Pinched Waist delta 7H 7L3 E88CC tube, whats means best quality tube from this family, very good sound, NOS. Testing
as new.(very equal triodes)
Ia=19.0mA second half Ia = 18.9mA
S=13.3ma/v second half S =13.6mA
Data Sheet:
Ua= 90v
Ug=-1.3v
Ia= 15mA
S=12.5ma/v
300 Euro plus shipping 15 euro in Europe.
as new.(very equal triodes)
Ia=19.0mA second half Ia = 18.9mA
S=13.3ma/v second half S =13.6mA
Data Sheet:
Ua= 90v
Ug=-1.3v
Ia= 15mA
S=12.5ma/v
300 Euro plus shipping 15 euro in Europe.