EF86 DATA SHEET PDF

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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Antique radios, Old Time Radios. Its design is low noise and anti-microphonic. Before the advent of the EF86 the Mullard valve of choice for pre-amplifier stages was the EF37A Mullard describe the EF86 as a low noise pentode intended for use as a RC coupled AF voltage amplifier, particularly in the early stages of high gain audio amplifiers, microphone pre-amplifiers and magnetic tape recorders.

Collection of Dennis Jaroschek D.

Collection of Bruno Candreia CH. Collection of Christian Schaufelberger CH. Views Read Edit View history.

Quantity of Sehet at Radiomuseum. In high gain applications such as tape recording care should be taken in siting the valve, particularly when a loudspeaker is present in the same cabinet or where a motor is mounted on the same chassis.

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Tesla; Praha, Bratislava etc. The EF86 is the standard early stage audio pre-amplifier valve. This electronics-related article is a stub. The landmark amplifier designs from Mullard’s application laboratories all specified the EF86, and today it is still the valve of choice for this work.

By using this site, you agree to the Terms of Use and Privacy Policy. EF86 Four EFtype tubes. The full Mullard data sheet is available by clicking the valve name at the top of the page. Collection of Klemens Rhode D. Collection of Danko Tkalec HR.

Collection of Bekir Yurdakul F. Collection of Tor Steinnes N.

EF86 – Wikipedia

RTT Franzis Retrieved from ” https: This exhibit was made by Mullard who designed the EF From Df86, the free encyclopedia. Collection of Daniel Consales D. The EF86 [1] is a high transconductance sharp cutoff pentode vacuum tube with Noval B9A base for audio-frequency applications.

It was sjeet shown at the Radio Show and first used in their amplifier from Care in the design of the valve to ensure that the electrode structure and its mounting are as rigid as possible has reduced the microphony of the EF86 to a very low level. The EF86 was used in many preamplifier designs during the last decades of vacuum tube hi-fi development.

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Vacuum tubes Guitar amplification tubes Electronics stubs.

(PDF) EF86 Datasheet download

In other projects Wikimedia Commons. You even can look up radio models with a certain tube line up.

Warning the PDF file is 3. In use it is recommended that it is fitted into a vibration resistant base. Collection of Ekkehard Pfau D. Collection of Ottmar Rollmann D. Collection JR Jacob Roschy. 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 valve holder. The UF86 is identical with the exception of a Erb Analysis by original leaflets.

Collection fe86 Jacob Roschy D.