Tape / Record Out Wiring Diagram

[JAN6189W]

Can anyone provide one...  please?

I would like to use the second set of RCA outputs as tape output/record output. I purposefully did not wire them up, knowing I want to do this. My (2 yr. old??) FPIII build went off without a single hitch. I just don't want to muck up all that work (and great sound) with guesswork or a partial schematic. A wiring diagram and/or pictures makes things so much easier. Any help would be much appreciated.

Biff

PS. Please forgive me if there is already such on the forum. If so, I just can't seem to find it.

 

[Paul Birkeland]

This isn't as straightforward as it would seem in the FP-III, as there is always some series resistance between any input and where you would generally wire up your tape output. 

This would lead to higher than desired output impedance, an imbalance in frequency response, and attenuation that would vary according to what you plugged the tape output into. 

The attenuators/input selector could be rewired to allow for a tape output, but this would be considerable work.  You could also add a DPDT switch back by the input jacks that would switch one of the remaining pairs of inputs to the tape output.  This is the only way I can think of at the moment that makes sense to get what you're looking for.

-PB

 

[Paul Joppa]

The problem is that the series input resistors come before the selector switch; this is so that you can adjust the relative level of different sources.

If all the resistors are the same (33K) then you can use one after the switch (replacing the wire from the selector to the level control) and replace the input ones with wire. Then the output of the selector can go to the tape jack.

 

[JAN6189W]

The problem is that the series input resistors come before the selector switch; this is so that you can adjust the relative level of different sources.

If all the resistors are the same (33K) then you can use one after the switch (replacing the wire from the selector to the level control) and replace the input ones with wire. Then the output of the selector can go to the tape jack.

So, right now, I only have the middle (second) input attenuated differently (down slightly for connection of the disc spinner). I pull all the (level control) input resistors and replace them with "straight-thru" wire. I then have two leads each coming off the L/R tags of the input selector switch? One having a 33K resistor going to the respective volume control and the other with no resistor going straight to the (tape out) RCA jack? Or, should there also be a 33K resistor before the RCA jack?

 

[Grainger49]

You want to go to the tape out directly, no dropping resistor.  But you have it right.

 

[JAN6189W]

Thanks folks. I going to go for it and see what happens.

-Biff