Tower Speaker Reviews

M6 4-driver, acoustic-suspension speaker
Drivers: 1" aluminum-dome tweeter, 4" laminated-cone midrange, two 6½" laminated-cone woofers
Frequency response: 61Hz-30kHz
Low-frequency cutoff: 45Hz (-6dB)
Crossover frequencies: 400Hz, 2.3kHz
Crossover slopes: 12dB/octave, high- and lowpass
Impedance: 6ohms nominal, 4.2ohm minimum
Sensitivity: 86dB/W/m
Power handling: 250W RMS (400W peak)
Recommended amplifier power: 200W
Dimensions: 20" x 8.25" x 10.25" (HxWxD)
Weight: 32 lbs
Price: $600 each; P6 stands, $400/pair

B6 2-driver, acoustic-suspension subwoofer module
Drivers: two 12" aluminum cones
Frequency response: 26-140Hz
Low-frequency cutoff: 24Hz (-6dB)
Impedance: 6ohms nominal, 4.5ohms minimum
Power handling: 250W RMS (500W peak)
Recommended amplifier power: 250W
Dimensions: 27.1" x 8.25" x 23.65" (HxWxD)
Weight: 71 lbs
Price: $1650/pair (normally sold as part of the 2-channel T6 Tower System package for $4000: two M6s, two B6s, one X1 bass manager/active crossover, two A1 amplifiers)

A1 monoblock amplifier
Power output: 250W RMS into 6ohms, 300W RMS into 4ohms (both at rated distortion)
Distortion: <0.01%, 20Hz-1kHz; <0.075%, 1kHz-20kHz
Signal/noise: 100dB (unweighted)
Input impedance: >10kohms
Damping factor: >100 into 6ohms
Gain: 27dB (full output)
Inputs: balanced (XLR), single-ended (RCA)
Power consumption: 600W max, <3W standby
Dimensions: 2.125" x 17" x 11.5" (HxWxD)
Weight: 18 lbs
Price: $400 each

X1 active crossover
Frequency responses/crossover frequency: Lowpass (through L/R input): 20Hz-140Hz, +/-3dB; continuously variable, 50-140Hz @ 12dB/octave
Highpass (selectable): 50/80/110Hz-100kHz, +/-3dB; 12dB/octave
Lowpass through LFE input: 20-220Hz, +/-3dB; fixed
Distortion at 1V output: <0.01% lowpass @ 100Hz, <0.001% highpass @ 1kHz
Signal/noise: >105dB at highpass output, >100dB at subwoofer output
Inputs/outputs: balanced (XLR), single-ended (RCA)
Power consumption: 3W
Dimensions: 2.125" x 17" x 11.5" (HxWxD)
Weight: 91 lbs
Price: $350

System
Finish: Black Anthracite
Price: $6200 as reviewed: two T6 Tower Systems, three M6s for center & surrounds, two P6 pedestal stands for surrounds

Manufacturer
NHT
527 Stone Road
Benicia, CA 94510
tel. (800) 648-9993
fax (707) 748-5945
www.nhthifi.com