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 Philips RF5 Stereogram
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 Return to top of page · Post #: 1 · Written at 3:00:19 PM on 26 May 2021.
Argenta's Gravatar
 Location: Nowra, NSW
 Member since 24 February 2015
 Member #: 1707
 Postcount: 12

Hello everyone. I am working on a the above stereogram for someone. He wants to pair two external speakers to the stereogram using Bluetooth. The unit does not have an input for headphones, which was my first thought. So, where can I place the Bluetooth transmitter?
Thanks for your help. It's been first time I have been asked to do this. Cheers.

 Return to top of page · Post #: 2 · Written at 10:22:54 PM on 2 June 2021.
John116's Gravatar
 Location: Ryde, NSW
 Member since 29 October 2008
 Member #: 370
 Postcount: 101

According to the circuit diagram, there should be a 5 pin DIN socket somewhere that you could plug a bluetooth module into, without having to do any modification to the actual stereogram.

This link may help re circuit: http://messui.polygonal-moogle.com/valves/SC200701.pdf

 Return to top of page · Post #: 3 · Written at 9:20:56 PM on 15 June 2021.
Ian Robertson's Gravatar
 Location: Belrose, NSW
 Member since 31 December 2015
 Member #: 1844
 Postcount: 2109

That will sort of work. It is before the unit's volume control so the bluetooth speakers will need their own volume.

Also, if the input impedance of the bluetooth box is low it will load the ceramic record player cartridge and roll off the bass.

However, a bluetooth receiver would work just fine with those connections, allowing you to play content through the unit.

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