[mica]

How can i tell if I need both "mods" on my kit before assembly?

[beatnik]

Does anybody have the schematics and project documents for this project ?

The links appear to be dead

[beatnik]

I have acquired an unfinished stereo kit from another forum member

After sorting out the eq section  I am now looking to get the makeup amp boards working

Has anybody successfully used the Helios inspired makeup amps ?

What sort of transformer ratio would you recommend for input and output transformers ?

Helios thread

Started by « 1 2 ... 12 13 » The Lab

Preamplifier's universal input board building info/support

Started by Igor « 1 2 3 » Preamplifiers

Hairball Audio: 1176 Stereo Linking PCBs Support Thread

Started by Hairball Audio « 1 2 ... 10 11 » Dynamic Processors

DIY Hell..S.... EQ? Phaeton Son Of Hellios! FIRE!!!Let's do it!

Started by Igor « 1 2 3 4 5 » The Lab