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Tungsram ECC81 / 12AT7 NOS Single Tube

NOS Single New In White Box Grey Plate Large Ring Getter

Offering a high-performance New Old Stock (NOS) Tungsram ECC81 (12AT7) dual triode, Serial No. 4895001. This authentic Hungarian-manufactured valve features Grey Plates, Double Mica construction for superior stability, and a Large Ring Getter. The unit is housed in a clean white protective box and has been laboratory tested on the Amplitrex AT1000.

Type: ECC81 / 12AT7 Brand: Tungsram
Condition: NOS in White Box Construction: Grey Plate / Large Ring Getter / Double Mica
Origin: Made in Hungary Testing: Amplitrex AT1000

Laboratory Characterization: Tested against factory reference parameters.. Performance: This tube displays exceptionally high plate current results, testing well above standard reference levels.

⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.

Sr. No.	Triode	Parameter Ip (mA)	Result Ip (mAdc)	Percentage Ip	Parameter Gm (uMhos)	Result Gm (uMhos)	Percentage Gm	RP ohms	Mu (μ)
4895001	T1	10.0	28.0	280%	5500	4210	76%	5.0K	21.0
4895001	T2	10.0	32.4	324%	5500	4750	86%	5.0K	23.7

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