lot 5881 PSVANE Vacuum Replace 5881A 350C 6L6GC 6P3P HIFI Audio Valve Electronic Tube Amplifier Kit DIY Matched Quad

5881 PSVANE 5881 Vacuum Tube Replaces 5881A 350C 6L6GC 6P3P HIFI Audio Valve Electronic Tube Amplifier Kit DIY Matched Quad About service warranty: The electronic tubes operated by our store are all brand-new high-quality genuine products of the original factory. We offer a 15-month warranty period from the date of purchase. Free replacement of any quality problems within one year. The factory strictly tests and matches all pipelines. Purchase 2 pieces = exact match. Buy 4 pieces = 4 pieces precision matching. We can match multiple tubes (four tubes and eight tubes) = the same parameters according to customer requirements. You can also provide pipeline parameters based on the customer. We will find the same pipeline for you. As long as there is a need, we can serve you until you are satisfied. About Packaging: We use multi-layer Pearl cotton and bubble bags. Shockproof reinforced packaging. This ensures the safe arrival of the product.