RE: Technical question on 6sn7 cathode

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In Reply to: RE: Technical question on 6sn7 cathode posted by Paul Joppa on August 16, 2015 at 13:58:19:

An NE-2 neon bulb can make an effective voltage limiter that is not there until it conducts. It was used often in oscilloscopes, etc., to protect heater-cathode insulation during warm-up.
Spec: Chicago Miniature A1A/NE-2 (standard brightness, wire leads): maximum strike voltage = 90 V DC; minimum and sustain voltages are not specified.

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Topic - Technical question on 6sn7 cathode - hifipaul 09:08:58 08/15/15 (6)

100% no worries regardless of 6SN7 type - Ralph 08:01:28 08/17/15 (0)

RE: Technical question on 6sn7 cathode - Paul Joppa 22:31:06 08/15/15 (3)

RE: Technical question on 6sn7 cathode - danlaudionut 10:29:07 08/16/15 (2)

RE: Technical question on 6sn7 cathode - Paul Joppa 13:58:19 08/16/15 (1)

RE: Technical question on 6sn7 cathode - TimFox 11:40:46 08/21/15 (0)

RE: Technical question on 6sn7 cathode - Eli Duttman 11:35:36 08/15/15 (0)

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RE: Technical question on 6sn7 cathode - TimFox 11:40:46 08/21/15 (0)

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