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| PIN No. Tube No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|---|
| V3 | 6AG5 | -9 (*) | 1.0 | zero (12.6) (**) | 6.3 (**) | 120 | 145 | 1.0 | ||
| V4 | 6AQ5 | -8.5 (*) | 6.7 | 6.3 (**) | zero | 220 | 220 | -8.5 (*) | ||
| V5 | 6146 | zero | zero (12.6) (**) | Note 1 | zero | - | zero | 6.3 (**) | zero | |
| V6 | 6AU6 | zero | zero | 6.3 (**) | zero | 35 | 40 | 1.5 | ||
| V7 | 12AU7 | 210 | zero | 7.6 | zero | zero (12.6) (**) | 210 | zero | 7.6 | 6.3 (**) |
| V8 | 5881 | zero | zero (12.6) (**) | Note 1 | 220 | -22.5 | - | 6.3 (**) | zero | |
| V9 | 5881 | zero | 6.3 (**) | Note 1 | 220 | -22.5 | - | zero | zero | |
| V10 | 0B2 | 108 | zero | - | zero | 108 | - | zero | ||
This chart serves only as a guide, individual sets may vary from these readings.
All measurements made with a 20,000 ohms per volt voltmeter, using a PS-2V power supply or equivalent. Bandswitch lever in the 80 meter position, VFO dial set at 3.8 megacycles, audio gain control set at minimum, VFO--CRYSTAL switch set in the VFO position, meter switch set to the first "G" (plate off) position, final grid tuning condenser resonated for maximum grid current, and the AM-NFM-CW switch set in the AM position.
Note 1--These readings depend upon final plate supply voltage.
(*) These measurements taken with a 100,000 ohm 1 watt carbon resistor on the end of the negative voltmeter probe.
(**) Either AC or DC. Numbers in brackets are in effect when connected for 12 volt operation.