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Default At power on tube filaments light up more than normal for a sec

Jan wrote:
Flashing heaters, another reason to go solid state.

Jan


That's no reason at all since it's perfectly normal for some brands of
tubes to glow bright for an instant during power up. A lot of the
Serbian made Ei tubes such as ECC83 & 12DW7 behave this way & they sound
great. Many of the Mullard NOS tubes do the same thing. Perfectly normal.