NHT 3.3 - Manual (Page 8)

! ! Model 3.3 Technical Specifications
• System Type: 4-way acoustic suspension design, Focused Image Geometry
• In-Room Response at 1M: 23Hz - 26KHz, +/- 2dB, typical
• In-Room Response at 2M: 23Hz - 26KHz, +/- 4.5dB typical
• In-Room Low Frequency Cutoff: 22Hz at 3dB
• In-Room Low Frequency Useful Limit: 19Hz at 6db
• Distortion at 87dB SPL: <0.4%, 35Hz to 20KHz; <2.5%, 20Hz to 35Hz
• Distortion at 97dB SPL: <1.1%, 45Hz to 20KHz; <6%, 20Hz to 45Hz
• Sensitivity: 87dB (2.83V at 1M)
• Impedance: 6 ohms nominal, 4.3 ohms minimum, 10.5 ohms maximum, no phase angle over +30°
• Recommended Amplifier Power: 30 Watts to 300 Watts per channel, 1000W peak input
• Inputs: 1 pair of gold-plated 5-way binding posts for woofer input 1 pair of gold-plated 5-way binding posts for mid / high
input
• Weight: 123 Ibs. each
• Dimensions: 42"H x 7"W x 31 "D, not including grille or stabilizer kit
• Finish: Italian black satin laminate, high-gloss mahogany or sycamore laminate
• Driver Information:
Subwoofer:
12" polymer cone in 70-liter acoustic suspension enclosure
Ultra-long throw 2-layer voice coil
59 oz. magnet in die-cast frame
19Hz free-air resonance
Fc = 35Hz, Q[C = 0.65
12dB/octave low-pass at 100Hz
Lower Midrange:
6.5" polymer cone in 10-liter anti-modal enclosure
Long-throw 2-layer voice coil
42hfz free-air resonance
Fc = 67Hz, OK; = 0.66
12dB/octave high-pass at 100Hz; 12dB/octave low-pass at 320Hz
Upper Midrange:
4 polymer cone in 3-liter anti-modal enclosure
Fiber-composite molded frame
110Hz free-air resonance
12dB/octave high-pass at 320Hz; 18dB/octave low-pass at 3.5KHz
Impedance compensation
Tweeter:
1" fluid-cooled aluminum dome 1.4KHz resonance 18dB/octave high-pass at 3.5KHz Impedance compensation
• Crossover Information:
Top quality, low distortion components, minimal topology
14 AWG soldered internal wiring
2-terminal biamplifiable, with passive network remaining in-circuit
Specifications are subject to change without notice, in accordance with our policy of continuously upgrading the performance of our products.