The Original grounded grid triode introduced in the early s. Now obsolete part number. Power dissipation: w. EIMAC Z. Later version of Z. The EIMAC Z is a compact power triode intended to be used as a zero- as high as twenty times can be obtained with the Z in a cathode-driven. Tube Z or Röhre Z ID, Transmitting Triode, air cooled, SPECIAL TUBEBASE in Brand: Eimac (brand name) Typ ZG mit Graphitanode.
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Click to go home. Two Z tubes in a single amplifier, chassis mounted, may be adequately cooled by use of a fan so mounted as to pressurize the space below the sockets.
When handling a glass tube, eimwc that glass is a relatively fragile material, and accidental breakage can result at any time. The Eimac tubes have never been installed or tested and due to age and possible gassing issues your are buying them at risk and I will not take returns. Register for a free QRZ account. Go take a chance! The only discernible identification numbers are 4-digit numbers in red ink on the tubes- one tube is 90XX, one tube is 87XX and one tube is 3-500s. Not would of gave N5FUNMay 10, This page has ben scanned and OCR’ed from the Eimac data-sheet.
Further, no responsibilities, legal, financial or others will be accepted based on or connected to this page. Sincere effort has been given to provide an accurate and correct replication.
I ultimately went with a solid state amp and then a backup amp which is B based and so I am not going to every use these Z tubes. I got these several months back, out of an SK eiimac, in hopes of getting a amp. Filament voltage, as measured at the socket, should be maintained within the range of 4. W0OLLJun 17, Shipping to Russia is more than the price offered and customs import is too difficult. K7JOEJun 16, Our moderators review every post in this forum and will flag or delete those that do not conform.
If this procedure is followed, there will be little variation in output power when the tube is changed, even though there may be some variation in grid current. Not open for further replies. These conditions assume rectangular drive waveform and a third harmonic, high-efficiency “Tyler” circuit Approximate value NOTE: N5FUNMay 7, Make sure that you’re familiar with the rules before posting or replying in this area.
But like all things in life, there are no guarantees to that and no way for me to 3-5500z otherwise. Our moderators review every post in this forum and will flag or delete those that do 3-500 conform. Interelectrode Capacitance 1 Grounded Filament Connection. I do not know what they are worth. For best results with a single-ended amplifier it is suggested that the cathode tank circuit operate at a Q of two or more. The grid current which results when the desired plate current is obtained is incidental and varies from tube to tube.
Not open for further replies. N5FUNMay 9, N4XAEMay 7, Thoriated Tungsten Voltage 5.
Sold! Eimac Z | QRZ Forums
The kit came with 2 new Eimac Z’s with date codes as seen in the pictures, 3-5000z broke the seal on the boxes last week in order take pictures of the tubes and double check the date codes. I dont know what these are worth. My email address is good on QRZ.
After research I do not have the equipment eimsc know how to De-Gas the tubes before use and did not want to risk using them so I installed a set of RF Parts ZG’s I had for another amplifier.
The Elmac Z is a compact power triode intended to be used as a zero-bias Class AB 2 amplifier in audio or radio-frequency applications. Interlock switches must not be bypassed or “cheated” to allow operation with access doors open.
The anode of the operates at a visibly red color at its maximum rated dissipation of Watts. Breakage will result in in flying glass fragements, so safety glasses, heavy clothing, and leather gloves are recommended for wimac. Important Rules Have you read our Swapmeet Rules?
These figures may change without notice as the result of additional data or product refinement. Adjustment of the rf grid voltage to obtain the specified plate current at the specified bias and plate voltages is assumed. The Rotron “Spartan” fan rpm is also suitable, as is a 3, 3 inch squirrel cage blower 31 00 rpm all cases, the only criteria of proper cooling is the temperature of the tube seals Tube temperatures may be measured with the aid of temperature sensitive emac, spray or crayon.
K1FBIJun 17, I’m also interested in Begali cw products paddle especially