Stax SRS-4170 Electrostatic Earspeaker System

SR-407 Specs

• Push-Pull electrostatic oval sound element
• Open-air enclosure
• Frequency response- 7 - 41,000 Hz
• Capacitance- 110 pF (including cable)
• Impedance- 144 k Ohms (10 kHz)
• Sensitivity- 101 dB / 100 V r.m.s. 1 kHz
• Bias voltage- 580 V DC
• High quality synthetic leather ear pads with moisture permeability
• PC-OCC parallel 6-strand, low capacity wide cable (98.43 in) (2.5 m)
• Ambient temperature- 32 - 95° F (0 - 35° C)
• Humidity- 90% max without condensation
• Weight- 1.1 lbs (0.49 kg) (with cable)

SRM-0006tS Specs

• Vacuum type output stage
• Low noise dual FET input Class A operation
• Pure balance DC amplifier configuration
• 2 vacuum tubes (6FQ7 and 6CG7)
• Frequency response- DC to 80,000 HZ + 0, -3 dB
• High harmonic distortion- 0.01% or less (1 kHz at 100 V r.m.s.)
• Gain- 60 dB (x1000)
• 3 input terminals (1 XLR and 2 RCA) with 1 RCA parallel out
• Rated input level- 200 mV / 100 V outputs
• Max input level- 30 V (at minimum volume level)
• Input impedance- 50 KOhm (RCA), 100 kOhm (XLR)
• Max output voltage- 300 V r.m.s. (1 kHz)
• Standard bias voltage- PRO 580 V x 2
• Power voltage frequency- 117 V (50 Hz / 60 Hz)
• Power consumption- 49 W
• Temperature- 32 - 95° F (0 - 35° C)
• Humidity- 90% max without condensation
• Dimensions- 7.7 x 4.1 x 15 in (19.56 x 10.41 x 38.1 cm)
• Weight- 7.5 lbs (3.4 kg)
• Compatible Voltage- 110v/220v