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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rct The 12AU7 and its variants are a miniature nine-pin B9A base medium-gain dual triode vacuum tube. Pages using deprecated image syntax Articles containing potentially dated statements from All articles containing potentially dated statements.
Great valve for little marshall 1 watt amplifer power stage,cheap and professionally packed and shipped!
NOS for sure, no doubt. These tubes do have a unique sound of their own not heard elsewhere in ECC82 family tube type. This page was last updated: Anonymous June 10, at 6: 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.
Just run in at about hours.
RFT ECC82 Tubes – Any Opinions? | Steve Hoffman Music Forums
These German tubes are usually characterized by an impressive open “air” at the top end. The midrange is ruler flat, and the bass is tight and accur Anonymous December 3, at 2: Boy, are they NOS, with shiny straight pins.
Also shop in Also shop in. From Ecx82, the free encyclopedia. This page is being bookmarked! Construction is quite rare – with strengthen supports gray plates and single O-shaped halo getter. Anonymous December 4, at 8: Languages Polski Edit links. Number of bids and bid amounts may be slightly out of date.
Construction of dcc82 right is quite rare – with dual stregthen supports, gray plates and single s Prices are still low with this kind of tubes. Surprisingly this tube has a wide and deep stage! They have nearly no noise and zero microphonics.
Price is for 4 tubes in seemingly little used condition. These are quality tubes on budget and come screened for noise and microphonics!!
ECC82-RFT / E.Germany NOS
Anonymous May 1, at Vacuum tubes Guitar amplification tubes. Koray is great to deal with, and obviously cares about his customers. Ordered one day with express shipment option and delivered in Spain next day. But the product, the testing, the price and the service were all first rate. This tubes were tested on high end Rcc82 military tube tester L by a qualified eng Price is for 2 NOS, new.
Tube/valve ECC82 = 12AU7 RFT
Get yours now before they’re all gone. Their sounding is great and is especially good for guitar amplifiers because Compared to my reference RCA clear top, I can live happily with both. Lovely clean sound, very quiet. Anonymous January 31, at 8: They are carefully matched from few pcs boxes, more details about testing procedure on my site.
In other projects Wikimedia Commons. Construction is with two supports, gray plates and single O-shaped halo getter. Retrieved from ” https: All kinds of matching available. See each listing for international shipping options and costs. This type of tubes are low noise and low microphonic preamp ones.
Double triodes of the 12AU7 family eecc82 a center-tapped filament for use in either 6.
Superb tube and superb service as ever from Koray. Koray is great, I do not buy frequently and he still dft time answering my email in details. Premium Audio 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.