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Buy 2 pieces, 4 pieces, 8 pieces = exact matching (matching group). No parameter drift
Regarding matching, all our tubes are matched in the factory production workshop. The match is accurate (not all tubes are matched). We have the conditions and advantages to match multiple tubes (four, eight, ten) according to customer needs. The parameters of the two tubes are the same)
Direct heating cathode high μ transistor 572B, in wireless
Play the role of oscillation and power amplification in the electrical device.
Shipped after rigorous testing. high-quality product
Note: (After receiving the tube, please do not think it is a fake or shoddy product).
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