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PostPosted: Mon Feb 12, 2018 4:40 pm 
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Joined: Tue Sep 30, 2008 5:51 pm
Posts: 495
Location: Mississauga, ON, CA
I acquired another pair of Hanson Monitor RST-IV's in black.
This set I bought cheaply as do not have the external crossovers.
No problem, I will just reverse engineer my other set.
These outboard crossovers use Solen polypropylene capacitor and Solen
Perfect-Lay inductors...
I was able to easily draw up a schematic of the crossovers.
Where I need help is the value of the inductors as the Solen labels were removed
in production.
I have plenty of experience with loudspeakers and intend to fully restore these.
But being a bit lazy and busy with life I was hoping someone has an idea of the
inductor values.
The crossovers are basically first order and I can easily come up with theoretical values
of the inductors given the 1.8KHZ crossover point however theoretical values arent always used.
Its the inductors in the LCR smoothing filters that are throwing me.

Any help would be appreciated.


Matt....tubeornotube

Please in your reply I am NOT a speaker novice.

Better yet...does anyone have an inductor bridge meter..I could measure the inductors


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PostPosted: Mon Feb 12, 2018 7:00 pm 
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Joined: Sat Dec 29, 2012 8:16 pm
Posts: 502
Location: New Westminster, BC, CA
http://www.transcat.ca/products/rental-equipment


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PostPosted: Mon Feb 12, 2018 7:43 pm 
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Joined: Sun Apr 05, 2009 7:06 pm
Posts: 1216
Location: hawkesbury, ON, CA
I use my multimeter to measure the induction .


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PostPosted: Tue Feb 13, 2018 9:40 am 
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Joined: Tue Jun 14, 2016 8:33 am
Posts: 1856
Location: Kingston, ON, CA
An LCR meter is about 3 days delivery time and $60 away from you.....

Pull the inductors, measure them.

_________________
(Ken Hotte, of) Teo Audio


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