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845 vacuum tubes with overwhelming power and delicacy
845 vacuum tubes for high-end audio, rebuilt with exquisite German-made technology
The ELROG ER845 is a special vacuum tube designed for tube amp enthusiasts and audiophiles. The classic 845 tube has been redesigned with modern technology to dramatically improve the expressiveness of the sound. Built through a precision German manufacturing process, the ER845 boasts low noise, low distortion, and high reliability, adding depth and clarity to your audio system.
Thanks to its strong plate voltage tolerance and plate loss performance, it is compatible with a wide range of music genres, especially in sound sources that require delicate expressions such as jazz and classical. In addition, it is possible to reproduce a well-balanced range from deep and rich bass to crystal clear treble, bringing out all the details of the music.
Compatible with existing 845 amps, it innovates the system while still enjoying ELROG's unique musicality and clarity.
| Filament voltage | 10V |
|---|---|
| Filament current | 3.25A |
| Amplification factor | 5.3 |
| Transconductance | 3.1mS |
| Plate Resistance | 1700Ω |
| Maximum Plate Voltage | 1250V |
| Maximum Plate Loss | 100W |
This spec makes the ER845 ideal for high-end audio systems as an 845 vacuum tube with high durability and excellent acoustic properties. In particular, the plate voltage of 1250 V and the plate loss performance of 100 W provide powerful and precise sound, enabling the expression of high dynamics and fine sound that cannot be experienced with conventional vacuum tubes.
