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Products - Stax
 
Product Brand : Stax
Product Name : SRM-727II
Product Genre :
Condition : NEW
Description:
Non feedback output stage, low noise dual FET input Class A operation, Pure balanced DC amplifier configuration Earspeaker driver unit.
Input terminal: 1 ( XLR or RCA) with 1 RCA parallel out
Compatible with all Stax electrostatic earspeakers
Available in Silver or Black
 

■ Features 

●The electrostatic method is a playback method which involves the installation of drive electrodes on either side of a high-polymer film diaphragm with a thickness of only a few microns into each of which a plus signal and a minus signal are fed. This means that XLR connection with a pure balance output CD player makes it possible to listen to the original sound permitted by the balance system without a conversion circuit.
●The output stage has been incorporated by newly developing a non-feedback (NON-NFB) large current emitter follower Class A amplification circuit. This makes it possible to achieve a much more vivid and dynamic sound quality.
●The emitter follower at the output stage makes it possible to achieve lower impedance. A major expansion in dynamic range in the upper frequency has also been achieved.
●DC amplifier configuration without the use of a coupling condenser.
●A high sound quality, low noise FET is used at the input stage with a simple two-stage amplifying circuit. A natural and pure sound quality with high information quantity is realized.
●When connecting your favorite attenuator or pre-amplifier, a direct switch that avoids duplication of the volume unit is included.
●Careful selection of parts with high consideration on sound quality, performance, and the environment.
●In order to avoid magnetic distortion, the chassis is made of aluminum materials, thereby contributing to purity of sound.
●Amplification is set at a low level, thereby facilitating subtle adjustment of volume during XLR input and when using high-output CD players, etc.
●Parallel output terminals (RCA) are included to enable the signal to pass through.
●A new panel face has been designed with rounded corners and a silver brushed finish.
●Earspeakers of PRO bias (5-pin) type can be used.
●Control functions are restricted to the volume, and the input uses a single selecting system between RCA or XLR. This is a drive unit for exclusive use with earspeakers with emphasis placed first and foremost upon purity.
 
■ Specifications
●Frequency response DC-115 kHz (SR-007 or SR-404, when using one unit)
●Rated input level 200 mV / 100 V Outputs
●Maximum input level 30 V r.m.s. / at Minimum volume
●Amplification 54 dB (x 500)
●Total harmonic distortion 0.01% / 1 KHz, 100 V r.m.s. output SR-007 or SR-404 Signature, when using 1 unit
●Input impedance 50 KΩ / XLR balance 50KΩ×2
●Input terminals RCA×1 or XLR×1 (balanced)
●Maximum output voltage 450 V r.m.s. / 1 KHz
●Standard bias voltage DC 580 V
●Power voltage 120-240V ±10%, 50 to 60 Hz (adjusted for your area)
●Power consumption 46 W
●Temperature range for use Between 0º and 35ºC, max. 90% (no condensation)
●External dimensions 195 (w) x 103 (h) x 420 (d) mm (including VR knob and pin jack (20 + 10)
●Weight 5.2 Kg
The standards and external appearance of this unit may be changed without prior notice in order to make improvements.

 

 
  Stax SRM-727II solid state headphone amplifier
Price (MSRP)  
CAD 2595.00
USD 1995.56

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