Just built TU-8600S could really use help troubleshooting

[BigBand]

Hello, I just completed my TU-8600S with TKS volume and Lundahl transformers.

I have 2 problems,

1, at startup there are loud static pops unrelated to where the volume is set, this diminishes as the amp warms up.

2, the audio volume is very low and sound quality is poor.

I have disassembled the amp and carefully rechecked solder joints and have checked and recorded voltage check points. Please see below.

This is my 3rd Elekit project and the first time I have had any issues, I also noticed that while the tubes are glowing they are not very warm compared to my other amp and preamp.

Any assistance would be greatly appreciated.

TP1 .32V
TP2 .31V
TP3 25.0V
TP4 27.9V
TP5 0V
TP6 0V
TP7 3.27V
TP8 3.16V
TP9 55V
TP10 61.5V
TP11 70V
TP12 74.3V
TP13 103.7V
TP14 28.7V
TP15 -97.4V
TP16 -97.8V
TP17 -98.3V
TP18 -98V
TP19 107.4V
TP20 111V
TP21 5.14V
TP22 5.1V
TP23 107.5V
TP24 111V
TP25 0V
TP26 0V
TP27 304.7V
TP28 301.1V
TP29 414V
TP30 414V
TP31 -101.3V
TP32 165V
TP33 12.6V
TP34 61.5VAC
TP35 6.62VAC
TP36 6.62VAC
TP37 12.9VAC
TP38 305VAC

 

[vkung]

send your phone number to my email/ info@vkmusic.ca

 

[BigBand]

The amp is working perfectly changed the 300B tubes and all noise and voltage issues where gone.

 

[vkung]

that is good..