EA PAS Upgrade Kits Forum

I installed the loudness control in my Aikido equipped PAS. Very nice bump in bass and treble at low volume. It works well with the Aikido as they have no tone controls and this adds a little extra sauce when needed. Used Front Panel Express to design a new front panel, which is already being updat...

I would think that here may be an issue with your volume/balance control wiring, as it sounds like you are experiencing similar issues with both. My suggestion is to go through your wiring again step by step, concentrating around the volume/balance controls. Take your time, don't take anything for g...

looking really good, a really nice build!

looking great, excellent work!

Hi all, I have added pcb dimensions for all the PAS upgrade kits pcb. As some of you may have realized, you can use our PAS upgrade kits for ANY non PAS chassis builds. With other words, you can use these kits to build your very own stand alone tube phono line or both preamp. So by knowing the pcb d...

yes it is. Same pcb size, connections and pretty much the same pcb layout.

the issue is space on the pcb. Most 'high end' caps are physically large, and just do not fit on the PAS pcb's. One possible option is AMTRANS, https://amtrans.asia/ a Japanese high end cap and resistor manufacturer. Most of their cap models are not ridiculously large yet offer a noticeable improvem...

Dynakit Parts has been selling new build chassis' for PAS, ST-70 and most other Dynaco amps.
https://www.dynakitparts.com/

connect the turntable ground cable to the chassis. Try and find a suitable spot where you can use an existing chassis screw to connect that ground wire to.

glad to hear that you are enjoying the Z-series PAS upgrade kits. Yes, they is no comparison to the original Dynaco circuits, like day and night. Not knocking the original Dynaco circuits, for the day and the quality of parts, compared to what is available these days, they were a very good performer...