For my next step I would like to add some modern technology to this receiver. As it has a (switchable) input for a turntable, I would like to use it for attaching a bluetooth receiver (for streaming music to this radio). I have already made a test setup with a bluetooth receiver board (KRC-86B), and it works.
There's only one problem. The audio signal output from the bluetooth receiver board is not strong enough. It means I have to turn the volume quite high to get a reasonable volume. Which also means that when I switch to tuner, the volume blasts my ears off!
So my question is: what can I best do to get the right audio signal input?
I guess I should put a pre-amp board in between the bluetooth receiver output and the tube radio input.
What board would you suggest? (I am looking at PCB's not pre amp's in casings, as I wil have to built everything inside the radio)
- Philips B2X 80U radio: https://www.radiomuseum.org/r/philips_b2x80u.html
- Bluetooth receiver board: https://www.roboeq.ir/files/id/3237/nam ... %20V4.pdf/