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STAX SRS-4170 Signature Electrostatic System - EX DEMO

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  • Open Back Earspeaker SR-407 & SRM-006tS Driver Unit with Vacuum Tube Output Stage

  • Carefully Selected Engineered Plastics Utilised for the Sound Element

  • Special Cables Reduce Capacity between Lines and Diminish Signal Loss

  • Professional-Grade Components Employed in Main Circuit to Improve Tone Quality

  • Premium Relays Eliminate Mutual Difference between Equipment

STAX SRS-4170 Signature Electrostatic System - EX DEMO

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STAX SRS-4170 Signature System

This is an Ex- Demo model, only used in our demo room. Comes complete with all accessories and original box. Supplied with a  FULL 1 Year warranty.

The STAX SRS-4170 is a high-quality combination system of the signature earspeaker SR-407 and the SRM-006tS driver unit with vacuum tube output stage.

The STAX SRM-006tS is equipped with one XLR and two RCA input terminals and the double-axis 4-gang volume controller can accept fully balanced source signals. Moreover, in order to make the most of full balance circuit, each low-noise FET was carefully measured and thermally combined with each other. This results in the stable operation of the completely direct-coupled DC circuit with no coupling capacitor and brings out the maximum performance of the STAX SR-407 full-balance sound element. The high, low and mid-range of the STAX SRS-4170 system covers all genres from vocal to orchestra and enables you to enjoy music over a long period of time.

The special PC-OCC wide low-capacity parallel cable used for the STAX SR-407 sends signals from the driver unit to the sound element with little loss, enabling clear and distortion-free music reproduction.

STAX SR-407 Headphone Features

  • Carefully selected new "super engineered plastics" have been utilised for the sound element which is mounted in a rigid resin case of a tough glass fibre mixture and firmly fixed to the metal base of the housing
  • PC-OCC low-capacity special wide cables are employed to reduce the capacity between lines and to suppress signal loss
  • Plug contact gold-plated to maintain high-quality sound for a long period of time
  • Supple artificial leather is utilised for the earpads for excellent wearing comfort
Stax SR-407 Electrostatic Open Back Earspeakers

SR-407 Signature Headphone Technical Specifications

  • Type: Electrostatic/Open back/Push-pull driving
  • Frequency Range: 7-41,000Hz
  • Capacitance (including cable): 110pF
  • Impedance: 144kΩ (including cable, at 10kHz)
  • Sound Pressure Level: 101dB/100V r.m.s.
  • Cable: Wide format Low Capacitance PC-OCC Conductor
  • Earpad: High quality artificial Leather
  • Weight: 515g (including cable), 340g (without cable)
  • Colour: Brown
  • Operation Temperature: 0º - 35º C

STAX SRM-006tS Driver Unit Features

  • Carefully selected audio-grade components are employed in the main circuit to improve tone quality
  • Balanced input via a XLR terminal along with the custom-made double axis 4-gang volume controller enable a full balanced operation from sound input to output
  • Class-A all-stage DC amplifier circuit configuration capacitors eliminates coupling throughout the signal path
  • High-voltage dual triode 6FQ7 / 6CG7 are utilised in the output stage and the input stage features a simple two-stage amplification using carefully selected low noise FET
  • The 3 inputs are equipped with XLR terminals
  • One of the RCA input terminals functions as a parallel out providing a direct incoming signal
  • High-quality relays are placed close to the input terminal to recognise the shortest signal path eliminating the mutual difference between equipments by switching the hot / cold side of the signal simultaneously
Stax SRM-006tS Vaccum Tube Output Driver Unit

Technical Specifications SRM-006tS Driver Unit

  • Frequency response: DC 80 kHz / +0, -3 dB (in the case of use of one SR-407 unit)
  • Rated input level: 100 mV with 100V output
  • Maximum input level: 30 V r.m.s. with volume at minimum setting
  • Amplification: 60 dB (x1000)
  • Total harmonic distortion: max. 0.02% at 1 kHz 100 V r.m.s. (in the case of use of one SR-404 unit)
  • Input impedance: 50 kΩ / during balance 50 kΩ × 2
  • Maximum output voltage: 300 V r.m.s. / 1 kHz
  • Vacuum tubes: 6FQ7/6CG7 type x 2
  • Standard bias voltage DC580 V (PRO bias)
  • Power voltage: AC120V-240V ± 10%, 50 to 60 Hz. (Adjusted for your area)
  • Power consumption: 49 W
  • Temperature range: between 0º and 35ºC
  • External dimensions: 195 (W) × 103 (H) × 375 (D) mm
  • Weight: 3.4 Kg
Stax SRM-006tS Vacuum Tube Output Unit Back View
Product TypeHeadphones
Feature KeywordComfortable, Hi-Fi, Open, Over Ear, Over Head
Recommended UseHi-Fi
Manufacturer Warranty1 Year
Included AccessoriesNo
Part NumberSR-4170
Headphone Fit TypeNo
Headphones TypeNo
Cable EntryNo
Cable LengthNo
Connector AngleNo
Connector TypeNo
Detachable CableNo
Driver SizeNo
Driver TypeNo
Connectivity TechnologyNo
Earcup DesignNo
Frequency ResponseNo
Headphones Form FactorNo
Headphones TechnologyNo
Number of DriversNo
Sound Isolation (dB)No
Sound Output ModeNo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)No
Wireless TechnologyNo

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