After purchasing a pair of Senal SMH-500, I found the ear pads (cushions) were a bit snug for my comfort.    Initially, I thought about buying a pair of Senal Extra Deep Ear Pads listed at BHPhoto . . . but they sell for $25 shipped and that was TOO pricey IMO - particularly when the velour...

LOVE the FOAM modification . . . Graphicism . . . so much so that when I went to MOD my RX700 with foam I thought I had - but did not and was I bumming.   Then I remembered . . . in a drawer in the kitchen where about 2 years ago I had some weatherstripping for doors and windows.  WOO HOO!! ...

  I liken my preference to electrical power emergency backup systems for super computer facilities - where sizing a UPS (uninterruptible power suppy) in 100s or 1000s of KVA and or Engine-Generator Set in 100s or 1000s of KW is not based soley on maximum continuous load - where industry...

FIRST LESSON LEARNED . . . inspired y, dated 15 August 2014 at 11:19am . . . calculation confirmed after reviewing A PRACTICAL GUIDE TO dB CALCULATIONS by Chuck McGregor in September 1999 . . . as follows:   Sennheiser HD 558 specifications state . . .   Sennheiser HD 558 . . . SPL 112 dB (1...

  First, thank you so very much for your reply MindsMirror.  :)   Thank you as well for the additional info regarding Ohm's Law as it applies here, and for the 20x power education.  I would like to know how to specifically calculate the result ending with 99dB @ 1mW.  I suspect it involves...

Hi,   For the last few days I have been struggling with how good and how poor headphones sound.   I have been listening to a variety of music with a small variety of headphones with MSRP of (approx) less than $180.   Specifically (in alphabetical order), I have been listening to . . .  ...