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Posts by ardgedee

That seems excessive since Moon Audio sell the combination for around $15 plus shipping. Surplus dealers are listing the connector alone (without shell) for $5-10.
Interesting. Is that a legitimate Stax connector or an Amphenol? (eg, Moon Audio sells the Amphenol plug)
There should be an extension cable packed with the ESP-950. If not, you can order one from Koss cheap-ish. Hack that up for your adaptor.
Koss ESP-950: upper row: Pin 1: Right negative (-) (Back stator) Pin 2: Left negative (-) (Back stator) lower row: Pin 3: Right positive (+) (Front stator) Pin 4: Bias Pin 5: Left Positive (+) (Front stator) The solid-stripe wire in the cable is on the same side as pins 1 and 3 The dashed-stripe wire in the cable is on the same side as pins 2 and 5   Stax Pro: Pin 1: Bias Pin 2: Right positive (+) (Front stator) Pin 3: Left Positive (+) (Front stator) Pin...
Should we be keeping an eye on you? 
 "Bewildering"? Why fix what ain't broke? I have mixed feelings about the whole ESP 950 package. I'd just as soon Koss continue the status quo of pairing an underperforming amp with overperforming headphones, if they want to meet a price point. The headphones can be used with other devices when they're ready to upgrade. And the amp is not necessarily bad in itself, considering the relatively low cost and threshold of effort for performance upgrades (better power supply,...
Missed it by that much!
 Looks like somebody had a dozen of them to sell on Ebay at the start of this year, for $300 apiece without energizer or amp. Kind of sorry I missed out on that... kinda not, because it sounded like the seller applied none of their $100 shipping fee towards any effort in safely packaging the item. According to this thread, MRI labs usually have to modify them further to be suitable for use, up to and including removing the transducers entirely and putting them in better,...
 I suspect that Martin-Logan demo wouldn't apply, because a puncture affects a smaller portion of the surface area in a speaker than in a headphone. And this also reminds me that small tears in Quad ESLs diaphragms were supposed to be audibly evident, so transducer design may have something to do with it. As for most speakers, the best way to avoid damage from excessive volume is to ensure the amplifiers (not just the amp itself, but any other gain-providing circuits, such...
Koss makes the terms confusing because they refer to the E/90 as an energizer. The rest of the world calls it an amplifier. It can power the headphones when connected directly to a sound source (DAC, turntable, etc.).   Using a Stax-compatible amp or energizer requires an adaptor cable. When people here refer to the Amphenol connector, it's a plug used to build an adaptor cable. If you don't have much experience soldering and don't have the equipment necessary, you're...
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