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Hi all , After, a few pleasant experiences, with valves, decided to build, a new audio PP amplifier, more powerful, and with better, THD under 0,3%, P=50W, Raa=6k6, Bf=10Hz ..... 100Khz and power supply HV=+500V , schematic attached . Also new design of cabinet, and quality components like...

Hi all, after few years a new PCB it's alive ...... Best regards, Alex

Hi, Thank you for comments, schematic attached ! Regards,Alex

This amplifier it's an 100Watt /8 Ohm high performance amplifier with very low distorsion 0.0003% , +/-50V rail supply . I have built and tested today , nice clear sound ,great soundstage , bass,crystal high an so on .I invest a lot of money but I'm happy with sound .I have a pair of Taga...

I wish to present you my latest artwork PCB for subwoofer amplifier P=150W/ 8 Ohm . I need a Q.C. check if schematic , mach PCB . If everything it's OK i will post PCB in black and white :) until than few files .....enjoy... Regards Alex.

second Goldmund amplifier Hi all , And now will be finish soon the second Goldmund Mimesis 9.2

Hi all, I have layout the second PCB for MKIII DX amplifier , just for fun ....

Hi radio , No I have not make any mesurements regarding preamplifier but the sound it's what i like to hear ! yes you right it's an valve sound , warm , dinamic ....... I dont know any link to IOTA -CD of Dr. BORA J. but I have something saved in my computer .

.... bottom side pictures .... bottom side

Amplifier allready buit ...... .....over the night was aseambled .......pice by pice ? :) More pictures below

Hi all , Tubes preamplifier ,without final stage it's not posible ,to hear music at right level ,so I present somes pictures of my tubes amplifier :D :D :D Regards Alex.

My boards are ready to be mounted ......... ;)

Hi all , My first tube preamplifier , was build few months ago and I'm very pleased how it sound . Schematic diagram and PCB designed by Dr.Bora Jagodic .;) Alex.