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| Why so expensive? BK Precision 1743B Power Supply |
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| Omega Glory:
I recently acquired a used BK Precision 1743B Power Supply on Ebay for about $125. It's a 0-35V 0-6A single output power supply. After checking BK's website, I discovered that this unit is priced at $690 new, and includes a 2 year warranty. I was shocked to see this price, and I'm wondering why it happens to be so very expensive. For example, for about $145, one can get a KORAD KA3005P, which has similar voltage and current capabilities, and more sophisticated controls, (it also comes with a 2 year warranty). So what's going on here? Are you paying an extra $545 for the name brand and build quality? Or perhaps its something more subtle, like voltage ripple. Any thoughts? Product Links: BK Precision 1743B: https://www.bkprecision.com/products/power-supplies/1743B KORAD KA3005P: https://www.amazon.com/KORAD-KA3005P-Programmable-Precision-Adjustable/dp/B0085QLNFM?th=1 |
| BeBuLamar:
I don't know. The unit doesn't look expensive. Since you have the unit where did BK make them? It doesn't look like a USA model. |
| Wrenches of Death:
I bought mine new from Amazon back in September of 2019. Amazon was selling them at the time for $117.64 with free shipping. It's been a good power supply and I have zero complaints. A friend of mine bought one a couple of days later for a similar price. One quick warning though. The "short" button for setting the current settings should NEVER be used if you are using the supply to charge batteries. Especially large ones. My friend melted some internal wiring and fried the short switch. Use an external inline rectifier if you are using any adjustable "lab" type power supply to charge batteries. WoD |
| Omega Glory:
Hmm, all right. Even looking at Digikey or Mouser, I still see this thing selling for many hundreds. Maybe I'll do a teardown and see if I can spot anything expensive, lol. I'll post pictures if I do. |
| BeBuLamar:
Can you tell me where BK Precision made the unit? |
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