Not a five, but several sixes with 34". B strings were (are) fine- not really a noticeable difference in tone or tension IME.
Yes, my fretless Elrick is 34" (the fretted 6 was 34" as well; sold it to order a new Elrick with tighter spacing, life happened and stole my moneyz, and now I'm using an Ibanez ) There was a $250 upcharge IIRC
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