WE ARE OFFERING SINGLE VINTAGE 70'S EI YUGOSLAVIA BRANDED INTL SERVICEMASTER 12AU7A ECC 82 SMOOTH PLATE PREAMP TUBES. THESE WERE BUILT ON TELEFUNKEN MANUFACTURING EQUIPMENT IN THE 70'S. THEY HAVE SUPERB BUILD QUALITIES WITH HEAVY GLASS, LONG 17MM SMOOTH PLATES, HALO GETTERS AND PROVIDE THAT GREAT...

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This SIEMENS labeld ECC82 is born as Ei (Yugo) smooth plate 12AU7 / ECC82 in the late 1970s to the early 1980s at the heyday of the tube production in Yugoslavia. Made with Telefunken and Philips tooling, these tubes sound much like Telefunken smooth plates; this is …

Matched pair,strong measurements 100%+ on both sides,no shorts no gas. Price is for 2 tubes. Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full …

This page lists all of the 12AU7 tubes I currently have in stock, including all industrial and European versions. It is a long page, use your scroll button and scroll down the page to see it all.

2009年8月4日 · 一直以来都想测试一下手头上的几支不同品牌的12AU7表现，昨晚刚好有空完成了这个测试，测试主要目的是检验一下管子处于高增益状态下的噪声和话筒效应，希望能对大家有点帮助。 图片分别是手头上拥有的几支不同品牌的12AU7型管。 左起分别是：曙光金字外贸版12AU7、俄罗斯EH 12AU7A、德国RFT FUNWERK ERFURT ecc82、美国RCA光头12AU7、美国GE 5814A。 测试线路是丽特的仿Convergent SL-1 Signature 胆前级，因为这个线路对12AU7 …

本资料有12AU7、12AU7 pdf、12AU7中文资料、12AU7引脚图、12AU7管脚图、12AU7简介、12AU7内部结构图和12AU7引脚功能。

The document is a 4 page data sheet for an ECC82/12AU7 double triode electronic tube from Ei-RC electronics factory. It provides specifications such as a heater voltage of 6.3V, amplification of 17, and lists typical operating characteristics including anode voltage, grid voltage, and transconductance.

2024年8月19日 · Fantastic Amperex NOS tubes, exactly as described. Extremely well packed with lightening fast delivery.

The TELEFUNKEN Elektroakustik ECC82-TK is a newly manufactured and cryogenically treated rendition of the classic ECC82, commonly known by the American designation 12AU7. The ECC82 is a dual triode vacuum tube with medium gain and low noise characteristics, making it ideal for hi-fi audio equipment and instrument amplification.