LS57 bare board (6X4/EL84/12AU7)
$21.00
LS57 bare board special version for Diyclub<(6X4,EL84,12AU7)
2.4mm thick gold plated fiber glass PCB with 2oz copper.
High voltage section using 6X4, EL84, 12AU7.
Two heater regulator 6.3V~ 12.6VDC adjustable using LM317.
Related products
-
LSDY Tube Regulator
$60.00Add to cartLSDY Tube Rectifier and Tube Regulator Circuit modified from ARC regulator, uses 6Z4 for rectifier, 12AT7 & 12B4A for regulator. B+ is adjustable from 150V ~ 340V, with one heater output selectable for 6.3VDC or 12..6V DC. double side gold plated PCB board size: L 222mm X W 128mm (tubes, case and power transformer not …
-
LS57 Special Version for DIYCLUB
$107.00Add to cartLS57 Special Version for DIYCLUB • High voltage section using 6X4, 12AU7, EL84 • 6X4 for rectifier • 12AU7, EL84 tube as reference • Two heater regulator 6.3V~ 12.6VDC adjustable using LM317. • 2.4mm thick gold plated fiber glass PCB with 2oz copper. • board size: L 230mm X W 125mm (tubes, case and power …
-
LS9D assembled and tested
$66.00Add to cartLS9D assembled and tested Tube rectify and tube regular?using 6Z4,12AT7,12B4A ,B+ adjustable from 150V ~ 340V,with two heater output 6.3VDC or 12..6V DC selected,double side gold plated PCB board size: L 230mm X W 125mm (tubes, case and power transformer not included) Available Options: power transform: Matching R-type transformer (+US$36)
