Hi squeakyd 
Big old and heavy! Something nobody can carry alone (steal) without breaking his/ her back.
410s are out of fashion, you should easily find something!
Old Peavey combos!
Too cheap to steal.
Or old Dynachord BS412 combo! Too heavy to steal!
(hard to find
)
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Personally I would go with the cab and bring a head that has enough punch.
greetings
Wise(b)ass
Option 1: A speaker cabinet that I can leave there, and I'd bring my MB amp head to play though.
Big old and heavy! Something nobody can carry alone (steal) without breaking his/ her back.
410s are out of fashion, you should easily find something!
Option 2: A combo unit loud enough for practicing with a full band playing the Classic Rock stuff
Old Peavey combos!
Or old Dynachord BS412 combo! Too heavy to steal!
[Invalid or Expired Link Removed]
Personally I would go with the cab and bring a head that has enough punch.
greetings
Wise(b)ass