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GSU-D04R

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SRV-1BR
SFS-2B
SRS-1BR
SFH-1BR
DRIVER

G.T.Sound Driver Unit has realized an ultra-wide range(500Hz-24,000Hz) with a low distortion that could not be achieved in the world in the past furthermore there is no individual difference between left and right chanel by adopting precise design,measurement and carefully selected matirials.We create everything with the spirit!

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G.T.Sound Driver Unit has realized an ultra-wide range(500Hz-24,000Hz) with a low distortion that could not be achieved in the world in the past furthermore there is no individual difference between left and right chanel by adopting precise design,measurement and carefully selected matirials.We create everything with the spirit!

Characteristic

1.Aluminum alloy bobbin integrated diaphragm

  1. 100mm diameter aluminum diaphragm integrated with bobbin adopts 35μm ultra-thin and ultra-light type.
  2. The voice coil uses a pure rectangular aluminum slit wire with excellent conductivity and wind the coil.
  3. Combined with the intergated ultra-thin diaphragm,the vibration system is lighter and can reproduce even minute signals without distorition up to 24KHz.
  4. The effect of edge resonance is reduced by using a rear compression systems.
  5. Edge part adopts titanium diamond shape(rhombus) to prevent micro vibration.

2.Phaseplug(Phase equalizer) & Throat

  1. Made of original forged integrated aluminum alloy with 4slits.(Since the slit at the edge part generates distortion due to resonance)
  2. Strict dimensional accuracy and high rigidity,cutting technology reduces distortion.
  3. Copper plating on pure iron to prevent oxidation.
  4. An ultra-thin copper ring is pressed into the voice coil surface for smoothing high-frequency characteristics.
  5. The throat part is made of brass in consideration of sound quality effects to achieve a clearer sound.

3.Magnetic circuit

  1. Magnet adopts large Alnico DG5 with inner magnet type with high sound quality effect.
  2. A powerful magnetic circuit with magnetic flux density or 2.0 Tesla(20,000 gauss).
  3. Dramatically reduced current distortion by adopting a double short ring.

4.Externals

  1. The outer yoke, which is part of the magnetic circuit, is made by a rugged special casting method
  2. The back chamber is made of aluminum alloy and specially designed so as not to affect the diaphragm.
  3. The speaker terminal is a crimp type that can used very thick wires.

5.Durability

  1. The magnet uses Alnico DG5 for magnetic measures.
  2. Radiation control with integrated matal voice coil and matal phaseplug.
  3. The newly developed joint method is used for soldering the aluminum wire of the diaphragm to take measures against deterioration such as diconnection.
  4. Designed to maintain initial characteristics for a long time.

Specification

Horn throat diameter49.2mm
Official Impedance12.5Ω
Rated Input25W/IEC
Output sound pressure level110dB/W(1m)
Frequency band500〜24kHz
Recommended crossover frequencymore than 500Hz(12dB/oct)
Phaseplug4 Slit / back type
Diaphragm35μ made of aluminum alloy
Voice coil100mm
Voice coil materialEdge-wound aluminum alloy
Magnetic flux density2.0Tesla(20,000 gauss)
External sizeφ178mm × 175mm
Mounting pitch101.6mm
Weight16.2kg

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