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Springs on soundbox tightness
Posted: Sun Mar 13, 2016 6:25 pm
by cylinderuke78
Hey there. I am fairly new to rebuilding sound boxes. Is there a correct tension for these two springs that sre on the needle bar? (See attached photo). I have not tightened them up all the way, just slight tension. How does this impact on the sound? Is it to adjust vertical compliance.
Apricots your response
Matthew
Re: Springs on soundbox tightness
Posted: Sun Mar 13, 2016 11:54 pm
by wjw
When I assemble Victor reproducers I use just enough tension to keep the bar from buzzing in use. I'm guessing that more spring tension creates more inertia for the recorded vibes to overcome. Also, you should have the needle bar unscrewed from the mica when setting the tension springs so you can see that there's no "push-pull" bias on the mica when you're done. -Bill
Re: Springs on soundbox tightness
Posted: Mon Mar 14, 2016 2:29 pm
by JerryVan
Matthew,
Apricots to you too!
Re: Springs on soundbox tightness
Posted: Mon Mar 14, 2016 4:19 pm
by cylinderuke78
Oops! Sorry about the typing error! Was using my iPhone two posts on this forum. Really appreciate all your help, and must say what a great forum this is – full of information
Re: Springs on soundbox tightness
Posted: Mon Mar 14, 2016 4:22 pm
by JerryVan
cylinderuke78 wrote:Oops! Sorry about the typing error! Was using my iPhone two posts on this forum. Really appreciate all your help, and must say what a great forum this is – full of information
Don't be sorry, I love that autocorrect stuff.