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Post by vishalk on Nov 22, 2018 15:19:44 GMT
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Post by jandl100 on Nov 22, 2018 15:53:37 GMT
Ah, I remember those from back in the day, from magazine advertising. A very interesting design.
I don't recall ever knowing they had a rear passive bass radiator!
I never heard them, though.
Good luck with the refurb, an excellent project!
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Post by MartinT on Nov 22, 2018 15:53:59 GMT
Gosh, that's a great find. Are the driver surrounds intact?
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Post by vishalk on Nov 22, 2018 16:43:59 GMT
Thanks Jandl100 this will be a great project! Currently stripping it all down to have the cabinets repainted to mint condition.
Hi Martin, luckily all the drivers work and are intact, perhaps two of the four mids needs part of the surround glued but nothing really major! I will be testing and going through all the drivers to make sure they are working as they should.
Goodmans did not mess about, the drivers are solid and clearly they put a great deal of thought into this design (as wild and weird as it looks!).
I have ordered replacement ALCAP 2% tolerance caps, thought no point going exotic caps, these should suffice and get it singing again.
Thinking of using different wadding, originally it just two-three blocks of yellow sponge, also the casing which surrounds the mids and tweeters is quite a thin plastic material. My thoughts were to stiffen it up by using something like dynamat (soundproofing deadening material).
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Post by MartinT on Nov 22, 2018 17:13:34 GMT
For small repairs to the cones (like fine cracks) you can use watered-down glue and paint it with several coats. Wilmslow and Falcon are great for speaker components. I used Mills resistors and Supersound caps when refurbishing my Gales. |
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Post by John on Nov 22, 2018 17:19:05 GMT
Great find and a interesting project
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Post by vishalk on Nov 22, 2018 17:29:02 GMT
Martin that is a wonderful thread! Those Gales look loveeeelllyyyy. Very inspiring, yes i ordered from Falcon acoustics. I was thinking about making the crossover again, but thought maybe i dont need to go that far. I am hoping just replacing the capacitors is all it needs. Im also surprised that the crossover contains no resistors (even though the board has placement for a resistor and extra capacitor). Perhaps a universal board they used across some of there ranges of speakers.
Wasn't sure about replacing all the speaker cables, they seem fine, maybe i should go all out and just do it all?
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Post by zippy on Nov 22, 2018 17:35:49 GMT
I presume the clock is an optional extra ?!
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Post by vishalk on Nov 22, 2018 17:36:13 GMT
Nice touch on using new Allen Socket cap type screws! I literally just ordered a whole set for my build.
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Post by MartinT on Nov 22, 2018 17:42:08 GMT
I used socket caps as there is no danger of slipping, as well as looking good.
I had no choice with the crossovers, mine were completely blown. Yours look good and may only need replacement caps. The cables look fine too, may not need replacing?
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Post by vishalk on Nov 22, 2018 17:47:12 GMT
I presume the clock is an optional extra ?! It certainly let's me know when I've spent far too much time on this hobby! It usually the wife just nags at me |
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Post by vishalk on Nov 22, 2018 17:48:06 GMT
I used socket caps as there is no danger of slipping, as well as looking good. I had no choice with the crossovers, mine were completely blown. Yours look good and may only need replacement caps. The cables look fine too, may not need replacing? True, I'll know soon enough Martin. |
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Post by ChrisB on Nov 22, 2018 19:27:06 GMT
Hi and welcome to the forum! That's a nice find. I think you'll find that you will get a massive soundstage from the 8's, something which I hold as important in a speaker. Don't expect the sort of pinpoint imaging that you can get from a speaker of more conventional design though - some people find this sort of presentation odd at first but once you become accustomed to it, you realise that it is very natural. I've never owned Dimension 8s but have always been interested in them. Instead, I have two pairs of Acoustic Research LST taking up a lot of space in a spare room that I really must get around to dealing with! There was a little discussion of the Goodmans in a thread early in TAS' life. You may find some tips in here. |
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Post by MartinT on Nov 22, 2018 20:15:22 GMT
I still eagerly await the results of getting your LSTs up and running!
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