Look at my Bush!

Build/modify/repair equipment and improve systems performance by yourself

Look at my Bush!

Postby kgc210 » 24 Mar 2014, 19:49

My Grandad claims he said that to a young girl in the gym on Saturday regarding his new Bush MP3 player. I wouldn't put it past him...

Haha
Anyway I picked up a 50's well '49 - '53 Bush Radio. It's a proper valve radio in a lovely wooden cabinet and nice glass frequency display that lights up.

Image

Before people burn me on the stake It is quite unique for in it's age that it has a removable chassis!

Image

So all the gubbins are out now and stored away safely.
So the plans are to use my Raspberry PI,
PCM5102 DAC connected via I2S
http://www.diyinhk.com/shop/audio-kits/31-384khz32bit-pcm5102a-dac-i2s-input-ultra-low-noise-regulator.html

TPA3116D Class D Amp, which on other forums get very good ratings regarding Audio quality.
http://www.yuan-jing.com/tpa3116-class-d-2-0-stereo-amplifier-board-50w-50w?search=TPA3116

Going to be using a pair of Faital Pro 4FE35 8 Ohm 4 inch 30W Loudspeaker Drivers in their own housings within the radio.

Also plan to re use the old radio knobs with rotary encoders connected to the Rasp PI GPIO pins.
These will switch between music and radio mode, playlists, volume etc.
Just need to check Rune still uses the standard way to talk to MPD and also check how it receives back from MPD what play list it's using and volume etc. So the actual knobs match upto the Rune web interface etc.

Decided on using Rune for audio even though it lacks I2S for the time being, feel it has a better future based on the efforts of inputs to the GUI on previous projects.
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Re: Look at my Bush!

Postby Midnight » 25 Mar 2014, 14:05

The DAC seems to be very similiar to the HiFiBerry, which also has a PCM5102A and can be attached to the RPi to keep I2S wires short: http://www.hifiberry.com/dac ;)
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Re: Look at my Bush!

Postby kgc210 » 25 Mar 2014, 15:54

Yea it's the same DAC just a custom board layout for the PI (HiFiBerry)

I was going to go for a HiFiBerry at first but this one is cheaper and I like the fact I can position the boards how I wan't as long as I keep the cables short.
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Re: Look at my Bush!

Postby emma » 03 Apr 2014, 09:06

That is going to be amazing. I remember the BBC sending out those stickers on the front for you to stick on your radio to mark where the stations were!

Be interested to know more how you are going to interface the knobs with the GPIO pins....

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