Hickok test 4800/4800 umhos gm strong Code 3F6/2161
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Model 12AT7. 12AXY, 12AT7, and 12AU7, can still be confusing to differentiate and understand which is used for what purpose and whether one can be substituted for another. Below we will try to clarify the most common differences between the 12AXY, 12AT7, and 12AU7, and in what circumstances they can be interchangeable.
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The best of these tubes retain a fine sense of "air" at the top, and the upper midrange is smooth and liquid. These tubes reproduce the human voice, especially female voices, with haunting realism. This is very important!
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Plate(s): Grey w/Copper Grid. Getter: Top Halo. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
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"Like a warm British jacket of the finest tweed, these glorious tubes have an attractive sweet warmth in their midrange and lower regions.". The top end is silky and pleasant and doesn't get rolled off.
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ECC81 12AT7 GE by Mullard. If you buy more than 1 item from.
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Model 12AT7WA. Double Triode. Designed as a grounded grid radio frequency amplifier or as a combined oscillator and mixer at frequencies below appr. 300 mC, mostly used in guitar amplifiers.Found in many high fidelity applications, as each triode section in normal use operates as a class A amplifier.
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1940, 40s, 1950, 50s, 1960, 60s, 1970, 70s. Tube(s) shown in pictures will be the exact tube(s) you will receive.
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