Ralph I would hope that the work could be a little more technical than the description over the phone.....But what do I know........Why is there never a simple answer to a simple question........I will spend more time trying to get a schematic than I will ever spend doing the work........Who is served ??
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We simply don’t have schematics that look at that good for public consumption. As some of you may know, the UV-1 is based on the mods/updates we would do to a Dynaco PAS-3. So the phono stage is very similar to that of the PAS-3. The differences are as I explained to Will: 1) we don’t employ the cathode to cathode feedback resistor 2) 12AT7s are used instead of 12AX7s 3) a cathode bypass cap is employed on the 2nd stage of gain 4) only one output coupling cap is used and the feedback is connected to the output of that. A 10K resistor is then in series with the output of the circuit. So if you can find a PAS-3 circuit online and apply these changes, then you can build this circuit. |
Here is the PAS-3, all over the internet.... the v5 and v6 boards are both on this pdf http://www.curcioaudio.com/pas_mnl.pdf |
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