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Rebuilt Amp Supply LK-500ZB

cbkidd1

Well-Known Member
May 3, 2005
840
155
53
61
pa.
I am relisting my LK-500ZB. I bought the amplifier back in March of this year. The gentlemen who sold me the amplifier had done a very good job of rebuilding it. I had run into some issues with some of the capacitors that he had used they turned out to be Chinese junk caps. I replaced them with Quality USA made capacitors along with two other resistors on the B+ line. The amplifier is now in great working order. A list of things that had been replaced with in the last year. 10-meter Mod done. A new matched set of Machlett 3-500ZG tubes with paperwork and less than 20 hours on them. Has a new Harbach PM-800 Replacement Power Supply Module with paperwork. Two new circuit breakers. New 220v plug. The Transformers are both made by Peter W Dahl. The main transformer was sent to Garry Brown last year for rewinding. Note the plate voltage is 3,250V. Has a new soft-start delay board. Has a new switch on the back of the amplifier for Qsk or Vox mode. Along with new plugs for key in and key out. The two meters have two each 3 amp diodes for protection. The only thing that needs to be replaced is the 15-meter Toroid coil. When I added the 10-meter mod I used the 15-meter Toroid coil. I did not get around to ordering a replacement. The LK-500ZB comes with spiral-bound manuals as well as paperwork and a lot of new spare parts I had bought recently just to have on hand if ever needed. As for cosmetics, the amplifier is a solid 9 3/4 The Reson it is not a 10 is because along the bottom in front you can see where the front cover is coming unglued it is about a 2-inch piece that is starting to lift up a little glue and it will be as good as new. Covers 10 -160 meters, Has Hi-low fan switch. This is a very nice looking and working amplifier. No scratches or blemishes on the case. The only thing that has not been replaced that I am aware of is the parasitic suppressors. I am very honest and have bought and sold radios and amplifiers on the forum for years. Also, you can check out my feedback on eBay under cbkidd My asking price is 1,325.00 PayPal or Money order. Shipped FedEx ground with tracking info. Sold as-is due to misuse of amplifier or parts being taken out or switched. The amplifier will be double boxed with a great deal of care and packaged very well for the trip. The two 3-500zg tubes will be very carefully packaged and shipped double boxed also. I have shipped a lot of tube amplifiers and tube Transceivers over the years. So no need for you to worry about it being damaged due to the way it was packaged for shipping. I no longer use UPS because of the way they handle packages. Will have it ready for pick up the next day along with your shipping info to you so you can start tracking right away. If you want more pictures just let me know. 73,
 

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  • Like
Reactions: Shadetree Mechanic

Not sure? Never had that happen lol. Never fails I end up selling something for way less then it cost me to buy it.
 

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