At breakfast we are listening to music trough a plastic cheap radio that sounds like...****. Since my audio projects, historically, tend to be big and prominently my partner, a female, repeatedly rejected my suggestion to build something that could replace the plastic...****. Then I tried a different approach that included my partner, yes a female, in the designing process. Success!. The "radio" had to be small and look old and antique to match the kitchen. Ok. After some negotiation we locked the dimensions to depth 9, height 9 and width to 12 inch.
I have some driver lying around and one pair of tang band w3-871 seemed to match the limited box size. I analysed them in ported designs, with bassboxpro, but was not quite satisfied with the result so I modeled a short negative taper transmission line with mjk's worksheets. Much better. A ~29 inch line tapered 9:1 resulting in F3 some where around 65Hz. Images, as following, shows the building process. There are a input selector and volume control, knobs of her choice 🙂, and the box are patinated to look...old and ugly 🙂. Left to do is to mount a iphone/ipod dock on the top.
I have not yet measured it, will do that soon, but the overall impression is great. And yes the female is happy as well.
Reagards H@kan
.JPG)
.JPG)
.JPG)
.JPG)
.JPG)
.JPG)
.JPG)
.JPG)
.JPG)
I have some driver lying around and one pair of tang band w3-871 seemed to match the limited box size. I analysed them in ported designs, with bassboxpro, but was not quite satisfied with the result so I modeled a short negative taper transmission line with mjk's worksheets. Much better. A ~29 inch line tapered 9:1 resulting in F3 some where around 65Hz. Images, as following, shows the building process. There are a input selector and volume control, knobs of her choice 🙂, and the box are patinated to look...old and ugly 🙂. Left to do is to mount a iphone/ipod dock on the top.
I have not yet measured it, will do that soon, but the overall impression is great. And yes the female is happy as well.
Reagards H@kan
Any chance on getting dimensions? Looks about like what I want to build and use with a battery operated amp....
Now THAT is DIY!!! My wife would require medication to work together on one of my audio projects, so my hat is off to you sir! Cheers!
Yes it's fantastic isn't it 🙂
I will post the dimensions as soon I find the paper I wrote them down to. If I don't find the paper i will measure the finished radio. What kind of amp are you planning to use? I'm using a tripath 2024 class D board, 12V. I'm sure you can use a battery pack to power it.
Thanks for all replies.
By the way I think the filter for "bad" words on site is quite excessive.
Regards H@kan
Last edited:
Did they manage to glue the phase plugs in the center for you? I recently got a pair of the bamboo 3's and one of the plugs is darn near up against the coil former. For 25 bucks I decided to keep it, but overall it doesn't seem like a real hard thing to better. Make a sleeve to pin it in place or something until the glue sets. One more step, a little more tooling though. I'd pay another dollar to have it in the center far as the eye would notice.
That wasn't the filter, that was me. We ask that you respect the rules of this forum. No need for that sort of stuff here.
It's just that in this case a asterisked four letter word look worse than it is.
Well I guess lesson learned.
Regards H@kan
Here are the dimensions. The internal walls are 10mm MDF. The surroundings are 18mm pine. Everything except the top are glued together. The first to sections of the line is heavily damped with sheep wool.
[inch]
[mm]
Regards H@kan
[inch]
[mm]
Regards H@kan
Very cool.. I keep thinking something like this would be good in the kitchen or out on the patio or porch during a party. Very clever implementation.
>>> Now THAT is DIY!!!
Agreed! Great project! I bet it sounds much better than a typical tabletop radio. This is a wonderful example of making something suit the requirements and making everyone happy in the process. Enjoy your tunes in the kitchen!
Godzilla
Agreed! Great project! I bet it sounds much better than a typical tabletop radio. This is a wonderful example of making something suit the requirements and making everyone happy in the process. Enjoy your tunes in the kitchen!
Godzilla
Fantastic - I have thought of doing something like this but never went beyond vague idea - you have inspired me.
thanks for posting - love the look as well.
Leonard
ps- anyone know of an inexpensive am/fm tuner that could be incorporated into something like this? or best way to accomplish that. would be especially good if it could be combined with vintage look analog dial - any ideas?
the problem with portable audio sources is that they only seem to incorporate fm tuners which would be fine for most people but here in northern canada am is what i would need.
thanks for posting - love the look as well.
Leonard
ps- anyone know of an inexpensive am/fm tuner that could be incorporated into something like this? or best way to accomplish that. would be especially good if it could be combined with vintage look analog dial - any ideas?
the problem with portable audio sources is that they only seem to incorporate fm tuners which would be fine for most people but here in northern canada am is what i would need.
- Status
- Not open for further replies.