845 vacuum tubes with overwhelming power and delicacy
845 vacuum tubes for high-end audio reconstructed with sophisticated German technology
ELROG ER845 is a special vacuum tube designed for vacuum tube enthusiasts and audio maniacs. The classic 845 tubes are redesigned with modern technology to greatly improve sound expression. Made after a precise manufacturing process in Germany, the ER845 boasts low noise, low distortion, high reliability and gives depth and transparency to the audio system.

With strong plate voltage resistance and plate loss performance, it supports a wide range of genres of music, especially with sound sources that require delicate expressions of jazz and classical music. In addition, it is possible to play in a balanced manner from deep and rich bass to transparent treble, and draw out music details without excess.
Compatible with existing 845 amplifiers, you can enjoy ELROG's unique musicality and transparency while adding innovation to your system.
Filament Voltage | 10V |
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Filament Current | 3.25A |
Amplification rate | 5.3 |
Mutual conductance | 3.1mS |
Plate Resistance | 1700Ω |
Maximum plate voltage | 1250V |
Maximum plate loss | 100W |
This specification makes the ER845 ideal for high-end audio systems as an 845 vacuum tube with high durability and excellent acoustic properties. In particular, 1250V plate voltage and 100W plate loss performance provide powerful and precise sound, enabling high dynamics and precise sound representation that traditional vacuum tubes cannot taste.

