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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 match). 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)
Russia GOLD LION 300B/PX300B electronic tube dynamic, excellent texture, gorgeous quality and stable quality
High-quality products. Precise matching.
Note: (After receiving the tube, please do not think it is a fake or shoddy product).