No hay artículos en el carro
No hay artículos en el carroLa reedición Mullard 12AU7/ECC82 es un gran tubo 12AU7. Este tubo tiene bajo ruido y micrófonos bajos. Un gran tubo para amplificadores y micrófonos de alta fidelidad.
Cliente
Comentado en Italia el 28 de enero de 2025
Non sono un tecnico ma la valvola in questione è a mio giudizio migliore dell'altra che ho sostituito nel preamplificatore valvolare per voce, la uso per cantare, tono più caldo e deciso la voce è migliorata
Abbas
Comentado en Canadá el 17 de febrero de 2022
Poor quality
Florian M
Comentado en el Reino Unido el 8 de agosto de 2020
Better then the original chinese tube.Using on the modded Bravo V2.
GPD
Comentado en los Estados Unidos el 7 de agosto de 2017
I play bass for Worship Teams at my church. I installed this Mullard 12AU7 in a Behringer Ultragain MIC200 which I use as a DI. This tube is GREAT! It is exactly what I hoped for. The 12AX7 that came with the Ultragain was not only quite noisy it had almost no gain adjustment before it was over-driving the input to the board. It went from almost no output to overdiven and very noisy when moving the output less than one mark. The gain had to also be set very low which didn't work the original tube hard enough to warm it much. Now with this Mullard 12AU7 I set the gain to about the 1 oclock position and set the gain at the3rd or 4th mark and my bass has a very nice warm sound with a really nice low growl when I want it with almost no induced noise. If you have a Behringer Ultragain MIC200 you want this tube in it.
Skylighter
Comentado en los Estados Unidos el 15 de agosto de 2016
I have an older Vox Valvetronix guitar amp with an Electro Harmonix 12AX7 tube in it that I was experimenting with different tubes (valves) to see how the modeling circuits would change in tone. This amplifier uses a single dual triode tube in the power section instead of the input, and then sends the output of the tube to a solid state power amp. The stock tube is fizzy sounding in this configuration and doesn't give a smooth break up at lower volumes when you push it lightly into overdrive, so the 12AU7 mellowed the fizzies right out - but the amp now is unable to get metal-like tones with this tube, its really weak amplification. This was the result I expected, and it made the cleaner amp models sparkle in the process, so I got what I was looking for. I will try the 12AT7 next to see if I can get the best of both clean and dirty. I bought a new 12AX7 too, just in case I was wrong, will be testing it later and reviewing them all eventually.As I understand the 12A-7 (7025) series of tubes, the 12AX7 is the hottest with 100% amplification, 12AT7 comes next with 70%, then the 12AU7 is around 19% gain. The AU's were used a lot in the preamp circuits of vinyl stereo consoles noted for very clean and warm sounds.
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