ZPaul2Fresh8 New member VAPS Joined May 24, 2015 Messages 586 Reaction score 4 Location Millbury, Ohio Mar 5, 2017 #1 Tube 1 has screen burn. 25K7197 Screen 2 possible donor. Unsure of chassis type, maybe 25K7401? Tube possible donor 25K7193 Can't be as simple as plugging in a neck board if it fits correct? Thanks!
Tube 1 has screen burn. 25K7197 Screen 2 possible donor. Unsure of chassis type, maybe 25K7401? Tube possible donor 25K7193 Can't be as simple as plugging in a neck board if it fits correct? Thanks!
87 t-66 Well-known member VAPS Joined Jan 31, 2013 Messages 6,575 Reaction score 1,619 Location North Carolina Mar 5, 2017 #2 need to check the number of pins on the neck, g1, and heater voltage. will probably need to swap the yoke from the original chassis to the new tube if everything else matches.
need to check the number of pins on the neck, g1, and heater voltage. will probably need to swap the yoke from the original chassis to the new tube if everything else matches.
OP OP ZPaul2Fresh8 New member VAPS Joined May 24, 2015 Messages 586 Reaction score 4 Location Millbury, Ohio Mar 5, 2017 #3 Thanks for the input.
Rampart35 Member Donor 2019 Joined Oct 16, 2009 Messages 102 Reaction score 3 Location Renton, Washington Mar 5, 2017 #4 Yokes Check the yoke resistance too! Wrong yokes can destroy your chassis.
joe3693 Well-known member VAPS Joined Jul 14, 2012 Messages 2,983 Reaction score 457 Location Mukwonago, Wisconsin Mar 12, 2017 #5 Type tube numbers in here: http://tubular.atomized.org/?tube=# You'll find that the tube numbers you listed are a match. So they are interchangeable. Measure the yoke resistance as others have said. If they are close you probably won't even have to swap yokes.
Type tube numbers in here: http://tubular.atomized.org/?tube=# You'll find that the tube numbers you listed are a match. So they are interchangeable. Measure the yoke resistance as others have said. If they are close you probably won't even have to swap yokes.
OP OP ZPaul2Fresh8 New member VAPS Joined May 24, 2015 Messages 586 Reaction score 4 Location Millbury, Ohio Mar 13, 2017 #6 joe3693 said: Type tube numbers in here: http://tubular.atomized.org/?tube=# You'll find that the tube numbers you listed are a match. So they are interchangeable. Measure the yoke resistance as others have said. If they are close you probably won't even have to swap yokes. Click to expand... Awesome. Thanks guys!
joe3693 said: Type tube numbers in here: http://tubular.atomized.org/?tube=# You'll find that the tube numbers you listed are a match. So they are interchangeable. Measure the yoke resistance as others have said. If they are close you probably won't even have to swap yokes. Click to expand... Awesome. Thanks guys!