{"product_id":"1pc-vacuum-tube-converter-adapte-8pin-to-4pin-4pin-to-8pin-tin-plated-for-5z3-to-274b-vacuum-tube-hifi-guitar-audio-amplifier","title":"1pc Vacuum Tube Converter Adapte 8pin to 4pin 4pin to 8pin Tin plated for 5Z3 to 274B Vacuum tube HiFi Guitar audio amplifier","description":"\u003cp\u003eA tin-plated tube base converter\/adapter for cross-compatibility between 8-pin and 4-pin tube sockets, letting you run a 5Z3 in a socket wired for a 274B (or vice versa) without rewiring the chassis. A handy way to experiment with tube substitutions on hi-fi and guitar amp rectifier stages without committing to a permanent socket change.\u003c\/p\u003e\u003cp\u003eSolidly built pins and a tight socket fit keep the connection reliable under the heat and vibration of normal amp use. A go-to part for tube rollers and amp techs who want flexibility across different rectifier tube families.\u003c\/p\u003e","brand":"Big River Hardware","offers":[{"title":"8Pin to 4Pin","offer_id":50735458910514,"sku":"4000061531291-8Pin to 4Pin","price":15.99,"currency_code":"USD","in_stock":true},{"title":"4Pin to 8Pin","offer_id":50735458943282,"sku":"4000061531291-4Pin to 8Pin","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/5097\/2245\/files\/Sc17fe3d9772c434492ba2f962626329eI.webp?v=1774228834","url":"https:\/\/bigriverhardware.com\/products\/1pc-vacuum-tube-converter-adapte-8pin-to-4pin-4pin-to-8pin-tin-plated-for-5z3-to-274b-vacuum-tube-hifi-guitar-audio-amplifier","provider":"Big River Hardware","version":"1.0","type":"link"}