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NOS RCA Black Plate 6SL7GT Matched Triplet Hickok 274 USA Vacuum Tubes
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NOS RCA Black Plate 6SL7GT Matched Triplet Hickok 274 USA Vacuum Tubes

Starting price (see what it sold for on eBay ↗) $70.00 as of Jul 28, 2026
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Closes Aug 2 · 11:55 PM EST
Bid on eBay Buy It Now $91.00

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Past Vintage Parts & Accessories auctions
Condition Open box
Condition tiers New Used Refurbished Damaged Unspecified
Ships from ZIP 917**
nightdiverbill 327 ratings · 100.00% positive
Seller
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Description

From the seller
RCA black plates are prized by audiophiles and collectors for their warm, natural midrange, excellent detail, low noise, and exceptional reliability. These values are recorded exactly as written on the original storage boxes from Hickok testing.

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