RIAA Amp for BM 7000

5 replies

I would like some advice on how to build one

on board. At the moment I'm useing an external one.

Thankyou

Not that this is much help. but I believe there was a board that could be fitted to the BM7000 for just this purpose - I cannot imagine that one will be available now. One of the reasons B&O removed the RIAA was to allow the Beogram to be sited further away from the Beomaster. By fitting the RIAA in the Beogram, a stronger signal was sent and a longer cable could be used. And there is not that much space in the BM7000!!

There will be far more space in the record deck you have - why not build it in there?

PS Look at the service manual of the 6500 - there is the accessory RIAA shown there - page 10 of the pdf

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beovision-11.png Beovision-11.png
Beotime.png Beotime.png
Beosound-Stage.png Beosound-Stage.png
Beosound-Moment.png Beosound-Moment.png
Beosound-5.png Beosound-5.png
Beosound-2.png Beosound-2.png
Beoremote-One.png Beoremote-One.png
Beoplay-Portal.png Beoplay-Portal.png
Beoplay-Earset.png Beoplay-Earset.png
Beomaster.png Beomaster.png
Beolit.png Beolit.png
Beogram-400x.png Beogram-400x.png
Beocenter-2.png Beocenter-2.png

Velleman also make a cheap and cheerfull kit at about £12 from maplin - however this needs a 12volt supply - the pcb os about 3 x 2 - i fiited one in an old sony turntable box which works very well - i couldn't justify a b&o t/table as my discs are from my youth and quite scratched etc!

i can supply a pic of the board if reqd

tony

You could of course ask the dealer if the original RIAA module for 6500/7000 is still available. You just snip a couple of jumpers in the Beomaster and then it plugs (or solders) in. I understand it is quite small with surface mount components so not very practical to build from scratch - as a DIY project, I'd definitely build it in the record player. It's usually very easy to steal the power supply from there as well, and B&O had a good point in moving the amp there.

Thankyou all for your info

I shall look at all options

Henry

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