Sidebar 1: Specifications
Description: Electrostatic headphones with separate energizer unit. Frequency range: 8Hz–35kHz (no tolerance given). Sensitivity: 104dB at 100Vrms differential input at 1kHz. Diaphragm thickness: 1.5;um. E/90 Energizer/Amplifier. Frequency response: 1.6Hz–50kHz ±3dB at 100Vrms differential output. Input impedance: 100k ohms. Input level: 1Vrms for full output. THD+noise: 0.001% at 1kHz and 100Vrms differential output. Voltage amplification: 60dB. Channel separation: 80dB at 1kHz, 100Vrms differential output. Audio output voltage: 600Vrms differential, 2300Vrms push-pull with soft limiting. S/N ratio: 100dB at 100Vrms output. Bias voltage: 600V DC.
Dimensions: Energizer, 2.6" (65mm) H by 4.33" (110mm) W by 4.33" (110mm) D. Weight: 17oz. Headphones, Weight: 12.45oz.
Price: headphones and energizer/amplifier, $2000 (1992); $999.99 (2010). Approximate number of dealers (for ESP/950): 5
.Manufacturer: Koss Corporation, 4129 N. Port Washington Ave., Milwaukee, WI 53212. Tel: (414) 964-5000. Fax: (414) 964-8615. Web: koss.com.
Dimensions: Energizer, 2.6" (65mm) H by 4.33" (110mm) W by 4.33" (110mm) D. Weight: 17oz. Headphones, Weight: 12.45oz.
Price: headphones and energizer/amplifier, $2000 (1992); $999.99 (2010). Approximate number of dealers (for ESP/950): 5
.Manufacturer: Koss Corporation, 4129 N. Port Washington Ave., Milwaukee, WI 53212. Tel: (414) 964-5000. Fax: (414) 964-8615. Web: koss.com.
