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Herbie's Audio Lab makes the most of what you have

Posted by hifiman5@ptd.net (A) on October 7, 2015 at 04:32:14

I just completed a project to eliminate as much micro-vibration as possible from my system. I used a 1.6mm. grungebuster sheet to treat my SACD player, phono preamp, tube preamp and poweramp. One sheet! I started with the Marantz SA 8005 SACD player. This endeavor took about 2 1/2 hours. Time well spent. After opening the unit, I began to cut and place a self-adhesive small piece of grungebuster on every transistor, capacitor and resistor in the unit. I would estimate about 75 tiny pieces. This can be done even by "Butter-fingers" me with a tweazers and patience. I did the same to the other three pieces mentioned above. In the power amp I only treated the main circuit board as my amp runs pretty hot.

I emailed Steve after I did this to tell him about the great benefits realized by this project. Everything is cleaner and clearer. That nagging digital "glaze" that seemed ubiquitous is gone. Gone. Here's the thing... you know that electronic haze that reminds you that you're listening to reproduced music, well it is gone too. Unbelievable! Don't get me wrong, it is still not live musicians in my listening room, but it is so much closer to that ultimate sonic ideal.

So then I start thinking about my VPI Scout turntable. Steve recommends cone/spike puckies under the 4 cones and extra thick small grungebuster dots under the rubber feet of the outboard power supply. They come I install them, level everything out and start listening. Crazy stuff, this hobby of ours. The first revelation was how much more powerful the bass was and how the music had "jump" to it like never before. I played Spandau Ballet, clean and "true". Next Blood Sweat & Tears, Alison Kraus and Union Station and right now, John Coltrane's Giant Steps LP. Crazy. All of the aforementioned characteristics are there with every album so far.

My sincere thanks to Steve Herbelin for making such great products available at insanely reasonable prices. I truly felt guilty about what I got out of a $25 sheet of Grungebuster.

I just wanted to share the joy with others who might appreciate my glee. Thank God I retired recently and can arrange for extended listening sessions.

All the best!
"dimensional purity"

Edits: 10/07/15

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