300B-XLS-EmissionLabs

300B-XLS-EmissionLabs

Triode · DHT · UX-4 · 2010

Enhanced dissipation 300B.

High-power directly-heated triode for single-ended amplification

Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0Ω
TRANSCONDUCTANCE0mA/V
GAIN4%
POWER100%
DRIVE99%
LINEARITY95%
HEATER5V / 1.5A
MAX PLATE500V / 40W
BASEux4
TYPICAL OPERATING POINT
Va425V
Ia425.85mA
Vg-45V
Pd180.99W
RL2kΩ
Av10.2dB
EXECUTIVE SUMMARY

The 300B-XLS-EmissionLabs is a directly-heated triode from Emission Labs, introduced around 2010. It provides a gain factor (μ) of 3.9 with 650Ω plate resistance. Commonly used in power (set) applications. Enhanced dissipation 300B.

APPLICATIONS
SET outputPush-pull outputHeadphone output
Generic triode power (set) stage
Hi-Fi stereo Headphone amp PA/public address
VS 300B
μ +1%Rp -7%Pd 0%Full comparison →
HISTORY
Introduced2010ManufacturerEmission LabsEquivalents300B
Modern
SPECIFICATIONS
Heater Voltage5V
Heater Current1.5A
Max Plate Voltage500V
Max Power40W
Sensitivity6 mA/V
Gain Factor3.9
Internal Impedance650Ω
PinoutUX-4
Era2010
RaritySought-after
PDF

300B-XLS-EmissionLabs Datasheet

Frank's Electron Tube Pages · PDF