12-07-2015, 05:25 PM
No. But there is a significant difference in the 7189 and especially the 7189A which are higher voltage variants.
Mullard tube$ from Blackburn - your thoughts
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Mullard tube$ from Blackburn - your thoughts - by TV MAN - 12-07-2015, 02:57 PM
RE: Mullard tube$ from Blackburn - your thoughts - by PhilcoMike - 12-07-2015, 05:18 PM
RE: Mullard tube$ from Blackburn - your thoughts - by Phlogiston - 12-07-2015, 05:25 PM
RE: Mullard tube$ from Blackburn - your thoughts - by Arran - 12-08-2015, 03:35 AM
RE: Mullard tube$ from Blackburn - your thoughts - by Paul Philco322 - 12-07-2015, 09:13 PM
RE: Mullard tube$ from Blackburn - your thoughts - by Arran - 12-08-2015, 03:30 AM
RE: Mullard tube$ from Blackburn - your thoughts - by TV MAN - 12-08-2015, 11:04 AM
RE: Mullard tube$ from Blackburn - your thoughts - by Paul Philco322 - 12-08-2015, 11:08 AM
RE: Mullard tube$ from Blackburn - your thoughts - by codefox1 - 12-08-2015, 01:13 PM
RE: Mullard tube$ from Blackburn - your thoughts - by mikethedruid - 12-08-2015, 10:50 PM
RE: Mullard tube$ from Blackburn - your thoughts - by thirtiesradio - 12-09-2015, 11:42 PM
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