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Regulated HV Variable Power Supply Printed Circuit Board, High Voltage, Tube Amp

Condition:
Brand New
4 available / 114 sold
Price:
US $13.50
ApproximatelyAU $20.30
This one's trending. 114 have already sold.
Be the change. All net proceeds from this sale go to charity.
Postage:
US $5.00 (approx. AU $7.52) Standard postage. See detailsfor delivery
Located in: Bloomfield, New York, United States
Delivery:
Estimated between Thu, 20 Jun and Tue, 25 Jun to 43230
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the postage service selected, the seller's postage history, and other factors. Delivery times may vary, especially during peak periods.
Payments:
     

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Seller information

Registered as a business seller
Seller assumes all responsibility for this listing.
eBay item number:203213043365
Last updated on 07 Jun, 2024 09:28:03 AESTView all revisionsView all revisions

All net proceeds will support Antique Wireless Association

The Antique Wireless Association exists to preserve and to share the history of the technologies used to communicate.
  • Official eBay for Charity listing. Learn more
  • This sale benefits a verified non-profit partner.

Item specifics

Condition
Brand New
Brand
Homebuilt
MPN
Does Not Apply

Item description from the seller

awa_surplus_sales

awa_surplus_sales

100% positive Feedback
1.4K items sold
Joined May 2019
Usually responds within 24 hours

Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable postage costs
4.8
Postage speed
4.9
Communication
4.9

Seller Feedback (520)

1***g (401)- Feedback left by buyer.
Past 6 months
Verified purchase
Excellent delivery time, item as described, very pleased with the purchase and the seller as well, Excellent communication with the seller, very kind, knowledgeable and helpful. Highly recommended, and I will continue my support.
-***- (39)- Feedback left by buyer.
Past year
Verified purchase
Nothing to complain about in the transaction; description, price, shipping, etc. However, the circuit design is crude. Once assembled it functioned as expected, but the hazard is in the lack of output over-voltage regulation. I smoked a string of new HV capacitors because the circuit went unregulated from an adjusted 90Vdc @ 12-20mA to just over 300Vdc when the current pass transistor (TIP50) shorted. Beware! Not the seller's bad, just a limitation in the design.
y***1 (755)- Feedback left by buyer.
Past year
Verified purchase
THESE WORK GOOD, AND EASY TO BUILD.
See all Feedback