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PA521 for Dynaco ST70 Power Transformer 120/240V Dual V

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Price:US $163.95Buy It NowBuy It NowBuy It Now
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Item number:200397408424
Item location:Chicago, IL, United States
Ships to:Worldwide
Payments:
PayPal, Visa/MasterCard, Amex, Discover See details
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 Description Shipping and payments
Last updated on 11:48:18 AM PDT, Oct 22, 2009 View all revisions
New unit made in Chicago,USA by transformer professionals with decades of experience manufacturing high voltage transformers.

Improved replacement 240/120 volt dual primary export power transformer for Dynaco ST70. Heavier construction, runs cooler, gives better regulation, won't buzz & hum like some originals do. Bolts in to ST70. No modifications required, wires have identical color coding as the original unit. Extra long telfon insulated (instead of cheaper PVC) leads.

Also could be used to make a 70-90W mono power amp (depending on output tubes & rectifier) using the MQ-451-CL output transformer. Secondary B+ winding is 720VCT (360-0-360) at 300 ma with 55V bias tap, plus two 6.3VCT 5 amps & one 5V 4 amp tube filament & rectifier windings, and 55V bias tap.. Can use solid state rectifiers or any single tube rectifier with filament up to 5V at 4 amps (or 2 5AR4/GZ34 could be used in parallel) & sufficient B+ current rating....usually, 5AR4 or 5U4. (note, watch that the voltage isn't above capacitor ratings if solid-state rectifier is used!) Primary 240VAC or 120VAC 50/60 Hz. Mounts in 2 5/8 by 3 1/2 inch (67 X 90 mm) hole, mounting bolt pattern is 3 X 3 3/4 inches (77 X 96 mm). Nice long teflon insulated leads.

Transformer carries manufacturer's 6 month exchange warranty on materials & workmanship.

Ships from zip 60634. Illinois Residents must pay sales tax. Buyer must respond within 5 days of auction ending. Transactions not completed in 30 days will be resold. Ask any questions before you bid, once you bid you agree to all terms of the auction. Please check our other auctions Member has an eBay StoreTriode Electronics.  For Tubes and Parts - Check Us Out! Triode Electronics 5633 W. Irving Park Rd. Chicago, IL 60634 Thanks for Looking... Ph 773-427-8823 fax 773-327-5652

Export sales outside the USA only to countries where postal insurance is available. (yes, that includes Canada) We will only ship these outside the USA by air shipping, if you are outside the USA please see shipping calculator below or contact us for a shipping quote before bidding.

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00095
Domestic handling time
Sales tax
Will usually ship within 3 business days of receiving cleared payment.
Seller charges sales tax for items shipped to: IL(10.25%) .
Return policy
Item must be returned within
Refund will be given as
Return policy details
30 days after the buyer receives it
Exchange
Transformers are covered by manufactuer, for manufacturing defects, for 30 days. Must be returned in original or similar packing at buyers expense.
The buyer is responsible for return shipping costs.

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Seller's payment instructions
We accept major credit cards, and ship ground with UPS, & USPS (USPS only for overseas, POBox). Have your Item description, Ebay number, and shipping/payment/email info when you call to: Triode Electronics 5633 W. Irving Park Rd, Chicago IL 60634. Ph 773-427-8823 10AM-5PM Central Time Mon-T-T-Fri. Thanks.
Seller assumes all responsibility for this listing.
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