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- Mon Jan 29, 2007 12:29 pm
- Forum: Technical Discussion
- Topic: Need help reading this schematic
- Replies: 2
- Views: 958
Re: Need help reading this schematic
The top input (J3) gives a 68K/68K voltage divider to the tube grid, the bottom input (J4) sees 1 Meg to ground with a 34K grid stopper, so the bottom input is the high input (J4). If you plug into the top input (J3) the switch on it is opened up, so only the 68K (R5) is between the input signal and...