Sophie Electric

Sophia Electric™ 300B Globe Mesh Plate Tubes for 300B Amplifiers

Sophia Electric™ 300B mesh plate tube has liquid, seductive mid range, creamy highs, solid bass, fast transition. This very dynamic tube will take your 300B experience to another dimension.

Note: S.E.T. Princess 300B tube models are proprietary products of Sophia Electric Inc. Due to popularity of these Princess 300B products, there are many look alike (or early ST model) in the market trying to get a share of success from those who can be easily switched.





Specyfikacja techniczna

  • Nominal operating conditions and parameters:
  • Filament voltage

    5,0 V *

  • Nominal filament current

    1,2 A

  • Plate voltage

    300 V

  • Grid voltage (AC filament)

    61 V **

  • Grid voltage (DC filament)

    58 V ***

  • Plate current (AC filament)

    60 mA

  • Plate current (DC filament)

    62,5 mA

  • Grid to plate transconductance

    5700 Ω

  • Amplification factor

    3,85

  • Grid current

    0.05 µA

  • Plate resistance

    700 Ω

  • Limiting Operation conditions for safe operation-nor simultaneous ratings:
  • Maximum plate voltage

    450 V

  • Maximum plate dissipation

    40 W

  • Maximum plate current of average tube for fixed grid bias

    70 mA

  • Maximum plate current for manually adjusted grid or self-biasing circuit

    100 mA

* - AC filament supply or DC filament supply.
** - AC filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
*** - DC filament supply is used. The grid and platter returns are connected to the negative end of the filament.

Sophia Electric™ 300B Globe Mesh Plate tube plate curves
Sophia Electric™ 300B Globe Mesh Plate tube plate curves



Przeglądaj testy i opinie


CENY

Opcja 1: Para Premium z roczną gwarancją (Ceramc base).

1 900 zł
Opcja 2: Para Premium z 30-o dniową gwarancją (Ceramic base).

1 750 zł
Opcja 3: Para Premium z roczną gwarancją (Black base).

  mail
Opcja 4: Para Premium z 30-o dniową gwarancją (Black base).

  mail
Ceny zawierają VAT

Zamówienia i gwarancja