Aloha kou hoa aloha! Check this new headphone amp from Grace Designs. I don't know much about this headphone amp but I do know about Grace Designs. They're known for high end microphone preamps so you know they know their stuff. Check it out. http://www.gracedesign.com/products/901/901frame.htm

If you're into recording then you know of the name Studer. Well they make the Rolls Royce of 24 track analog recorders among other state-of-the art / world class pro recording gear. So now that you know a little about them, check out their new DSP for headphones called the BRS Processor...

Aloha, I just bought a DSP Pro from Vertigo but it did not come with the manual. Does anyone out there have a manual they might want to part with or maybe make a copy and send it to me? I only need info on how to set it up for optimum performance and discription/function for all the buttons. I...

Aloha, I just bought a DSP Pro from Vertigo but it did not come with the manual. Does anyone out there have a manual they might want to part with or maybe make a copy and send it to me? I only need info on how to set it up for optimum performance and discription/function for all the buttons. I...

Finally!!!! Here are pictures of my DIY portable rig. I would like to thank Cmoy, Apheared, JMT and others for helping me build this awsome sounding headphone amp. Also I would like to thank my friend Brad Goda for taking these colorful pictures...

Aloha, I just changed the power supply electrolytic capacitors in my apheared/cmoy amp from the 220uf to 1000uf. JMT was my inspiration in doing this mod, my first. I was surprised how much it changed the sound, the low end in particular. The 1000uf cap gave the low end a noticable boost, a...

Aloha, I'm planning on building the Meier Bass-Enhanced Natural Crossfeed Filter and the schematic calls for a 200nf and a 47nf capacitor. What is the equivilent of these two capacitors in "uf"? Thanks for your help.

I haven't seen any post by cmoy, I'm just wondering if he's still involved in this site? It would be a shame if he totally withdrew for whatever circumstances. He is the founder of this community, we can't just forget all he did for us. I hope to see you around cmoy! Chu Moy, I'm glad to see...

Aloha! It's so nice to see all your names again. Thanks to all for keeping this forum alive. I will be posting pics of my portable rig soon.