I have a Heathkit HA-10 Warrior amp that the power transformer HV winding has shorted. Would like to find someone to rewind the transformer. Any suggestions on someone that can do this sort of work? Thanks, Scott
I don't think any transformer shop would do that except to charge by the hour. Let's see 4 hours at $60/hour....tha'ts....that's..well, a lot.
Dahl made a replacement, but it was over 300 dollars. Hammond is taking over the Dahl line. Heyboer might do a rewind or replacement.
================================================================ HEATH HA-10 WARRIOR PLATE TO PRODUCE 1500 VDC @ 0.5A CCS FWCT CORE) EI-175 X 4" 29GM6RTM STYLE #) 06 E-I LAMINATED CORE PR) 115/230 VAC 60 HZ 1 PH S1) 3400 VCT @ 0.5A CCS (FWCT) DM) HT = 5.250 WT = 5.250 DT = 4.375 MD = 3.500 MW = 4.375 PRICE) $335.00 Plus S&H FOB Buffalo, NY WEIGHT) 25 LBS ================================================================ HEATH HA-10 WARRIOR PLATE SP SPECIAL FOR FWCT CAPACITOR INPUT CORE) EI-175 X 4" 29GM6X STYLE #) 06 E-I LAMINATED CORE PR) 115/230 VAC 60 HZ 1 PH S1) 2500 VCT @ 0.7A CCS (FWCT) DM) HT = 5.250 WT = 5.250 DT = 4.375 MD = 3.500 MW = 4.375 PRICE) $335.00 Plus S&H FOB Buffalo, NY WEIGHT) 25 LBS ================================================================
That's a fair price for the work. You can rewind it yourself by hand on the bench but you'll see why they charge that much.
Heyboer Transformers has been designing and building the highest quality transformers for electronics industry since 1958. It is a small shop (~10 employees). Alden Arendsen is owner / sales engineer at Heyboer. I have been happy with their work on my restoration projects, over the past 20+ years. == Heyboer Transformers 17382 Hayes St. Grand Haven, Michigan 49417 https://www.heyboertransformers.com/ Phone: +1 (616) 842-5830 Fax: +1 (616) 842-3731 === BlueGlow Electronics of Mocksville, North Carolina, owned by Mark Walker, KG4FDR purchased the Transformer Rewinding Service (TRS) formerly operated by Gary Brown, WZ1M (Orene, Maine). After purchased the TRS business, he had a heart attack and travel for his day job travel increased. The combination means he stopped repair work and will not be rewinding transformers until retirement (~2024). https://blueglowelectronics.wordpress.com/transformer-rewinding/
Even 20 years ago there were very few places that re-wound transformers . . . So when the Mains Transformer went on my Drake R4A, I eventually found a local place that made Transformers . . . I rang up to see if they could help, and the boss said to bring my Transformer in. When I got there, I realised it was a factory (full of mainly women) that just made what you Americans call Wall Wart power supplies, for various British companies. (these were still proper Transformer types, not switch mode) However, the boss was clearly very bored, and took this on as a project. He said the transformer was so badly melted that he would just make a new one, the same size and spec. He asked me what voltage and expected current the various windings had. He somehow got hold of Imperial Size laminations, as they have been Metric here in Britain for a while . . . and he made a superb transformer, and bolted on the original metal covers both sides, which he had re-sprayed. I can't imaine how many hours he must have spent on this job . . . but he only charged me £40 ! (and yes, the transformer worked perfectly) Sadly I imagine he has long since retired . . . Roger G3YRO
Keep the transformer and power supply choke for wheel chocks. Find a later low resistance secondary transformer which will deliver desires plate voltage using a voltage doubler circuit. Better performance from less heft. Old ssb amplifiers built like AM transmitters are mostly turkeys.
