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BDR Pyramid Cone Mk4




The BDR cone is a classic vibration control device.

I'm currently testing a set of Black Diamond Racing Pyramid Cones MK4 while configuring a new vibration control system for a preamplifier unit enclosure (not the IPS outboard DC power supply unit) of an Aragon 18k MKII preamplifier.

The BDR MK4 cones sound uncolored, open, nominally linear but midrange presence sounds a bit too forward when implemented in conjunction with a tonewood plinth positioned upon an MDF rack shelf. Next DIY modification within the configuration will test a Herbie's Audio Lab "Thin" Fat Dot (dBNeutralizer pad) placed between the base of the cones and the surface they interface with (choosing either point-side-down, or point side-up to one's ear).

A different tonewood plinth material is likely next in line...


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