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Stax SRM-252s
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.
SRM-252S SPECIFICATIONS:
Type |
:All-stage semiconductors, Low-noise dual FET input Class A operation, Pure balance DC amplifier configuration Earspeaker driver unit
|
Frequency 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 out
|
Rated Input Level | :125mV / 100V Outputs |
Max. 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 1 |
Power Voltage Frequency | :117V (50Hz / 60Hz) |
Power Consumption | :4W DC12V |
Temperature & Humidity | :0 to 35ºC / 90% max. without condensation |
Dimensions | :5.2 (W) x 1.5 (H) x 5.2 (D) in |
Weight | :1.2lbs |
Color | :Silver |
Specifications and appearance are subject to change for improvement.