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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Breakage will result in in flying glass fragements, 35-00z safety glasses, heavy clothing, and leather gloves are recommended for protection. This will minimize thermal stress on the thoriated-tungsten filament wire, which can cause internal tube geometry changes with repeated cycling. Further, no responsibilities, legal, financial or others ei,ac be accepted based on or connected to this page.
W0OLLJun 17, Intermodulation values listed are those measured at the eimsc peak envelope power noted. The 4 digit is year of manufacture. Not open for further replies. The kit came with 2 new Eimac Z’s with date codes as seen in the pictures, I broke the seal on the boxes last week in order take pictures of the tubes and double check the date codes.
Operation with zero grid bias simplifies associated circuitry by eliminating the bias supply. These current variations cause no difficulty so long as the circuit maintains the correct voltage in the presence of the variations in current.
N5FUNMay 9, Not would of gave Important Rules Have you read our Swapmeet Rules? 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 paint, spray or crayon.
I’m also interested in Begali cw products paddle especially I’m open to other interesting stuff but I’d like to keep the lot of 3 tubes intact as someone who gets them can getter them all, test them, and likely wind up with 1,2, or 3 good tubes.
Air flow requirements to maintain the above maximum temperatures are tabulated below For emac below 30 MHz. The Elmac Z is a compact power triode intended to be used as a zero-bias Class AB 2 amplifier 35-00z audio or radio-frequency applications. K7JOEJun 16, N5FUNMay 10, I can only assume they are good-spare as they were marked as such by the former owner good-spare on a note affixed to each of the 3 tubes.
Our moderators review every post eiimac this forum and will flag or delete those that do not conform. The grid current which results when the desired plate current is obtained is incidental and varies from tube to tube.
The next 2 digits would be week within the eimacc. When handling a glass tube, remember that glass is a relatively fragile material, and accidental breakage can result at any time. Filament voltage, as measured at the socket, should be maintained within the range of 4. Show Ignored Content Thread Status: Sold pending funds from N8WS.
Phone -FAX – 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.
In all cases, air flow rates in excess of the minimum requirements will prolong tube life. See zero-bias operation in Application Section Approximate value Per tube Nominal drive power is one-half peak power.
SOLD – N.O.S. Eimac z tubes dates | QRZ Forums
A flexible connecting strap should be provided between the heat dissipating plate connector and the external plate circuit. 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. These figures may change without notice as the result 3-500x additional data or product refinement.
For best tube life, the inrush current to the filament should be limited to two emac normal current during turn-on.
Register for a free QRZ account. Not open for further replies. Design equipment so that no one can come in contact with high voltages. Important Rules Have you read our Swapmeet Rules? Make sure that you’re familiar with the rules before eimav or replying in this area.