The SR-L300 earspeaker employes new hand selected thin film diaphragm and tough stainless fixed electrodes. Rich deep bass response, delicate high frequency and soothing mid-range has been achieved in a balanced manner. The SRM-252S is an exclusive driver unit (amplifier) for driving STAX ear speakers with PRO-bias 5 pins. Its line input can directly connect to the audio output terminal of CD player, portable audio player and PC. The SRM-252S has a simple design that excels in sound quality employing the carefully selected newest high-voltage transistors and low-noise FETs. The output stage featuring the emitter-follower configuration reinforces the driving performance and also realized the smooth sound quality. Moreover, the class-A amplification throughout the stages with no coupling capacitors reproduces exhaustively the finest nuance of music. Although the SRM-252S includes a class-A DC amplifier in a compact CD jacket size case, the internal heat is effectively dissipated through the chassis of aluminum extrusion material to improve the reliability over a long period of time. Also, the parallel output terminal was added to distribute the source signal so that a loud speaker may also be simultaneously used when source equipment has only a pair of output terminals. SR-L300 SPECIFICATIONS: Type :Push-Pull electrostatic oval sound element, Open-Air type enclosureFrequency Response :7 - 41,000HzCapacitance :110pF (including cable)Sensitivity :101dB / 100V r.m.s. 1 kHzBias Voltage :580V DCLeft & Right Channel Identification :'L' and 'R' indicated on the arc assembly, solid line (left) and dotted line (right) on cableEar Pads :High-quality synthetic leatherCable :OFC parallel 6-strand, low-capacity wide cable, 2.5m full lengthAmbient Temperature & Humidity :0 to 35ºC / 90% max. without condensationWeight :11.4oz without cable / 15.8oz with cable SRM-252S SPECIFICATIONS:
Type :All-stage semiconductors, Low-noise dual FET input Class A operation, Pure balance DC amplifier configuration Earspeaker driver unitFrequency Response :DC to 35,000Hz with SR-207 (with SR-207)High Harmonic Distortion :Max 0.01% (1kHz at 100V r.m.s. )Gain :58dB (x800)Input Terminal :1 RCA with 1 RCA parallel outRated Input Level :125mV / 100V OutputsMax. Input Level :30V (at minimum volume level)Input Impedance :50KΩ(RCA)Max. Output Voltage :280V r.m.s. (1kHz)Standard Bias Voltage :PRO 580V x 1Power Voltage Frequency :117V (50Hz / 60Hz)Power Consumption :4W DC12VTemperature & Humidity :0 to 35ºC / 90% max. without condensationDimensions :5.2 (W) x 1.5 (H) x 5.2 (D) inWeight :1.2lbsColor :Silver
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