View and Download AMERITRON ALH instruction manual online. HF POWER LINEAR AMPLIFIER. ALH Amplifier pdf manual download. ameritron al owner s manual pdf file. This resource is listed under Radio Equipment/HF Amplifiers/Ameritron AL, at Ameritron AL manual resource. Instruction Manual. Acid Free Paper ~ Won’t Fade Nor Turn Yellow. Manual is Printed on 8 1/2″ X 11″ 32 Lb. I use the Latest High Quality Laser Printer.

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AMERITRON AL-811H Instruction Manual

Shipping cost cannot be calculated. Back to home page. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. This makes your components last longer and gives you peak performance — regardless of your line voltage. Kay s High Quality Manuals. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.

This item will be shipped through the Global Shipping Program and includes international tracking. The inductance of the long supply wires can not be ignored. Given its damage in the depicted tubeI think it’s caused by parasitic oscillationswhich led to a high voltage.

Too low line voltage causes a “soft-tube” effect — low output and signal distortion. Learn ameritrpn – opens in new window amreitron tab. The PA had no additional protection and had not been operational for years. Special financing available Select PayPal Credit at checkout to aameritron the option to pay over time.


The other meter switches between high voltage and plate current to warn of abnormal conditions. On the other bandthe SWR will be high and is an internal tuner required for full ouput. And the tubes are so inexpensive that you can replace one for mere pocket change. The ameritro of the 10 m coil has become too small due to mounting method. The Ameritron AL power supply is built tough so you get peak performance year after year.

Turn per band load and plate control clock and anti clockwise and watch if there is any anode or grid current.

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The scale is 1 – 10, with 1 being poor and 10 being excellent. My inspection yielded a burned grid resistor and a partially conductive varistor on.


Free shipping and returns. The powerful spark induced scorching and inside a hole in the glass.

The energy could not leave via the high impedance of the plate circuitand so chose the shortest path via the tube. Webmaster, add a Remote rating Ameritron AL manual – related links We thought you might aemritron be interested in these additional web sites, selected from the same category: Because there size s little space was to the valve sockets. Learn More – opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. Back to home page Return to top.

Conveniently plug it into your nearest VAC outlet — no special wiring needed. The shield of the cable also serves as a supply line to the central ground point in the tubes.


The suppression of the third- order harmonic is the difference between marker 3D and 4D. Minimum monthly payments are required.

About Ameritron AL manual The resource is currently listed in dxzone. One year limited warranty. No additional import charges at delivery! Service provided by Google FeedBurner. Flashover in a tube of an unprotected RF amplifier. Draws 8 amps at VAC. Second they use a directly heated thoriated tungsten filament cathode that prevents the electron emitting layer from instantly stripping off — even if mistuning causes a sudden, sever current overload. That ‘s nothing compared to a deceased tubediodes, or worse a faulty transformer.

Test and adjust the SWR also on the other bands. They wont blow even if you accidentally short the high voltage supply. The first watts make the difference The Al gives you watts PEP output — thats nearly 2 full S-units over your barefoot rig. Mouse over to Zoom – Click to enlarge. Thank you for Looking!

Ten-Tec Orion I Transceiver. Real Hams review new sites every day sincefor potential inclusion in the Directory, and to evaluate the best place to list them. Add to watch list Remove from watch list. See all condition definitions – opens in a new window or tab