gres
Full Member level 4
Power
I used tranformer from Philips FR986 ( STK496-270 chip has burned), voltage from it is about 28,5V AC that gives 41V DC. To rectify i used 10A bridge, and condensers with summary capacity 18,400uF per each branch.
Endings:
Avt2153 kit without any changes
I didin't make boards, just buy them because i wanted to avoid mistakes - i don't have laser jet.
Casing:
As a casing I used leftovers from yamaha amplifier
Amplifier was without main board so there was no chance to reanimate it.
Preamplifier:
Is a stereophonic active regulator of tone color by NORD ELEKTRONIK NE092. it's based on TL084 amplifier.
To regulate sound level we have ALPS 2x 100kb.
Preamplifier is rebuilt so we have possibility to adjust only low and high tones. Also low tones regulator was upgraded
Cables from preamplifier potentiometers don't take any "garbage"
Cables that goes from power amp to DC secure system has been exchanged to 2x2,5mm
Diode at sound level scoop don't flash as light as you can see at the pictures.
Front panel has been painted so you can't see metal.
Future plans:
- exchange TDA7294 to Holton200
- exchange preamplifier
- Exchnge transformer
- make signal source switcher.
Text comes from https://www.elektroda.pl/rtvforum/topic1519351.html?sid=8e412ba22759b2e075a19eaababb08a0
