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Stax SRM-353X Electrostatic Headphone Amplifier

code: STXSRM-353X
£829.17 (FREE UK Delivery)
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The SRM-353X is the exclusive driver unit (amplifier) produced to drive Stax electrostatic Earspeaker headphones.

Carefully hand selected high quality parts of audio grade further improves tonal quality, and achieved wider frequency response from re-examination of circuitry. Newly added XLR input terminal enables connection of balanced outputs of audio equipment taking full advantage of its superior performance.

Technical 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 90,000Hz (with 1 SR-L series Earspeaker)
  • High Harmonic Distortion: Max 0.01% (1kHz at 100V r.m.s. with SR-L500)
  • Gain: 60dB (x1000)
  • Input Terminal: 1 RCA with 1 RCA parallel out and XLR 
  • Rated Input Level: 100mV / 100V Outputs
  • Max. Input Level: 30V (at minimum volume level)
  • Input Impedance: 50KΩ(RCA) 50KΩx2(XLR)
  • Max. Output Voltage: 400V r.m.s. (1kHz)
  • Standard Bias Voltage: PRO 580V x 2
  • Power Voltage Frequency: 117V (50Hz / 60Hz)
  • Power Consumption: 30W
  • Temperature & Humidity: 0 to 35ºC / 90% max. without condensation
  • Dimensions: 5.9 (W) x 3.9 (H) x 14.2 (D) in
  • Weight: 6.6lbs
  • Color : Silver
  • Voltage: 120V/60HZ
  • Warranty: 1-year U.S. limited warranty

We endeavour to despatch same day for orders placed up to 2pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is recieved. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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