I’ve been on a 5 string kick lately. Shipping out two this week.
The mandolin with vibrato weighs 5 lbs. 4 ozs. and is tuned like a standard mandolin with a C on the bottom.
The mandolin with out vibrato weighs 4 lbs. 11ozs. and is tuned like an octave guitar minus the bottom E.
I changed mine to standard guitar tuning but in Bb so I’d have some lower notes available. Here it is on rhythm changes…