Hey everyone,
I found this old philips portuguese radio on a fleamarket, and Im planning on changing the speaker to a better one and put it to run of a raspberry pi.
My main questions are:
- How do I find a speaker that fits with the same size
- What kind of speaker would have a good balance of range, being a mono speaker.
Thank you, any initial pointers would be awesome! 🙂
I found this old philips portuguese radio on a fleamarket, and Im planning on changing the speaker to a better one and put it to run of a raspberry pi.




My main questions are:
- How do I find a speaker that fits with the same size
- What kind of speaker would have a good balance of range, being a mono speaker.
Thank you, any initial pointers would be awesome! 🙂
This one seems interesting, and also for what I could check in the specs, it fits in the same space and hole distancing.
What do you think?
Visaton BG13P 5" Full Range Speaker 8 Ohm
Buying a Markaudio CHN-70 woofer? - SoundImports
Monacor SPH-68X/AD 5'' Truncated Full Range Driver - SoundImports
Actually the ones from soundimports would make more sense as I am in europe.
What do you think?
Visaton BG13P 5" Full Range Speaker 8 Ohm
Buying a Markaudio CHN-70 woofer? - SoundImports
Monacor SPH-68X/AD 5'' Truncated Full Range Driver - SoundImports
Actually the ones from soundimports would make more sense as I am in europe.
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Have you listened to the speaker/radio cabinet combination? They are probably pretty well matched for your purpose.
Is the radio cabinet open backed or sealed? The Visaton should work well if your cabinet approximately matches the optimum cabinet volumes given in the specs.
Is the radio cabinet open backed or sealed? The Visaton should work well if your cabinet approximately matches the optimum cabinet volumes given in the specs.
It is sealed close, but a thin plastic.
Ohh, I just measured the volume of the radio, it has a
base of 10cm, height 19cm, width 30cm and the top side is 8cm.
Giving a total volume of 5120cm^3.
Where do I find the information about the volume of the box on the datasheet?
thank you
Ohh, I just measured the volume of the radio, it has a
base of 10cm, height 19cm, width 30cm and the top side is 8cm.
Giving a total volume of 5120cm^3.
Where do I find the information about the volume of the box on the datasheet?
thank you
On the Visaton (I haven't looked at the others) the optimum sealed volume (in cubic feet) is given under the 'Mounting Information'.
If you are not experienced in matching enclosure volume to the specified parameters of the replacement driver, then you would be best to stick to the original driver.
Again, have you listened to the original driver/cabinet combination?
Again, have you listened to the original driver/cabinet combination?
The Monacor is going to play a little lower than the Vista in that radio box. The Vista is more efficient. If you don't like the sound of the original driver, try the Monacor as it should be more fullrange.
I have used 4" and 5" car speakers in things like this to good results. Really good value for money.
I have used 4" and 5" car speakers in things like this to good results. Really good value for money.
I would change just the raspberry pi but keep the speaker if it is still working without issue. There is a certain kinda romance in the sound with these guys. Plays well with songs from yesteryear. If you just want hifi sound, might as well build one from scratch.
I did something similar to an old antique radio from the 50s. Built an amp with a frequency response that slowly declines after 6kHz. Sounds gorgeous with music from that era, definitely a certain feeling of romance with the sound.
Oon
I did something similar to an old antique radio from the 50s. Built an amp with a frequency response that slowly declines after 6kHz. Sounds gorgeous with music from that era, definitely a certain feeling of romance with the sound.
Oon
If you are not experienced in matching enclosure volume to the specified parameters of the replacement driver, then you would be best to stick to the original driver.
Again, have you listened to the original driver/cabinet combination?
I have not, I will try to turn it on somehow!
Thanks
I would change just the raspberry pi but keep the speaker if it is still working without issue. There is a certain kinda romance in the sound with these guys. Plays well with songs from yesteryear. If you just want hifi sound, might as well build one from scratch.
I did something similar to an old antique radio from the 50s. Built an amp with a frequency response that slowly declines after 6kHz. Sounds gorgeous with music from that era, definitely a certain feeling of romance with the sound.
Oon
That is also a great idea!
Need to get the driver working, remove all the old electronics (which are really pretty).
Created an album for the radio project here:
Philips Radio - Google Photos
It works!
Wonder what it sounds like in the cabinet?
By the way, the cabinet isn't sealed. There are ventilation slots in the back.
Wonder what it sounds like in the cabinet?
By the way, the cabinet isn't sealed. There are ventilation slots in the back.
Yeah, that's the project for the weekend!!
Put it together and decide what to do next.
I am planning on using a raspberry pi, it would also be nice to convert the dial into a volume or something like that! Let's see how this goes!
Put it together and decide what to do next.
I am planning on using a raspberry pi, it would also be nice to convert the dial into a volume or something like that! Let's see how this goes!
Something like an LED VU meter display perhaps? Velleman Mono VU Meter 10 LEDs Kit K4304it would also be nice to convert the dial into a volume or something like that!
Something like an LED VU meter display perhaps? Velleman Mono VU Meter 10 LEDs Kit K4304
Yeah, maybe something like that.
In the meanwhile, I am gladly using it to listen to some old tunes, the old speaker sounds pretty "vintage".
Here is the radio working Shared album - Daniel Spillere Andrade - Google Photos
Sound coming from a Raspberry Pi with Spotify Connect 😀
Sounds clean and detailed. OK, bass is sort of non-existent, as is to be expected.
However, there's no indication that cabinet resonance is colouring the sound. 😎
However, there's no indication that cabinet resonance is colouring the sound. 😎
Agree. Seems clean enough and no bass. Just what you would expect. I don't really know if you'll get much low end out of it ever, considering its limitations. Nice that it still works so well.
Now my question, if I would change the speaker to something like the ones I've listed before
Visaton BG13P 5" Full Range Speaker 8 Ohm
Buying a Markaudio CHN-70 woofer? - SoundImports
Monacor SPH-68X/AD 5'' Truncated Full Range Driver - SoundImports
Do you think the base would sound much better?
Visaton BG13P 5" Full Range Speaker 8 Ohm
Buying a Markaudio CHN-70 woofer? - SoundImports
Monacor SPH-68X/AD 5'' Truncated Full Range Driver - SoundImports
Do you think the base would sound much better?
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