Buy Koss ESP-950 Electrostatic StereophoneKoss ESP-950 Electrostatic Stereophone Product Description:
- Incorporates state-of-the-art electrostatic transducer technology
- Electrostatic element with a fast, low-mass diaphragm provides low distortion
- Frequency response: 8Hz-35kHz
- Pivoting earcups and adjustable, detachable headband for comfort and convenience
- Soft, vinyl closed ear cushion design for isolation
Product Description
The ESP950 Electrostatic Stereophone System is the pinnacle of audio reproduction. The standard upon which all other electrostatic headphones can be measured. A professional listening system so distortion free, it literally pushes the limits of the world's most sophisticated instruments that attempt to measure its performance. The result is an experience that no other stereo system can approach. A revolutionary design in electrostatic transducers which includes cross matched mechanical damping and semi-conductive coating. The result is an ultra-flat frequency response across the entire range: deep, clean bass with real power that other attempts at electrostatic transducers can only envy. You would expect nothing less from the people who introduced the world to private listening with its first SP3 stereophone in 1958. The ESP includes the Electrostatic Stereophone, energizer, battery pack, leather carrying case, connecting cables, and 120 VAC adapter. This unit is equipped with soft, vinyl closed ear cushion design for isolation. The Electrostatic Stereophone features pivoting ear cups and adjustable, detachable headband for comfort and convenience. The ESP950 has a straight, dual entry 4 foot cord/6 foot extension. Built to last, the ESP950 is covered under Koss' Limited Lifetime Warranty - the only warranty of its kind in the stereophone industry. SpecificationsFrequency Response 8-35,000 Hz Impedance 100k ohms Sensitivity 104 dB SPL/1mW Distortion <0.01%
Customer Reviews
Most helpful customer reviews
15 of 15 people found the following review helpful.
Koss repaired and returned excellent service...
By James Anderson
I bought this from Amazon in November and it went kaput in December. I since sent it back to Koss taking them up on their lifetime warrenty. I recieved a free new energizer unit. This headphone is excellent (and I own many of the top brands); Use it with a tube headphone amplifier to get best results.
14 of 14 people found the following review helpful.An audio classic that still sounds great
By Robert Graham
The Koss ESP-950 has been around for over 20 years, and yet it holds up when compared to the best headphones available today. This is an electrostatic design, known for it's clear and lifelike presentation. Stax, from Japan, is the leader in electrostatic headphones, but the American-made Koss compares well with the Stax Lambda line, comes with a lifetime warranty, and includes a portable amp and a calfskin carrying case for less than the cost of the Stax Lambda models. The overall presentation of ESP-950 is accurate, musical and detailed, with details apparent even at lower listening levels. The bass is slightly rolled-off, but the sound of a string bass (an instrument I used to play) is very accurate. The best sound qualities of this headphone, though, are shown in it's very sweet midrange -- this is a great headphone for vocals. I've owned the Sennheiser HD600 (a well-regarded high-end headphone), as well as the Stax Lambda Pro and I prefer the sound of the Koss ESP-950. Highly recommended!
7 of 7 people found the following review helpful.Terrific headphone
By D. Bam
This is an excellent headphone. With electrostatic headphones like this one, Stax, Sennheiser HE60/90, etc., you always get wonderful clarity. The sound is light, airy, and very pleasing. I often find myself turning up the volume when listening to electrostats because they don't hurt your ears as much as dynamic headphones. The trade-off is generally slightly less bass (although I wouldn't call these bass-shy), and a little less "weight" to the tone.Are there better headphones out there? Certainly. But at this price, you won't find a better electrostat. And it comes with an amplifier included. If you want to get a taste of an electrostatic sound, but don't want to spend the big bucks for a Stax Omega II, or a Stax SR-009, this is the way to go (I find this headphone much more enjoyable than the similarly-priced) Stax Lambda series.
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