1 x NOS Philips Dario Miniwatt ECC82 - 12AU7 Test STRONG & BALANCED Vacuum Tube


$22.4 $32

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NOS PHILIPS DARIO MINIWATT
ECC82 - 12AU7
Price is for 1 NOS, tested and perfectly matched and balanced tube. This here is version from the 1960s. Construction with O-getter, copper grid posts, long ribbed plates and etched codes of Philips Heerlen plant - 5A4.
Tested with BALANCED triode systems as follow:
Ia1 = 10.5 mA | S1 = 2.1 mA/V | Ri1 = 7.7 kOhm | μ1 = 16.2
Ia2 = 10.6 mA | S2 = 2.0 mA/V | Ri2 = 7.9 kOhm | μ2 = 15.8
Test under: Uf = 12.6V | Ua = 250V | Ug = -8.5V  Good starts from Ia=8.00mA and S=1.40mA/V
Extremely good testing and high-quality tube!
Shipping will be Airmail registered with tracing number. Other shipping     methods available on request.

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