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JJ E83CC - Frame Grid

Description

Meets the 12AX7 / ECC83 specification but has a imporved grid construction. Files:

Datasheet

Manufacturer

Herstellerinformationen | Manufacturer Information
JJ Electronic
A. Hlinku 3
022 01 ČADCA
Slowakische Republik
www.jj-electronic.com

Customer reviews (2)

Essential information about customer reviews We do not verify that the published reviews come from such consumers who have actually used or purchased the rated goods or services. All reviews, i.e. positive and negative, are published. No reviews that are unobjective, offensive or unrelated to the product will be published.

ADAM P., 11/05/2022

Thats great tubes for audio / hifi application, low noise, no microphonics or mains hum, and constant transconductance (slope) over a wide range of characteristics. Sound still warm but very detailed and on hi end/hi mid powers side - great cooperate with EL34 II JJ *(smooth and warm, great low mid, and velvet histone) characteristics. Sound still warm but very detailed and on hi end/hi mid powers side - great cooperate with EL34 II JJ *(smooth and warm, great low mid, and velvet histone)
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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.

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