The standard EML 45 has become a modern classic. In production since 2001, Emission Labs was the first modern manufacturer to reproduce the classic American 45 triode. Built with original “V” style 4-course filaments, updated gold plated grids, increased plate area, and a larger bottle; the EML 45 captures the vintage 45 tonality with improved reliability and longevity, even under maximum operating conditions.
All Emission Labs tubes are inspected and tested in-house before shipment. All EML tubes are shipped in factory packaging, with factory test results, as well as our in-house test results.
EML 45 Short Data:
Maximum Ratings
- Plate Voltage = 300VDC
- Plate Current = 45mA
- Plate Dissipation = 11W
- Series Grid Resistance = 100K Fixed, 500K Auto
Typical Characteristics
- Filament, 2.5V – 1.5A
- Plate, 250V – 34mA
- Tc – 2.2mA/V
- Rp – 1600Ω
- mu – 3.5
- Grid Voltage, -50V (AC.Fil)
Please read below for more info regarding all of the 45 offerings from Emission Labs.
EML 45 comparison:
The 45M is the mesh-plate version of EML’s classic 45. As with all the mesh-plate variants we expect an improvement in detail, air, and space. The 45M is no exception. If you’re looking for the most open and transparent sound within the 45 family, this is it.
The 45B is un uprated version of EML’s classic 45 triode. Utilizing the same V style filament and plate assembly from EML’s standard 45, the original magic of the 45 is retained, while allowing higher output operating points to be used. If you’ve ever fallen in love with the classic 45 sound, but desired more output, this is where you want to be. For more detailed info on the 45B please visit our 45B page as well as EML’s site.
Eurotubes is an official Emission Labs dealer. All EML tubes purchased through Eurotubes come with an automatic 1-Year (2,000hrs) warranty, and are eligible for the factory registered 5-year warranty.

