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 "the path of least resistance is through a vacuum"

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Vacuum Tube Audio PH16-X 2016

these photos document a recent 2016 build of a PH16-X phono preamp



top view of power supply

bottom view of power supply

top view of main PCB

bottom view of main PCB with two jumpers added

bottom of chassis showing drill holes for transformers

inside of chassis with transformers mounted

PCBs on top of chassis showing how they will be mounted inside

top side of top panel

bottom side of top panel

wiring under top panel

inside of chassis with wires from transformers (these need to be about 11" long, too short here)

top panel on chassis for wiring to transformers

inside wiring (white is 120vac, blue is 12vac filaments, red is 230vac HV)

closeup of inside wiring

heat sinks added to TIP50s

finished phono preamp

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 tubes 4 hifi
 "the path of least resistance is through a vacuum"