Voltage Dual Pentode ·Pentode-Pentode
Compactron containing two sharp-cutoff pentodes intended primarily for television intermediate-frequency amplifier service, providing two similar high-gain stages in one envelope.
The 8BN11 is a Compactron containing two sharp-cutoff pentodes, intended primarily for intermediate-frequency amplifier service in television receivers. Except for heater characteristics and ratings, it is identical to the 6BN11.
Duodecar 12-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
2 physical sections, each with unique specifications.
Section 1
No fixed ratings are recorded for this section.
Representative row for two identical sharp-cutoff pentodes. Uploaded sheet is reference/equivalence-only: it states identity to 6BN11 except heater characteristics/ratings and does not reproduce the referenced electrical tables; promoted values intentionally not inferred.
Section 2
No fixed ratings are recorded for this section.
Second physical pentode section; reference-only source does not reproduce electrical tables.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater Voltage AC or DC + o o o o o s + o
8.4 V
GENERAL
Heater voltage for a bogey tube at If
600 mA
GENERAL
The time required for the voltage across the heater to reach
80 %
GENERAL