Elekit TU-8550 Tube Preamp with Phono Amp KitElekit TU 8550 Kit. Tubes are not included. For specifications please see this page.

Versatile Replace the pi resistors with inductors (not included) for CLC filtering

The PEM is compatible with 5mm X 20mm cartridge fuses

It only has one surface mount part

its resistors are mounted vertically to save PCB area

TUCSON: An IC opamp circuit using a highly regarded JFET-input chip from Burr Brown

Dimensions 253mm x 76mm Mounting holes UMS Heatsink Compatible Layers 2 Board Revision 2

Installation

Opamp Rolling

when selecting an operating point and load line

Nelson Pass: "Static Induction Transistors

There's a reason Quad Eutectic is considered the best in audio

the two power FETs and the low current LED