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Original Message

REVIEW: Machina Dynamica Baby Promethean Mini Isolators Accessory

Posted by HiOnFi on November 30, 2015 at 14:38:46:

Model: Baby Promethean Mini Isolators
Category: Accessory
Suggested Retail Price: $13 each
Description: Vibration Control
Manufacturer URL: Machina Dynamica
Model Picture: View

Review by hionfi on November 30, 2015 at 14:38:46
IP Address: 73.49.221.105
Add Your Review
for the Baby Promethean Mini Isolators


I am a long time user of MD products, but haven't ordered anything in years. Recently had to send my preamp for repair and moved my Oppo 105 to my TV/video system. 105 was resting on a 3" thick John Boos cutting board. I tried several different iso devices, but none did what the springs do, not by a long shot.

I commented on another tread where someone was looking for a $1000 dac, and I recommended the 105 which is way more than a dac. One person commented that he didn't like the 105. I replied it could be his iso devices, interconnects, speaker cables...

The 105 is a heavy player. I played a wide variety of red book CDs, and was quite pleased using 4 springs near the corners, but looking for max benefit I began to move them around.

My music choice is a well recorded/ transferred red book CD: Lyle Lovett and his Large Band; cut 4- Good Intentions. Using 4 springs it has great open sound stage retrieving delicate information deep in the mix

Next, I moved 2 springs near the center of the laser spindle, then one centered. Each of the latter moves makes for a smoother sound, but a loss of slam, and sound stage depth

I then returned to 4 springs and the speed slam and sound stage depth returned

I haven't yet tried SACD, DVD-A, etc, but it can only raise the bar on how good these springs are


Product Weakness: None
Product Strengths: Adds weight, improves bass to the music. @ $13 pr a true audio bargain


Associated Equipment for this Review:

Amplifier: PS Audio GCC 250 (Underwood Mod)
Preamplifier (or None if Integrated): none
Sources (CDP/Turntable): Oppo 105
Speakers: Swan Diva IIs
Cables/Interconnects: WireWorld Eclipse
Music Used (Genre/Selections): wide variety of red bok cds
Room Size (LxWxH): 34 x 17 x 11
Room Comments/Treatments: just furniture
Time Period/Length of Audition: Springs will be perminent additions
Other (Power Conditioner etc.): PS Audio Dectet
Type of Audition/Review: Product Owner
Your System (if other than home audition): N/A