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Massdrop x Koss ESP/95X Electrostatic System
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Massdrop x Koss ESP/95X Electrostatic System
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Product Description
A revival of the standard-setting ESP/950 released by Koss in 1990, these headphones bring electrostatic quality into a whole new price bracket. Initially designed for live recording, the ESP/950 came with a large carrying case and a battery pack to power the required energizer: a special amplifier for electrostatic drivers Read More
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smy1
28
Jul 2, 2022
Does anybody have a link to another power adapter in the US that is compatible with the esp95/x? Lost the original one.
Theroc
2335
Keyboard Club Member
Aug 25, 2022
smy1The iFi iPower is a great option and it's compatible with many amps, including the "energizer" that comes with the 95x. I know because I use one with mine.
BrennanTheOG
3
Apr 28, 2022
xd0215I’ve been refreshing this page everyday for months in anticipation. Just to get let down every time.
CCD1
55
Mar 1, 2022
Construction quality got me. The construction quality of these cans is flimsy and mine just blew up this week. Pretty sure that, but for the circuit protections on my amp, it would have taken out my amp as well. Replaced the Koss with the Hifiman HE6se Ver 2. Did it because I got an open box deal for $600. Great $600 cans, not so great at list price. Still miss the soundstage and airiness of that an electrostatic supplies! If I got another electrostatic, I would try Stax.
Varungoel2021
6
Dec 1, 2021
Should I upgrade esp/95x? If yes then which one? This is my best and only static till know & he4xx in dynamic. Currently using with oratory1990 around two years
GuitarStruck
41
Oct 26, 2021
So I was getting a light hum that sounds like ground loop hum.
Test 1: Turn the power switch to the off position. Hum increases in volume.
Test 2: Unplug the power cord. I still hear a hum. Maybe I'm going crazy. But the sound can't be in my ears because I don't hear it when I remove the headphones. Maybe from residual charge in capacitors.
Test 3: Unplug the RCA input cables (from my DAC). Hum goes away.
Test 4: While keeping the RCA input unplugged, use an audio cable from my phone to the Aux In. Result: no hum, but the audio quality isn't as good as from my DAC.
Test 5: Reconnect the RCA cables from the DAC, unplug the DAC. Hum goes away.
Conclusion: Hum is coming in from the DAC, through the RCA line-level input. I'm using OHNO unshielded RCA cables but the noise seems to be coming from the DAC rather than the cables.
UPDATE: It seems the Chord 2Qute DAC has a known grounding issue, but the unit comes with a grounding post. I'll try connecting it to the Koss energizer box and will post an update.
(Edited)
Dakkadence
64
Oct 22, 2021
The weight is listed as 353 grams, but so many reviews state that it's lightweight? Is it because the weight of the cable is included?
IchiOtoSasayaki
22
Oct 21, 2021
Anybody else have random electric sounds from headphones? Like crackles and high pitch sounds.
I sent about 10 emails to Koss asking about it but they didn't respond..
It was like this from the beginning and I keep them in a box so it's not dust..
Perhaps a different power supply will fix this?
(Edited)
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