Do all 7025s have a spiral filiment???

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Topic - Replacement Preamp Tubes for 12AX7 - AudioSoul 11:18:16 02/7/14 (11)

RE: Replacement Preamp Tubes for 12AX7 - Jim McShane 12:07:32 02/8/14 (5)

RE: Replacement Preamp Tubes for 12AX7 - Freo-1 17:26:10 02/8/14 (2)

I have 7058s branded. - Dave Pogue 05:55:01 02/10/14 (1)

RE: I have 7058s branded. - Freo-1 15:04:16 02/10/14 (0)

A number of years ago I found a 5 pack of . . - John PA 14:20:25 02/8/14 (1)

RE: A number of years ago I found a 5 pack of . . - Jim McShane 17:02:17 02/8/14 (0)

The 7058 is a 12AX7 without a center tapped heater....... - viridian 19:20:27 02/7/14 (1)

RE: The 7058 is a 12AX7 without a center tapped heater....... - Wolfbane 21:52:59 02/7/14 (0)

RE: Replacement Preamp Tubes for 12AX7 - wa2ise 13:06:15 02/7/14 (2)

RE: Replacement Preamp Tubes for 12AX7 - Jim McShane 14:22:05 02/7/14 (1)

Do all 7025s have a spiral filiment??? - samstone 02/8/1406:39:54 02/8/14 (0)

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Do all 7025s have a spiral filiment??? - samstone 02/8/1406:39:54 02/8/14 (0)

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