Welcome to the world of DDDAC!
I started using this Blog-Site subdomain from dddac.com to blog my audio adventures 🙂 I will be starting to post here several topics and projects. As I have some projects done in the past, it will not be all very…
The DDDAC Mu-Follower Module
And how PCB capacitance spoiled the fist version… As you might have read, I am working on designing and building a tape head tube amplifier. For this you need quite some overall gain to overcome the gain losses in the…
Upgrading my CLEO 6 Tube preamplifier to CLEO 7
Introduction For many years now, I have been using Dick’s (Audio Creative) N30P Mu Stage Design. He called it the Cleo 6. It is a great double mono MU-Stage amplifier (see circuits) with top components. Over the years I started…
Cleo 7 Picture Gallery
Views: 73
DIY Warning – High Voltages
Somehow I feel, that this should not be necessary, but experience shows that this WARNING is absolutely needed over and over again… All my projects are working with high voltages. 230V AC mains or even over 500 Volt DC voltage…
Reel to Reel Taperecorder Equalization
As mentioned in the earlier PR99 blog, I wanted to design and build a universal tape head amplifier. Just for fun and to see what I could squeeze out of the magnetic source, avoiding the internal Revox electronics. Which sounds…
My new Revox PR99
Rediscovering Reel to Reel I recently re-discovered the joy of Reel to Reel music reproduction. I started with an old, somewhat refurbished 4 track NAB Revox B77 with 3.75 and 7.5 ips speed. I use this one for the simple…
Building your own Audio rack
Views: 201