The 2451H/J features a Neodymium rare-earth magnet structure for high output, light weight, and compact size.
Preliminary Specifications:
• Throat Diameter: 38 mm (1 in)
• Nominal Impedance: 2451H 8 ohms
2451J 16 ohms
• Minimum Impedance: 6 ohms (H), 12 ohms (J) @ 5 kHz
• DC Resistance: 4.3 ohms (H), 8.5 (J) 10% @ 25C
• Power Rating': 100 W continuous program above 500 Hz
• 150 W continuous program above 1 kHz
• Sensitivity: 111 dB SPL, 1 W @ 1 m on-axis on horn
• 118 dB SPL, 1 mW on plane wave tube
• Nominal Efficiency: 30% (500 Hz to 2.5 kHz)
• Frequency Range: 500 Hz or higher, 12 dB/octave minimum
• Recommended Amplifier Powerd: 200 W into 8 ohms
• Diaphragm: 0.05 mm (0.002 in) pure titanium
• Voice Coil Diameter: 100 mm (4 in)
• Voice Coil Material: Edgewound aluminum ribbon
• Flux Density: 1.9 T (19,000 gauss)
• B1 Factor: 12.7 (H) T m
18 (J) Tm
• Polarity: Positive voltage to black terminal produces diaphragm motion toward phasing plug
• Dimensions: 167 mm (6 in) diameter 76 mm (3 in)
• Mounting: Four -20 threaded holes, 90 apart on 114 mm (4 in) diameter
• Net Weight: 4.5 kg (10 lb)
California Prop 65 -
WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov