into mono for the main speaker.
https://www.talkbass.com/wiki/fender-rumble-club/#31-fender-rumble-v3-block-diagrams
Is your aux cable a TRS (stereo) cable?
Nope, not normal. Be sure your Aux cable is a stereo TRS (Tip-Ring-Sleeve):
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