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Old 08-25-2009, 03:21 PM   #1
4th Gear Member
Join Date: Dec 2004
Location: GTA
Posts: 682
NAD Master Series M15 Preamp/Processor

Mint about 3 months old with receipt for full warranty. This a truly a great sounding piece whether used as a DAC (Wolfson Dual Differential), preamp or processor with absolutely top of the line components.


Premium parts from renowned suppliers like Burr Brown, Wolfson and AKM, are used in classic NAD circuit configurations to provide the low distortion and sonic realism NAD is famous for. With full 24 bit 192kHz analog-to-digital and digital-to-analog conversion, the M15 can fully exploit the best source material available today and for the foreseeable future. Unusually, the M15 uses multiple two-channel DACs rather than the 8 channel DACs favored by many of today’s surround sound processors. We have found that the sonic performance of the two-channel DACs used in a dual differential mode, is well worth the extra cost of this configuration.

Unprocessed analog inputs, whether stereo or via the 7.1 input, remain in the analog mode, sometimes known as ‘bypass’ mode. If a digital processing mode is selected, these signals are digitized using a 128x over-sampling Sigma/Delta ADC that employs a linear phase digital anti-aliasing filter to prevent any trace of ripple in the audio band. This superb quality ADC operates at 192MHz and full 24 bit resolution.

* THX Ultra 2 Certified
* 6 AV Inputs with Composite and S-Video
* 3 HD Component Video Inputs
* 4 Coax and 4 Optical Digital inputs
* 4 Analog Stereo Inputs
* Tape Monitor
* 7.1 Direct Analog Input
* Dolby Digital EX, ProLogic IIx (movies and music), DTS ES, DTS 96/24, Neo:6, THX EX, THX Cinema, THX Music, EARS, Enhanced Stereo, Stereo Bypass
* Video upconversion; Composite and S-Video inputs available on Component Video output
* HDMI connection - 2 inputs, 1 output
* OSD available on Component Video output
* OSD chip is completely bypassed when not selected
* "Direct" Component Video output without OSD
* Lip sync compensation - (option to 100mS)
* Flexible Bass Management including individual crossover frequencies for Front, Center, and Surround speakers
* Digital domain tone controls with center channel "dialog" control
* RS-232 interface for advanced custom installations
* 12V Triggers for advanced control options, 1 In and 3 Out
* 3.5mm IR Control jacks, 1 In and 2 Out
* Second zone AV output with zone OSD available
* Four dual differential 24 bit, 192 kHz DACs
* Dynamic Headroom Scaling for optimum resolution and S/N ratio for all program and decoding combinations
* Linear Power Supply with custom Toroidal transformer with proprietary shielding to eliminate EMF leakage
* Switched AC Outlet
* Detachable AC cord
* 8 Device HTR M Illuminated Learning Remote control with LCD display
* ZR 2 Second Zone Remote

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