Voltage and temperature may affect their useful life but that's nowhere near electrolytics. With -55 to +85 degrees they could last more of a life time unless you place them exactly next to a tube.
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Lifetime of Auricap capacitors ?
Does anyone know the approximate lifetime of these capacitors ?
I have not been able to find this information and the derating curves with temperature anywhere.
Please do NOT respond if you believe fuses or cable lifters or cable burn in makes a difference to the sound.
Thanks