Quote:
Originally Posted by Amraduk
The information in the R+TV service book says: "Monitor output: 400mV at 2k." With a 10K load instead, the output will of course be higher, in this case, assuming that 20V at the anode of V1b is 20V (is that about right?), it will be about 1.8V. I would think that the loading on V1a would have been taken into account at the design stage.
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Sorry, missed that in your original post. Yes, then the loading should not be a problem. The 2k specified I would think is because that was a common impedence for headphones back in the day. Interesting to note that this nowadays corresponds reasonably well to the input impedence and level of a transistorized amplifier.