Electro Harmonix 7025

Electro Harmonix 7025
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Our Price:  £14.50
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Availability:  

  

In stock, immediate despatch


Model:  SKU151-1
Part Number:  00683274026091
Brand:  Electro Harmonix

Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a 12AX7 that was tested and selected for the lowest noise and microphonics for use in the critical first preamp stages of amplifiers where noise and microphonics could be an issue. In order to ensure that the 7025 specification is consistently met, Electro-Harmonix has redesigned the structure of the 12AX7 and has implemented construction techniques to ensure the absolute lowest noise and microphonics possible. In all samples tested, noise and microphonics could not be detected.

The Electro-Harmonix 7025EH has a mid-range that gives clarity and definition to the sound and a smooth top end for warmth and balance. With these characteristics, along with the exceptionally low noise and low microphonics, the Electro-Harmonix 7025EH will work equally well in vintage and modern high-gain guitar amplifiers, as well as sensitive phono preamps.

These are premium and tested on specialised digital and analogue testing equipment by Karltone as follows

  • Gain (A)

  • Transconductance (gm) 

  • Noise (dbv)

  • Microphonics

  • Emission Quality

  • Grid Leakage

  • Shorts

Test results are provided with purchase