One (1) Eimac SK-500 (4X1000A) Vacuum Tube Socket Air-System For HIGH-POWER heat

Radio Electric Supply
(4393)
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US $229.95
or Best Offer
as low as $39.90/mo with
Condition:
not specified
Breathe easy. Returns accepted.
People are checking this out. 8 have added this to their watchlist.
Shipping:
US $13.45 USPS Priority Mail®.
Located in: La Crosse, Florida, United States
Delivery:
Estimated between Wed, Nov 19 and Sat, Nov 22 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
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eBay item number:174266213046
Last updated on Oct 29, 2025 14:12:55 PDTView all revisionsView all revisions

Item specifics

Country of Origin
United States
Model
SK-500
Brand
Eimac
Type
Tube Socket
UPC
Does not apply
Category

Item description from the seller

About this seller

Radio Electric Supply

100% positive feedback•17K items sold

Joined Mar 1998
Vacuumtubesdotnet is the largest supplier of NOS tubes in the world. We have been in business for over 40 years and have over 10,000,000 NOS tubes in stock including 8000 different tube numbers. ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.9
Shipping speed
5.0
Communication
4.9

Popular categories from this store

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Vacuum Tubes, GeneralIndustrialSupplies and AccessoriesOther

Seller feedback (4,501)

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  • s***1 (2783)- Feedback left by buyer.
    Past month
    Verified purchase
    Fast shipping, well packaged. Good deal, excellent seller. I've added the diagram and I'm still looking for one last tube. It is circled on the picture. If you find one, please let me know... Thank you, I appreciate it.
    12SJ7 VACUUM TUBE (1), US MANUFACTURERS, NOS TESTING STRONG (#174151058966)
  • u***a (394)- Feedback left by buyer.
    Past month
    Verified purchase
    all good here, item was packed well, arrived early, and was exactly as described. Thank you so much for the good value!
    ONE (1) TUNG-SOL 12BE6 VACUUM TUBE NOS NIB ORIGINAL BOX HICKOK TESTED SHARP!! (#174276283496)
  • p***s (1792)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    item described accurately, packed carefully, & shipped promptly; excellent transaction ! Thanks !!!
    6H6GT JAN Sylvania (RCA MADE) Vacuum Tube NOS NIB Tested Strong (More Available) (#172937464321)
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