Hi all,
just did something stupid, hooking 12VDC instead of 6.3V to a pair of ECC88. It didn't last longer than a minute.
Tubes glow normally now, heaters draw ~300mA which is close to spec.
Since my project is in construction phase, I have no way of checking if they're OK or not.
Did I damage the heater/tube?
just did something stupid, hooking 12VDC instead of 6.3V to a pair of ECC88. It didn't last longer than a minute.
Tubes glow normally now, heaters draw ~300mA which is close to spec.
Since my project is in construction phase, I have no way of checking if they're OK or not.
Did I damage the heater/tube?
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