given as a guide only – please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. EF86 Ratings. TECHNICAL DATA. Characteristics of a bogey tube: Electrical. Heater Voltage ( AC or DC) in Volts. +/ Heater Current in mA. +/- 10%. Page 1. Page 2. Page 3. Page 4. Page 5. Page 6. Page 7. Page 8.

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In such cases a flexible mounting for the valve-holder or a separated weighted sub-chassis is advisable. Warning the PDF file is 3. Collection of Sata Tkalec HR.

Quantity of Models at Radiomuseum.

Collection of Karl – Heinz Bossan D. At higher frequencies the effect of vibration is usually negligible on account of the damping provided by the chassis and the valve holder.

Collection of Klemens Rhode D. For the EF86 under normal conditions, I. Collection of Kazimierz Jarosz S. Collection of Ekkehard Et86 D. The rarely used EF83 is a remote-cutoff pentode [4] otherwise similar to the EF86; the remote sheef variable mu makes it suitable for applications such as automatic gain control agc in tape recorders.


This can be further reduced by centre tapping the heater to earth. You will find thousands of tubes or valves with interesting links.

Collection of Tor Steinnes N. Collection of Georges Werts B. Collection of Reinhard Riek D. The UF86 is identical with the exception of a You even can look up radio models sbeet a certain tube line up. Under these conditions the maximum hum level is 1.

Saba Meersburg Automatik 7 und Freiburg automatik 7 von The EF86 was used in many preamplifier designs during the last decades of vacuum tube hi-fi development. Collection of Stig Comstedt S.

(PDF) EF86 Datasheet PDF Download – A.F. Pentode

The EF86 is the standard early stage audio pre-amplifier valve. The full Mullard data sheet is available by clicking the valve name at the top of the page. Collection of Patrice Zeissloff F. Collection of Aldo Zheet CH. Views Read Edit View history.

Although used in circuits such as tape recorder input stages and instrument amplifiers, microphony can be a problem, even when mounted in a vibration-reducing sheeg holder. Collection of Hermann Fleischanderl A. By using this site, you agree to the Terms of Use and Privacy Policy.


EF 86, Tube EF86; Röhre EF 86 ID, Vacuum Pentode

PF86 ; UF86 Other base and data slightly different: Collection of Massimo Pedrina I. In use it is recommended that it is fitted into a vibration resistant base. It was first shown at the Radio Show and first used in their amplifier from Collection of Karl-Heinz Entrich D.

Articles containing potentially dated statements from All articles containing potentially dated statements All stub articles.

(PDF) EF86 Datasheet download

EF86 Four EFtype tubes. Unlike many pentodes it was designed specifically for audio applications, low noise and low microphony being claimed advantages, although a rubber-mounted vibration-resistant base was still recommended.

Erb Analysis by original leaflets. You can help Wikipedia by expanding it. Datta exhibit was made by Mullard who designed the EF Other class quality otherwise equal: