70's Cable radio Speaker to Bluetooth Speaker - diyAudio
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Old 19th May 2013, 06:52 PM   #1
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Default 70's Cable radio Speaker to Bluetooth Speaker

Hi All!
I am ANtonio, an italian guy, and I discovered your forum! Fabuolous! I think this is the place for sharing my new passion for repurposing speakers.

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My first project is turning this old 70's cable radio speaker into a good quality speaker for portable mp3s, ipod and so on, with both jack and bluetooth connectivity. I was thinking for a T-amp as amplifier, like Dayton Audio DTA-2 or something TA2024 based.

My question about driver:I want to replace the 3"x5" with a really good full range speaker...but with which? I don't find other 3"x5"..maybe it is better to use a normal 3" like HiVi B3N or Tang Band W3-881SJF?
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Old 20th May 2013, 08:53 PM   #2
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Is there anything wrong in my question? IF you say me what to change, I can do that!
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Old 20th May 2013, 08:56 PM   #3
Pano is offline Pano  United States
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Nothing wrong with the question. Sometimes it takes a little while to get answers.
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Old 20th May 2013, 09:41 PM   #4
xrk971 is online now xrk971  United States
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What are dimensions of speaker box? Is it sealed or ported? Is it stereo or mono? Since you are suggesting 3 in driver I would go with a 3.5 in if room allows. Use a Vifa TC9FD driver great sound and great value. You might want to check out rectangular or square shaped flat drivers (Balanced Mode Radiators). You might have room for two and do stereo. I would go with a TPA3122 amp rather than TA202x. TI's sound better in my opinion.
Hope that helps v
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Old 21st May 2013, 01:10 AM   #5
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Thank you very much Pano, xrk971. The box is 4.75" x 3.5" x 4.5", sealed (but I could open a port if you seggest me where ).
You see in attachment the front back. The "drilled" area is 2"x4", maximum allowance is 3"x5". Maybe 3.5" is too much...what can I look at? Good idea having a stereo" maybe 2 pieces of maximum 2.5". What do you think?
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File Type: jpg speaker.jpg (183.6 KB, 78 views)
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Old 21st May 2013, 01:12 AM   #6
Pano is offline Pano  United States
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cool. Maybe we could change the title of your thread to something that will attract more attention.
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Old 21st May 2013, 01:27 AM   #7
xrk971 is online now xrk971  United States
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You might be able to squeeze in a pair of these. Visaton 2.5 Inch 8.0W 8 Ohm Full Range Speaker | FRS7 2012 | Visaton

Use this amp. http://www.parts-express.com/pe/show...number=320-329
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Old 21st May 2013, 01:36 AM   #8
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Let's say that I can spend more, say $20 each speaker and $20 for the amp. I have a real different choice? Or the quality can't be so better?
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Old 21st May 2013, 05:19 AM   #9
xrk971 is online now xrk971  United States
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At $20 for amp, the TPA3122 will give you more power (15 watts) but if you are only using 2.5 in drivers you won't need more than 5 watts. The TPA3110D2 for $10 is an excellent sounding amp. You might want to look at Tang Band 2 in drivers if you can spend $20 ea.
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Old 21st May 2013, 03:37 PM   #10
Squeak is offline Squeak  Denmark
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My first thought is that it's a pity mangling such a beautiful radio.
I can't pin down the designer but it looks something like the Brionvega stuff from the 60's and 70's. Are you sure you want to do this if it is working alright or if it can possibly be repaired?
Regardless of what you think personally, it could be worth a lot (as opposed to nothing if you go ahead with your plan) in resale.
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