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SYLVANIA 5814 & 6189 ASSORTED RARE SELECTION

SYLVANIA 5814 / 6189 / 12AU7 ASSORTED RARE SELECTION
Here is the real "hard to find" stuff :



SYLVANIA 5814 Triple Mica Black Ribbed Plates with Square Getter
An extremely rare one from early 1950's. Our stock tubes are mostly labeled for Heintz and Kaufman. Some have their labels missing, but all are NOS. Their construction is quite unique with the third mica elevated quite bit higher on the top of the second one. If you're after a classic warm sound with good soundstage, these would be a good choice.

Quantity in Stock : 14 pcs
Price : Grade A @ US$29,00/ea; US$60,00/matched pair
          Grade B @ US$22,00/ea; US$46,00/matched pair
         
          Grade C @ US$14,00/ea; US$30,00/matched pair
 
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SYLVANIA 6189 Triple Mica Black Ribbed Plates with Square Getter
Another extremely rare one from early 1950's. These have identical construction to the 5814's above. Our stock is very low and labels vary. If you're after a classic warm sound with good soundstage, these would be a good choice.
 
Quantity in Stock : Out of Stock!
Price : Grade A @ US$29,00/ea; US$60,00/matched pair
          Grade B @ US$22,00/ea; US$46,00/matched pair
         
          Grade C @ US$14,00/ea; US$30,00/matched pair

 
 

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SYLVANIA JHS 12AU7 1950's Black Plates with Square-Getter
These might be as rare as the above. Only 5 pcs in stock. They have black ribbed plates but with center pinch.

Quantity in Stock : 5 pcs
Price : Grade A @ US$18,00/ea; US$38,00/matched pair
          Grade B @ US$15,00/ea; US$32,00/matched pair


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SYLVANIA JHS 12AU7 1950's Gray Plates with Square-Getter
Similar structure to the above Black Plate type. These have gray ribbed plates with center pinch.

Quantity in Stock : 7 pcs
Price : Grade A @ US$16,00/ea;  US$34,00/matched pair
          Grade B @ US$12,00/ea; US$26,00/matched pair


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SYLVANIA 6189/12AU7WA GOLD BRAND Triple Mica Gray Plates
Cool stuff! Very rare find too. These gems have identical structure to the 5814 TMGP but with more liquidity and insight to the music. The 4 tubes in stock have identical serial numbers : 62-D and excellent test scores! All Grade-A!!

Quantity in Stock : Out of Stock!
Price : Grade A @ US$29,00/ea; US$60,00/matched pair



 

 
Grade A - The best in the stock. Lowest noise and microphony with the tightest balanced sections we have available. This is typically 10% or often tighter given the large volumes of our stock.
 
Grade B - Low noise and microphonics with a section balance typically between 15% and 20%, but may be higher depending on available stock.
 
Grade C - Lowest noise but slightly microphonic. Section balance will be similar to Grade A or B. This grade is only suitable for use in the driver stage of an amplifier, or the output/buffer stage of a DAC or CD Player.




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