Philips 12AX7 / ECC83 Top Ring Getter Black Plate Amplitrex Tested Qty 1 Pc

Philips 12AX7 / ECC83 — Vintage Black Plate Single

Rare Black Plate Construction
Top Ring Getter
Holographic Soundstage
Amplitrex AT1000 Verified

Up for sale is a single (1 piece) premium Philips 12AX7 / ECC83 vintage vacuum tube. This unit features the highly coveted Black Plate internal structure and a Top Ring Getter, renowned for providing a lush, detailed audio profile and legendary European reliability.

This tube has been rigorously tested on a professional Amplitrex AT1000 analyzer. Testing results show exceptional emission and mutual conductance levels, easily meeting the criteria for our Gold Grade selection.

Serial No.	Test Triode	Parameter Ip mAdc	Result Ip mAdc	% Ip	Parameter Gm uMhos	Result Gm uMhos	% Gm
#1179001	T1	1.2	1.2	100.0%	1600	1910	119.3%
	T2	1.2	1.3	108.3%	1600	2110	131.8%

Technical Note: Percentage calculations are based on original factory New Old Stock (NOS) ratings of 1.2mA for Plate Current (Ip) and 1600 uMhos for Mutual Conductance (Gm).

International Shipping: Buyers are responsible for all import duties, taxes, and VAT applicable in their respective countries.