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Stax SRS-4040II Signature Headphones w/ SRM-006tII Driver
Stax SRS-4040II Signature Headphones w/ SRM-006tII Driver "The Ultimate in the Lambda Series"
Stax Headphone Revolutionary New Diaphragm
The STAX SR-404 Signature utilizes a new super thin diaphragm of only 1.35 micron in thickness. This unique diaphragm has only been made possible by a revolutionary new material with a molecular structure previously unavailable. The improvement in sound quality and retrieval of inner detail is simply stunning. The STAX SR-404 comes complete with a low capacitance wide format PC-OCC cable for connection to the SRM-006t Driver Unit.
Stax Headphone SR-404 Specification
Type :Push-Pull Electrostatic Open-Back Earspeaker
Frequency Response :7 - 41,000Hz
Impedance :144k Ohms (10kHz)
Sensitivity :100dB / 100V r.m.s. 1 kHz
Bias Voltage :580V DC
Left & Right Channel Identification Displayed on hedband ARC section
Ear Pads :Crafted from high quality artificial leather for durability and comfort.
Cable :Low capacity wide format, PC-OCC (Pure Crystal Ohno Continuous Casting) 2.5m/8.2ft
Ambient Temperature & Humidity :0 to 35ºC / 90% max. without condensation
Weight :10.6oz without cable / 1.05lbs with cables
SRM-006t Features Vacuum Tube Output
STAX have established and enviable reputation with their highly respected Dual Triode Vacuum Tube output stage. The employment of this circuitry in the SRM-006t Driver Unit results in clear natural sound, without the unnecessary coloration that can be caused by condensers in the signal path.
SRM-006t Specification
Type Vacuum tube output stage Low noise dual FET input Class A operation, Pure balance DC amplifier configuration Earspeaker driver unit
Vacuum Tube :2 (6FQ7 / 6CG7)
Frequency Response :DC to 44,000Hz w/ either SR-007 or SR-404
High Frequency Distortion :Max. 0.02% (with 1kHz, 300V r.m.s. output)
Gain :60dB
Input Terminal :2 (RCA x 1, RCA or XLR x 1) with 1 RCA parallel out
Rated Input Level :100mV (with 100V output)
Input Impedance :50Kohm (RCA), 50kohm (XLR)
Max. Output Voltage :300V r.m.s. (1kHz)
Standard Bias Voltage :PRO 580V x 3
Operating Power Voltage Frequency :117V (50Hz / 60Hz)
Power Consumption :49W
Ambient Temperature & Humidity :0 to 35ºC / 90% max. without condensation
External Dimensions :7.7 (W) x 4.1 (H) x 16.5 (D) in
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