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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Re: grid resistor vs grid-stopper posted by Dan on September 20, 2004 at 17:16:40:
You're quite right. Pin 5 is the grid pin and it should have a grid-stop resistor tied to it. Later 6C33 based amps used 680 ohms. Still, it is very important that the existing grid-stop resistor be good and noit present an open circuit. You'll need an ohmmeter to be sure the grid-stop resistor is good. Just because the resistor is a certain wattage, and should survive, does not mean it actually has survived. You should also inspect the spring steel on pin 5 to be sure it makes a good mechanical connection with the tube pin.I hope this helps. Please let us know what your ohmmeter tells you.
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Follow Ups
- Re: grid resistor vs grid-stopper - mark 19:20:18 09/20/04 (6)
- Re: grid resistor vs grid-stopper - Dan 18:30:26 09/21/04 (5)
- Re: grid resistor vs grid-stopper - mark 06:37:51 09/22/04 (4)
- Re: grid resistor vs grid-stopper - Dan 07:11:24 09/22/04 (3)
- Re: grid resistor vs grid-stopper - Lew 07:18:35 09/23/04 (0)
- Re: grid resistor vs grid-stopper - mark 07:25:34 09/22/04 (1)
- Conclusion - Dan 16:18:02 10/03/04 (0)
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