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12SN7GT Sperry Gyroscope special production audiophile tubes 1959 black plates

Preservation Audio and Sound
(698)
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US $300.00
as low as $26.93/mo with
Condition:
New
2 available1 sold
Other people bought this. 1 has already sold.
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Shipping:
US $4.99 USPS Ground Advantage®.
Located in: Eugene, Oregon, United States
Delivery:
Estimated between Sat, Nov 8 and Thu, Nov 13 to 94104
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Returns:
Seller does not accept returns.
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eBay item number:146396294817
Last updated on Oct 16, 2025 19:20:35 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Country of Origin
United States
Brand
Sperry Gyroscope Co
Type
Vacuum Tube
Model
12SN7GT
MPN
SPL 823431
Category

Item description from the seller

About this seller

Preservation Audio and Sound

100% positive feedback•942 items sold

Joined Aug 2002
High Quality Audio Products from my collection of vintage components. I am a Musician and Sound engineer, I hand make and design Custom Amplifiers and other Audio devices. All my products for sale ...
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Seller feedback (456)

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  • 6***b (29)- Feedback left by buyer.
    Past year
    Verified purchase
    Absolutely a great person to do business with. He has great knowledge and experiences. Very prompt with shipping and answering any and all questions. Will never hesitate doing business with this seller.
    1955 GE / Ken Rad 12AU7 matched PAIR tubes Holy Grail for Prima Luna Preamp (#143926866640)
  • u***e (113)- Feedback left by buyer.
    Past year
    Verified purchase
    Very knowledgeable and helpful throughout the transaction. Just as described and gave the all tube system more guts and the bass it was lacking. Can't go wrong ordering from this seller. One of the people who makes this site worthwhile. Ordered twice so I could have spares.
    1955 GE / Ken Rad 12AU7 matched PAIR tubes Holy Grail for Prima Luna Preamp (#143926866640)
  • z***s (352)- Feedback left by buyer.
    Past year
    Verified purchase
    Excellent transaction, great communication. Tubes were packed very well! Great sounding tubes!!!
    1955 GE / Ken Rad 12AU7 matched PAIR tubes Holy Grail for Prima Luna Preamp (#143926866640)
See all feedback

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