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In an effort to reduce spam and the spread of viruses, we are now providing this form for you to contact a person that has placed an ad on QTH.COM. After submitting this form, an e-mail will be generated and sent to BOTH you and the person that placed the ad. The e-mail will contain a copy of the ad, plus your e-mail information and your comments.
NOTE -- BEFORE YOU RESPOND:
Ad Number: | 1732902 |
Date Placed: | 06/14/25 |
Name: | Scott Dickson |
Phone Number: | 318-355-2220 |
Callsign: | W5WZ |
Category: | AMPHF |
Heading: | FOR SALE - Ameritron AL-1200 |
Ad Message: | FOR SALE - Ameritron AL-1200 S/N 12607 Clean & reliable. Instant on for bagging that rare one! Genuine Peter Dahl transformer. The power supply has been modified by adding 2 additional capacitors (a total of 10), see the web link in this ad for that write up in my blog. The Ameritron AL-1200 has a 3,600v power supply. Its filter capacitor bank of eight, 270mF 450vDC runs right at the limit of its design (8 x 450 = 3600). A common modification is to add two additional capacitors, along with the needed bleeder resistors, to increase the filter bank capacity to 4,500v. Keep in mind that the transformer still puts out 3,600v, so this modification essentially allows the components in the filter bank to have some overhead capacity. $2,000 plus shipping / delivery as required and negotiated with me. |
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