The "F" holes will make a tone difference. To me a chambered or semi hollow without "F" holes sounds growly or muddy (not in a bad way) and those with "F" holes sound a bit brighter. Again......that's MY ears talking, yours may hear them completely differently. I'm also mainly a bass player so I like growly and muddy, most guitar players I know do not like muddy, they like a nice clean tone that can be manipulated with pedals if desired.
If you're not using the ghost saddles then you need to find a Hamer DuoTone and play that. It is set up with the bone saddle with piezo under. IMO it is an EXCELLENT sounding guitar that sounds like no other. It is one of my personal favorites. Be careful if this is your first build and make sure you get the bridge and saddle placed properly. Hamer had some problems when they first built this model and made an intonation nightmare for many, many customers and dealers that had to correct them.
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its not my first build but i will probably need osme help placing the bridge when i get round to it so i will be posting that in the near future
now i dont like the look of F cuts so could i do something else like some kind of tribal design sort of tatoo looking thing instead