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Old 18th September 2020, 05:17 AM   #31
davorin is offline davorin  Croatia
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Originally Posted by smoking-amp View Post
If you like EL506 ($ 600 Ebay), take a look at the 10JA5 Vertical Sweep ($3 Vacuumtubes.net)

Other than 1/3 the screen V, nearly the same tube.

7868 and 7591 are similar too. (and same screen V)
The Russian 6P41S works very well, if the G2 voltage is limited to half the anode.
The connection of the base (both tubes are MAGNOVAL) EL506 and 6P41S is the same!

Last edited by davorin; 18th September 2020 at 05:32 AM. Reason: correct
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Old 18th September 2020, 07:51 AM   #32
Glass_painter is offline Glass_painter  Israel
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Location: Israel
Default 6FM7 dissimilar triode


The 6fm7 is the compactron sister of 6em7.

The 6EM7 is getting costly in last few years hence the recommendation to look at 6FM7.

This is a vertical deflection amplifier and driver in a single bottle.

This is a very good sounding tube SE or PP, anode or cathode parafeed configuration - highly recommended.


Glass painter
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Old 18th September 2020, 10:58 PM   #33
smoking-amp is offline smoking-amp  United States
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The 6fm7 is the compactron sister of 6em7.
There is also 6GF7 and heater V variants.
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Old 18th September 2020, 11:29 PM   #34
TonyTecson is offline TonyTecson  Philippines
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we shouldn't be talking of the 6fm7 lest the price goes thru the roof....
if people react to you a certain way, it is not because of them but more because of you....
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