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This is a question The best thing I've built

Wehttamman asks: My dad and I once built a go-kart from chipboard, pram wheels and an engine from a lawn mower. It didn't work... so tell us about your favourite things you've made, and whether they were a triumph or complete failure.

(, Thu 11 Oct 2012, 12:00)
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Car stereo
My first car, Ford Fiesta BVF 943 T, had no radio. But I fitted it with a CD player when I was eighteen.

I had a Sony D11 Discman. I got the official 12V car power thingy from Sony and took it to bits. Got a couple of speakers from somewhere and fitted them into the door panels. I then got two 4 Ohm amplifiers - one for each channel you know - and fitted them and the power regulator into a black plastic VHS case. I obtained a 10k logarithmic dual potentiometer which was the volume knob. And a square multimeter case from Maplin, into which the Discman fitted perfectly.

The VHS case went under the dash. I'd hop into the car, and plop the Discman in its suave case into a the centre console, connect the power and the 3.5mm stereo jack and there you go! Wicked. It did tend to skip if you went over speed bumps, but apart from that, I don't remember any other issues.

I later transferred the whole thing to the next Fiesta, PYY 112Y.
(, Tue 16 Oct 2012, 21:33, 4 replies)
My first car was an XR2.
Like you, I decided to improve the sound. Fortunately it already had a radio casette player, but only two speakers in the rear parcel shelf.

I bought 2 very large speakers, marked and cut the holes in the door cards, and put them in. They were around knee level, and improved the sound immensely.

The I tried to open the window, which went down about an inch and a half and hit the speaker.
(, Wed 17 Oct 2012, 9:26, closed)
This should be its own entry
as it's both success AND failure.
(, Wed 17 Oct 2012, 9:35, closed)
It should win.

(, Wed 17 Oct 2012, 11:27, closed)
HHHHahahahaha!
I did the same with my MG Metro (non-turbo), massive speakers in the door ripped from a set of speakers from my Dad's old Alba HiFi he was chucking. Yeah, the impedance was wrong but that was the least of my worries, I could never figure out which was permanent live and switched live from the ignition - I should have known the difference, I worked at Maplins! (when it was good, selling components to hobbyists rather than the 'poor-mans PC world' it is now)
(, Wed 17 Oct 2012, 10:12, closed)

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