JJ Vacuum ECC803S Upgrade ECC83 12AX7 ECC803 6N4 B759 CV4004 E83CC HIFI Audio Valve Electronic Tube Amplifier Kit Diy

Description Report Item Russian JJ ECC803S Vacuum Tube Upgrade 12AX7 ECC83 B759 ECC803 5751 7025 6N4 HIFI Audio Valve Electronic Tube Amplifier Diy JJ Gold Pins ECC802S, ECC803S production process structure: long screen! Pit screen! Screen with heat sink! Big Circle! JJ Gold Pins ECC802S and ECC803S standards: high gain, low noise, natural high-frequency, and rounded! Mid frequency thick and full! Low frequency and sturdy, powerful! The shape of the instrument and the emotional expression of the human voice are both good The Gold Pins series is more balanced. Will inject new life into all your devices and awaken the ultimate experience of music. No matter what music you play, it will surprise you. The shop promises: The electronic tubes operated by our store are guaranteed to be brand new and high-quality genuine products from the original factory, and we will provide free replacements for any quality problems within one year. All tubes are rigorously tested to match .Buy 2pcs = Precision matched pair. Buy 4pcs = Precision Matched Quad. We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs. The same parameters. It is a professional shockproof and firm package. It is absolutely safe. Note:It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).