ECC82 RFT PDF

The 12AU7 and its variants are a miniature nine-pin (B9A base) medium-gain dual triode vacuum tube. It belongs to a large family of dual triode vacuum tubes which share the same pinout (RETMA 9A). 12AU7 is also known in Europe under its Mullard–Philips tube designation ECC RFT “thin-plate” ECC82 variant ( left), RCA 12AU7A variant (right), Hitachi. 12AU7 = ECC82 RFT Super quality 12AU7 made by the German factory RFT. Excellent performance in both hi-fi and musical instrument applications. The German made RFT 12AU7 is considered to be one of the better sounding European tubes you can find. It ranks up there with the RCA 12AU7 clear top.

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This type of rfg are low noise and low microphonic preamp ones. This page was last edited on 13 Decemberat Price is for 4 tubes in seemingly little used condition. Prices are still low with this kind of tubes. Koray is great, I do not buy frequently and he still spends time answering my email in details. Double triodes of the 12AU7 family have a center-tapped filament for use in either 6. Price is for 2 NOS, new. Previous Page Next Page Home.

Ordered one day with express shipment option and delivered in Spain next day. This tubes were tested on high end Russian military tube tester L by a qualified eng Skip to main content. Also shop in Also shop in.

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It was widely used, in special-quality versions such as Rvt and A, in pre-semiconductor digital computer circuitry. Surprisingly this tube has a wide and deep stage!

Retrieved from ” https: The tube is popular in hi-fi vacuum tube audio as a low-noise line amplifier, driver especially for tone stacksand phase-inverter in vacuum tube push—pull amplifier circuits. Anonymous January 31, at 8: But the product, the testing, the price and the service were all first rate. Superb tube and superb service as ever from Koray. Anonymous December 4, at 8: These have short rounded gray plates similar to the typical 12AT7 plates which a This type of tubes are low noise and low microphonic preamp made.

All kinds of matching available. Clear low noise tubes! Their sounding is great and is especially good for guitar amplifiers because Boy, are they NOS, with shiny straight pins.

ECC82-RFT / E.Germany NOS

Construction of the right is quite rare – with dual stregthen supports, gray plates and single s Number of bids and bid amounts may be slightly out of date. They are carefully matched from few pcs boxes, more details about testing procedure on rct site.

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We are really impressed with these tubes. The midrange is ruler flat, and the bass is tight and accur Anonymous June 10, at 6: Vacuum tubes Guitar amplification tubes.

NOS Tube Store: RFT ECC82 / 12AU7

This page is being bookmarked! Construction is with two supports, gray plates and single O-shaped halo getter. Price is for 2 NOS and tested valves. Compared to my reference RCA clear top, I can live happily with both.

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Lovely clean sound, very quiet. NOS for sure, no doubt. Anonymous May 1, at Koray is great exc82 deal with, and obviously cares about his customers. These German tubes are usually characterized by an impressive open “air” at the top end.

This is the best version of the series triodes designed specifically for sound amplification. The 12AU7 and its variants are a miniature nine-pin B9A base medium-gain dual triode vacuum tube.

They happen to sound great in their use, but of course, that’s subjective and shouldn’t be of too much interest to you. In other projects Wikimedia Commons. They have nearly no noise and zero microphonics.

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