$27.5 Buy It Now or Best Offer
free,30-Day Returns
Seller Store tito_de_taboada
(4406) 100.0%,
Location: Santes
Ships to: US,
Item: 256423642556
All returns accepted:ReturnsNotAccepted
Heathkit:Heathkit
SB-220/221 & HL-2200:SB-220/221 & HL-2200
Type:Rectifier & metering interface
Normal 0 21 false false false FR X-NONE X-NONE MicrosoftInternetExplorer4 Rectifier and Metering Resistor Circuit Board for the Heathkit SB-220/221 & *HL-2200 It is a replacement rectifier/metering board for the Heathkit SB-220 -SB-221 & *HL-2200. The board is fully wired and also includes several components to protect the meters and other parts in the event of an internal arc or short circuit of a tube. This board does NOT INCLUDE a zener diode for biasing. You must use the original zener diode installed in the amplifier. The high voltage rectifier diodes are 1N5408s supporting 1000PIV @ 3Amp for each, i.e. 6000 V / 3 Amp for each branch. The 14 resistors measuring the high voltage have a value of 1 Megaohm 1% for a better accuracy of the HV meter. It features a new meter shunt resistors. As you can see on the pictures, a location is provided for C7 the 1nF-6KV capacitor that is normally “suspended” between the HV feedthrough and ground. The card installs in the same location as the original Heathkit card and the wire hole locations are the same and in the same relative positions so that the amplifier wires are compatible with the new card. This sale is for a fully equipped HIGH QUALITY board as shown. The parts list, schematics, and installation notes will be provided by download, in PDF format. This is not a kit. This is a fully assembled circuit board, ready to use. *on demand. Note: I can also make: – HV doubler rectifiers 3, 6, 10 Amps (up to 20 000V per branch) – HV Bridge rectifiers 3, 6, 10 Amps (up to 10 000V per branch) If you have any questions, please send me an email. ***When purchasing, you must specify which amp model is intended*** !!Best Price on eBay!! Sent carefully packed via Priority international Flat Rate Envelope with Tracking. I ship worldwide E-MAIL If you have any question, don’t hesitate to ask me. THANKS for your interest on this item! Note: After a bad experience, I like to remind you as: I Shipping via Priority International Flat Rate Envelope, in order to provide a delivery time, not too long. I sent no later than 5 working days after payment. ***France is not the next door*** Transit time can be up 4 to 6 weeks, (!! Be patient !!). I do the maximum in terms of product quality, shipping, and packaging, for everyone to be happy. ***I aspire to have 100% positive feedback*** So I would advise to “impatient people” do not buy if you do not agree with these simple principles, !!! Remember purchase is not compulsory !!! Thank you *** to take into account these observations **** And most importantly, thank you very much for almost 4000 buyers were satisfied.
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