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Reviews Categories | Amplifiers: RF Power - HF & HF+6M | Amp Supply LA-1000-A Help

Reviews Summary for Amp Supply LA-1000-A
Amp Supply LA-1000-A Reviews: 12 Average rating: 4.5/5 MSRP: $499.50 in 1988
Description: Compact HF linear amp.
Product is not in production.
More info: http://
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W2TYO Rating: 4/5 Apr 10, 2003 14:47 Send this review to a friend
Potential problem  Time owned: more than 12 months
I agree that the expensive sweep tubes don't last very long. However, the amp is small and easy to use. I had a problem with mine that someone else might experience. The output coil is wound on an insulating plastic coil form and the sections are terminated in solder lugs pop-rivited to the form. Unfortuneately, there are separate lugs for the end of one winding and the start of the next. Mine weren't soldered together--heated up and failed. I rewound the coil with jumpers soldered across the lugs and now it works fine.
K4HX Rating: 3/5 Dec 9, 2002 06:14 Send this review to a friend
Great, if you have tubes!  Time owned: more than 12 months
I would give this little amp a "5" rating, except for the fact that it uses obsolete tv sweep-tubes (4), which don't last long, and are getting hard to find, and rather pricey! (around $40/ea.)

The unit is well built, looks very nice, and operates smoothly, putting out about long as you have a good set of tubes in it. *BUT* No matter how gentle you are in the way you use this amp (I "babied" mine, always tuning it up quickly and carefully), sooner or later you are going to fry one or more of the light-duty 6MJ6 tubes! I believe 6LQ6's will also work in this rig.

Don't buy one unless it comes with plenty of spare tubes, or you plan to do a conversion to the Svetlana sweep-tube replacements! Otherwise, it's a sweet little amp...
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