{"product_id":"newest-6j1-tube-preamp-amplifier-board-pre-amp-headphone-amp-6j1-valve-prea","title":"Newest 6J1 tube preamp amplifier board Pre-amp Headphone amp 6J1 valve prea","description":"\u003cp\u003eITEM NAME:Newest 6J1 tube preamp amplifier board Pre-amp Headphone amp 6J1 valve prea E8J4 Newest 6J1 tube preamp amplifier board Pre-amp Headphone amp 6J1 valve prea E8J4 100%Brand New and High Quality Power input: AC 12V 1A 5.5*2.5 PLUG Channle: 2.0\/ stereo Potentiometer Role: Volume adjustment + Power Switch FE-6J1-2 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D,to be rational optimization,more stable performance than the original machine,tube play 10% increase. This board uses a single 12V AC input,the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage. Power works: an open power tube filament heating is started,when the boost from the zero-voltage start boosting hot filament tube,etc.,also happens to boost boosting finish,so this is the same with the guts rectification,8*470UF the capacitor filter very clean,good power supply system will not have a hum,the filament is 12V DC power supply,need two filament tube is connected in series with a DC filament also in order to reduce the noise. Color as shown Material: plastic + metal SIZE: 77MM * 75MM * 52MM Package Contents: 1* 6J1 tube preamp amplifier board 1* Transparent shell parts 1* Instruction manual 1* Screw package Note: This is Diy Kits. you need do it yourself. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.\u003c\/p\u003e","brand":"Shop2IndiaBei","offers":[{"title":"Default Title","offer_id":43030495428776,"sku":"U2I-2-254392633659","price":7568.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/1588\/1354\/products\/s-l2000__42009_ecd2caac-bb07-4912-b6a9-c1d954e42910.jpg?v=1672561270","url":"https:\/\/shop2india.com\/products\/newest-6j1-tube-preamp-amplifier-board-pre-amp-headphone-amp-6j1-valve-prea","provider":"SHOP2INDIA GATEWAY","version":"1.0","type":"link"}