Been jamming a lot on my 5-string over the past few days. I don't like playing it live very much (though I will if I have to) but I've been enjoying it at home. I also have a 4-string that's very similar with the same EMG PJ pickups and BQC preamp, so I plugged it in and WHOA!!! It was considerably louder than the 5. For about an hour I was perplexed why it would be so much louder when everything was the same. Then it dawned on me...everything ISN'T the same. My 5 has Dunlop Super Bright Nickels, and due to the E string always breaking on me when I try to put it into the Sperzel tuner vs the Schallers on the 5, I had to leave the D'addario XL's on the 4. Yeah, that'll do it. It's not a subtle volume difference, either. The XL's are noticeably louder. Doesn't bother me so much that the XL's are so much louder, but what does bother me is that I love Dunlop SBN's so much and they don't make the E with a shorter speaking length so it'll fit in the Sperzel. So I'll probably live with it, but if any of you know what kind of strings have a similar feel and sound to the SBN's, I could be talked into trying them provided they'll fit into the Sperzel without breaking. I heard DR has a set that's similar but I don't know which. So if anyone can suggest something similar, please let me know, and also if you can tell me length from ball end to the end of the speaking length on the tuner side, it would help me decide whether they'd be worth it to try. To sum it up...they need to come with a 40 G and no bigger than a 100 E, low tension, similar sound and output to Dunlop SBN's, and not be ridiculous expensive. TIA!