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1 Inch High Frequency Compression Driver, 8 Ohms Impedance
Model: 2426H
- Alternate 1 3/8"-18 screw mounting
- 70 watts continuous program power handling when used above 800 Hz
- 100 watts continuous program power handling when used above 1.2 kHz
- 800 Hz to 20 kHz response
- 8 ohm (H) or 16 ohm (J) impedance
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The model 2426H is a professional quality high frequency compression driver which incorporates JBL’s titanium diamond diaphragm. This titanium diamond structure combines the ruggedness of phenolic and composite-type diaphragms with the outstanding frequency response of fragile aluminum and exotic metal diaphragms.
JBL’s exclusive suspension1, consisting of a three-dimensional diamond pattern, reduces bending stresses in the diaphragm support structure. The depth of the diamond pattern is closely controlled to provide predictable frequencies for the 2nd and 3rd normal resonance modes and for the basic suspension resonance.
The mathematically determined phasing plug consists of concentric exponential horns to minimize phase cancellations. Phasing plug, throat exit tube and diaphragm assemblies are identical to the previous model.
All cast parts and tolerances are held to the same levels traditionally associated with JBL designs. Additionally the press-fit assembly and interlocking parts assure greater resistance to the mechanical shock. Diaphragm assemblies are rim centered rather than pin mounted, for instant interchangeability and ease of field service. Mounting is provided for standard 25 mm (1 in) three bolt pattern. The front snout may be removed (unscrewed) to allow standard 1 3/8” -18 screw mounting. Through holes for external attachment points are also provided. A machined ring of copper surrounds the pole piece to counteract the inductance of the voice coi1 at high frequencies. After manufacture, the frequency response of each driver is tested for conformity to rigid performance standards. The 2426H is offered in an 8 ohm impedance, and the otherwise identical 2426J is offered in a 16 ohm impedance.
JBL’s exclusive suspension1, consisting of a three-dimensional diamond pattern, reduces bending stresses in the diaphragm support structure. The depth of the diamond pattern is closely controlled to provide predictable frequencies for the 2nd and 3rd normal resonance modes and for the basic suspension resonance.
The mathematically determined phasing plug consists of concentric exponential horns to minimize phase cancellations. Phasing plug, throat exit tube and diaphragm assemblies are identical to the previous model.
All cast parts and tolerances are held to the same levels traditionally associated with JBL designs. Additionally the press-fit assembly and interlocking parts assure greater resistance to the mechanical shock. Diaphragm assemblies are rim centered rather than pin mounted, for instant interchangeability and ease of field service. Mounting is provided for standard 25 mm (1 in) three bolt pattern. The front snout may be removed (unscrewed) to allow standard 1 3/8” -18 screw mounting. Through holes for external attachment points are also provided. A machined ring of copper surrounds the pole piece to counteract the inductance of the voice coi1 at high frequencies. After manufacture, the frequency response of each driver is tested for conformity to rigid performance standards. The 2426H is offered in an 8 ohm impedance, and the otherwise identical 2426J is offered in a 16 ohm impedance.
- Alternate 1 3/8"-18 screw mounting
- 70 watts continuous program power handling when used above 800 Hz
- 100 watts continuous program power handling when used above 1.2 kHz
- 800 Hz to 20 kHz response
- 8 ohm (H) or 16 ohm (J) impedance
- 110 dB sensitivity (1W/1m on 2370A horn)
- 44 mm (1 3/4 in) pure titanium diaphragm
- Patented diamond pattern diaphragm suspension
- 44 mm (1 3/4 in) edgewound aluminum ribbon wire voice coil
- Copper-plated pole piece for reduced inductance and increased high-frequency output
- Spec Sheet available - Yes
- Throat Diameter: 1 in (25 mm)
- Nominal Impedance: 8 ohms
- Minimum Impedance: 5 ohms @ 5 kHz
- D.C. Resistance: 3.3 ohms +/- 10% @ 25 degreeC
- Power Capacity: 70 W continuous program above 800 Hz; 100 W continuous Program above 1.2 kHz
- Frequency Response: 107 dB SPL, 1 W @ 1 m, JBL 2344A horn; 110 dB SPL, 1 W @ 1 m, JBL 2370A horn2; 117 dB SPL, 1 mW on plane wave tubes
- Nominal Efficiency: 25 % (800 Hz to 2.5 kHz)
- Frequency Range: 500 Hz to 20 kHz
- Recommended Crossover: 800 Hz or higher, 12 dB/octave slope minimun
- Diaphragm: 0.002 inch (0.05 mm) pure titanium
- Voice Coil Diameter: 44 mm (1% in)
- Voice Coil Material: Edgewound aluminum ribbon
- Flux Density: 1.8 T (18,000 gauss)
- Bl Factor: 6.3 N/A
- Diameter: 5 7/8 in (149 mm)
- Maximum Frequency Response (Bandwidth): 20 kHz
- Maximum Frequency Response (Bandwidth): 20000 Hz
- Minimum Frequency Response (Bandwidth): 800 Hz
- Minimum Frequency Response (Bandwidth): 0.80 kHz
- Impedance: 8 ohm
- Sensitivity: 110 dB
- Product Weight: 9.48 lbs
2426J
- 1 Inch High Frequency Compression Driver, 16 Ohms Impedance
Specification Sheet for Compression Driver
162 kb
- Data Sheet
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Gable
7440 Fort Smallwood Rd
Baltimore, MD 21226
USA
(410) 255-6400
https://gablecompany.com/
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JBL Professional
Model: 2426H
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