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NHTPro's reference quality monitor for recording, editing and mastering. The M-20 features a newly designed gun-metal gray cabinet that adds additional bracing around the woofer and provides improved cabinet geometry for surround soundfields. As a direct descendant of the A-20, the M-20 utilizes the same sophisticated drive units, including a long-throw 6.5” woofer and a 1” aluminum dome tweeter, both of which are shielded. The aluminum dome tweeter relies on a microfabric surround at the edge termination and ferro-fluid in the voice coil gap for proper damping, removing all traces of the "ringing" associated with typical metal diaphragm designs. In addition, the tweeter's "under-hung" motor design reduces voice coil mass to ensure linear high frequency response and low distortion -- even at the highest listening levels. The woofer’s treated paper curvilinear cone design exceeds the rigidity of plastic cone designs without the inherent break-up modes experienced with the latter. NHT’s engineers minimized cone-related standing waves by mitering the edge of the cone at the surround joint. Included with each M-20 monitor is a single-rack-space, Class A/B 250 Watt control amplifier with front panel optimization controls (boundary proximity, distance proximity, input sensitivity) placed within reach of the listening position. A unique system status display illustrates AC line voltage, heat sink temperature, or average real-time sound pressure level. M-20 System Specifications: System Type: Modular, self-powered near/mid/far-field monitor Amplifier Power: 250W, 400W (100ms peak). Peak Acoustic Output @1M: 117dB SPL (100ms pink noise @ 1M). Residual Hum/Noise: THD @ 90 dB SPL: Response ± 2dB (1/3 oct. swept noise): 48Hz - 20KHz @ 1M, 45Hz - 20KHz @ 2M. -6dB LF Cutoff: 40Hz (in-room response). Shielded: Full Features/Controls: Connectors Input: XLR and TRS Output to monitor: XLR Controls Input sensitivity: 5 positions (-10, -3, +4, +11dBu, mute) Boundary proximity: 5 positions (0.0, 0.5, 1.0, 1.5, 2.0) Listening proximity: 5 positions (near/mid/far) Power: On, Off Display: SPL Output, Line VAC and Output device temperature Other: Matched impedance output cables included Weight and Dimensions: Monitor Dimensions (HxWxD): 35,5 x 20,3 x 23,9 Monitor Weight: 5 kg Control Unit Dimensions (HxWxD): 8,9 (1he) x 48,3 (19") x 27,4 Control Unit Weight: 10kg
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