Stax SRS-3100

SR-L300:

• Type: Push-Pull electrostatic oval sound element, Open-Air type enclosure
• Frequency Response: 7 – 41,000Hz
• Capacitance: 110pF (including cable)
• Sensitivity: 101dB / 100V r.m.s. 1 kHz
• Bias Voltage: 580V DC
• Left & Right Channel Identification: ‘L’ and ‘R’ indicated on the arc assembly, solid line (left) and dotted line (right) on cable
• Ear Pads: High-quality synthetic leather
• Cable: OFC parallel 6-strand, low-capacity wide cable, 2.5m full length
• Ambient Temperature & Humidity: 0 to 35ºC / 90% max. without condensation
• Weight: 11.4oz without cable / 15.8oz with cable

SRM-252S:

• Exclusive driver unit (amplifier) for driving STAX earspeakers with PRO-bias 5-pin connections.
• Class-A amplification with no coupling capacitors and carefully-selected late-model high-voltage transistors and low-noise FETs.
• Frequency response: DC 35 kHz (40 V RMS output SR-207, when using one unit)
• Rated input level: 125 mV with 100 V output
• Maximum input level: 30 V RMS with volume at minimum setting
• Amplification: 58 dB (x800)
• Total harmonic distortion: max. 0.01 % (1 kHz / during 100 V RMS output)
• Input impedance: 50 kΩ (RCA)
• Maximum output voltage: 280 V RMS / 1 kHz
• Standard bias voltage: DC 580 V (PRO-bias)
• Power consumption: DC 12 V / 4 W – AC adaptor included
• Temperature range for use: Between 0°C and 35°C, max. 90% (no condensation)
• External dimensions: 132 (W) × 38 (H) × 132 (D) mm
• Weight: 540 g