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Multi-Way Conventional loudspeakers with crossovers

Rebuilding The Great Technics SB-X50
Rebuilding The Great Technics SB-X50
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Old 31st July 2014, 03:20 PM   #21
Einric is offline Einric  United States
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Rebuilding The Great Technics SB-X50
I ordered all my parts from Erse including a foil inductor for the series midrange circuit.
I have not yet received confirmation of shipping yet.
I did swap out the goofy binding posts out for a 4-way binding post though.
As of now I am in a holding pattern.
I have considered using the Acoustistuff I have to replace the "blanket" that is in there from the factory.
But since I'm using them with a sub and the ports are stuffed I don't know if it's worth while.
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Old 11th August 2014, 10:53 PM   #22
Einric is offline Einric  United States
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Rebuilding The Great Technics SB-X50
Default Parts Have Arrived

Well, it has taken a while but the people over at Erse were very friendly every time I contacted them and the parts have arrived safe and sound.
The 33uf 630V caps are absolutely gigantic, I will have a fun time getting these to play nice.
The .27mH inductors are very nice looking and I bet they sound as good as they look.
I'm sure they will be a real treat in the midrange circuit.
I still need to order the 330uF Nichicon Muse ES (Bipolar) from Digikey I hope I will have them this week.
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Old 11th August 2014, 11:03 PM   #23
6L6 is offline 6L6  United States
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Rebuilding The Great Technics SB-X50
Awesome! You will need a board of some sort to mount them. As well as zip-ties and hot glue or rtv.
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Old 11th August 2014, 11:11 PM   #24
Einric is offline Einric  United States
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I have plenty of hot snot and plenty of multicolored zip ties.
I will end up making expansion boards to hold the oversize caps.
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Old 12th August 2014, 03:27 AM   #25
Einric is offline Einric  United States
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Rebuilding The Great Technics SB-X50
Default 1 Down 1 To Go

I have the first one done, it took me a little over 2 hours to get everything right.
I will handle the other one tomorrow.
I'm getting REALLY excited.
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Old 12th August 2014, 03:31 AM   #26
6L6 is offline 6L6  United States
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Rebuilding The Great Technics SB-X50
What did you decide on cabinet bracing, if anything?
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Old 12th August 2014, 03:36 AM   #27
Einric is offline Einric  United States
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Nothing Yet, 1 step at a time.
I haven't decided on either bracing or panel damping.
Maybe both.....
Maybe that will be too much.
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Old 12th August 2014, 04:02 AM   #28
Joachim Gerhard is offline Joachim Gerhard  Germany
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What are these bypass caps ?
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Old 12th August 2014, 04:15 AM   #29
Einric is offline Einric  United States
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The little tiny black ones are Vishay MKP1837 .1uF 160V.
The combo on the tweeter circuit is a couple MKP's with a FilmFoil to hit 6.8uF.
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Old 13th August 2014, 12:06 AM   #30
Einric is offline Einric  United States
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Default Second One Complete

ALRIGHT!
Both are finished and installed.
Now as soon as this episode of Curious George is over I will be able to start enjoying them.
The preliminary tests of just the one new crossover with the one old one last night were VERY promising.
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