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The PS-21 holds one high-voltage regulator and two low-voltage regulators. The high-voltage regulator holds the same circuit as the PS-1 and the two low-voltage regulators are similar to the H-PS-1 circuit, but differ in that the rectifier circuit cannot be configured as a voltage doubler.
Aikido Noval Stereo
This is a major new revision of the old Aikido stereo noval PCB, Rev. E. The PCB color is now red, but the real difference is found in two major changes: each channel's B+ RC filter is made up of pure polypropylene (no electrolytic) capacitance and each channel requires its own separate heater power supply.

Reasons to shop from us

E-mail from GlassWare Customers:

Hi John,

I received the Aikido PCB today - thank you for the first rate shipping speed.

Wanted to let you know that this is simply the best PCB I have had in my hands, bar none. The quality is fabulous, and your documentation is superb. I know you do this because you love audio, but I think your price of $39 is a bit of a giveaway! I'm sure you could charge double and still have happy customers.

Looking forward to building the Aikido, will send some comments when I'm done!

Thank you, regards, Gary.


Mr Broskie,

I bought an Aikido stereo linestage kit from you some days ago, and I received it just this Monday. I have a few things to say about it.. Firstly, I'm extremely impressed at the quality of what I've been sent. In fact, this is the highest quality kit I've seen anywhere, of anything. I have no idea how you managed to fit all this stuff in under what I paid for it. Second, your shipping was lightning-quick. Just more satisfaction in the bag, there. I wish everyone did business like you.

Sean H.