The thin glass tube envelope is 19 mm in diameter and, excluding the B9A base pins, is 70 mm tall. References: Datasheet, &. Type EZ81 was first introduced in. EZ Double anoDe rectifying tube max 77,8 max 22,2 max 71,4. Base: NOVAL uf = 6,3 V if = 1 a. Typical Characteristics: Capacitor. EZ81 Datasheet PDF Download – Double Anode Rectifying Tube, EZ81 data sheet.

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Before they are assembled, all parts are thoroughly datasueet using such methods as the ultrasonic bath, chemical cleaning or annealing in an inert gas atmosphere hydrogen, nitrogen.

Collection of Ekkehard Pfau D. Antique radios, Old Time Radios. Collection of Alberto Ammendola I.

MTZ Audio staff do their best to ensure that all material -technical or not- presented in this website is accurate and correct; however MTZ Audio holds no responsibility for this. Collection of Ralf Meinke D. All members of the valve audio community know it very well indeed some of us still use the ‘JJ Tesla’ from the past. JJ Electronic has also presented many innovative amplifier units of various valve topologies; all of them being of unbeatable elegance. Collection of Hermann Fleischanderl A.

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Next, the assembled glass envelopes are evacuated by mechanical and diffusion vacuum pumps. Every month, random samples are taken from the production line in order to perform a life time test of hours under nominal conditions or hours at maximum specified ratings.

Collection of Tor Steinnes N.


Collection of Peter Gruschka D. Product List and Data. More on these products on JJ’s official website. EZ81 End of forum contributions about this tube. Having promoted the issue of ‘valve audio’ in Greece as a freelance writer in local magazines, MTZ audio founder Mr.

Mullard-original papers Bernd Staginnus. Collection of Hans-Peter Fritzwanker D. Collection of Ottmar Rollmann D. Collection of Danko Tkalec HR.

Specifically, these parameters include: Assembled systems are then sent to sealing in a glass envelope. Collection of Karl – Heinz Bossan D.


Collection of Franco Antolini I. Collection of Heinz Schmidt D. Ist diese Vorgehensweise korrekt? You will find thousands of tubes or valves with interesting links.


You even can look up radio models with a certain tube line up. Collection of Reinhard Riek D.

Today, we offer an assortment of more than 20 types of tubes. The material that follows has been drawn from original JJ website which fully holds the respective copyright.

Collection of Patrice Zeissloff F.

Every tube is then electrically tested for all parameters which are datashete key to a flawless operation and a great sound. Collection of Bekir Yurdakul F. My own collection Hannu Alho.

Many of them are based on JJ tubes and have their own share of success among the members of the greek audio DIY family. This famous brand of audio tube manufacturing, located in Slovakia, Europe, needs no special introduction.