$4499.99 Buy It Now or Best Offer
free,30-Day Returns
Seller Store hi-fi.heaven
(13173) 99.1%,
Location: Green Bay, Wisconsin
Ships to: US,
Item: 115986576565
All returns accepted:ReturnsNotAccepted
NAD:NAD
Type:Power Amplifier
M28:M28
WE ARE AN AUTHORIZED NAD DEALER!PREOWNED – $5500 LIST! – FULLY TESTED – Complete and in great condition.M28 Seven Channel Power AmplifierThe Masters M28 Seven Channel Power Amplifier epitomizes the ultimate in what is possible with today’s amplification technology. It is one of the very first amplifiers to employ Purifi’s Eigentakt™ amplifier technology.Rated conservatively at 200W per channel (8 ohms) and well over 320W dynamic power (8 ohms; all channels driven), the result is breath-taking, lifelike surround sound performance, be it from the latest action-packed film with tremendous dynamics or a subtle classical piece with delicate and detailed passages. The M28 can accept both balanced and single-ended inputs, and features high-quality binding posts for speaker connection. The compact dimensions of this highly energy-efficient design belie the massive amount of power available for the most demanding music and movies. Completely immerse yourself in the moment with Purifi™.Purifi Eigentakt AmplificationThe Masters M28 uses Eigentakt™ amplifier technology, manufactured by NAD in license from Purifi. This new technology, which NAD was the first to embrace for the M33 Masters Series Streaming Amplifier, adds another level of precision by taking into account previously unknown effects of the output filter in the feedback loop and further refinement of the self-oscillating Class D technology as used by previous NAD Hybrid Digital designs. The result is a performance level that approaches the theoretical limit in measured performance, be it at whispering levels or at full power.In common with the previous generations of NAD Hybrid Digital technology but unlike most class D amplifier designs, the M28 is impervious to the loudspeaker load it is presented with, maintaining the same wide and even bandwidth response irrespective of the speaker’s impedance and at the same time providing high current capability. The continuous 200W into 8 ohms on tap for all channels driven at the same time and 700W dynamic powerinto 4 ohms is testament to this.Inherent to the Eigentakt™ technology is its very analogue-like behavior in the unlikely event the amplifier is driven into clipping. Whereas many class D designs can become unstable, Eigentakt™ behaves in a way similar to the benign way of clipping with instant recovery of well executed traditional class A/B amplifiers.The sonic character of the M28 only reinforces the story told by the numbers. This is an amazingly powerful and transparent amplifier bringing new levels of refinement and dynamics at any level.Fully Balanced AudioThe same efficient audio interface used by studios provides the highest level of signal integrity with the lowest noise floor.Locking connectors and special interface electronics allow long cable runs without noise pickup or signal loss. All you get is awesome sound without the possibility of noise pickup or interference.Effortless PowerAs our most powerful amplifier ever, the M28 can pump out over 700W into difficult loads to follow complex dynamic peaks in your movies and music. Everything from rim shots to asteroid explosions sound remarkably real and immersive. The M28 has power reserves to meet the demands of the latest high-resolution digital soundtracks. Thanks to the advanced Purifi Eigentakt™ amplifier technology, all this monster power comes at a lot less cost than traditional technology and delivers more power and performance!FTC power, two channels≥ 220 W (ref. rated THD, 8 Ohms , 20 Hz – 20 kHz, twochannels driven)≥ 400 W (ref. rated THD, 4 Ohms , 20 Hz – 20 kHz, two channels driven) Rated power, all channels≥ 200 W (ref. rated THD, 8 Ohms , 20 Hz – 20 kHz, allchannels driven) ≥ 340 W (ref. rated THD, 4 Ohms , 20 Hz – 20 kHz, all channels driven)Rated THD (250 mW to rated power, CCIF IMD, DIM 100)≤0.003 % (ref. 20 Hz – 20 kHz IHF dynamic power280 W 8 Ohms, (all channels driven) 560 W 4 Ohms, (one channel driven) Damping factor1.3 V (ref. rated power) Input impedanceInput Impedance (r and c)47 kΩ (Balanced) 23 kΩ (Single-ended)>118dB (ref. rated power) Damping Factor>750dB (ref. 8 Ohms, 50Hz and 1kHz) Frequency Response±0.1dB (ref. 20Hz-20kHz)-2.5dB at 3Hz and 100kHz Input Impedance47 kilohm (Balanced) Signal/noise ratio> 102dB (A-weighted ref. 1W, Balanced) > 97 dB (A-weighted ref. 1W, Single-ended) > 124 dB (A-weighted ref. rated power, Balanced) > 120 dB (A-weighted ref. rated power, Single-ended) Frequency response± 0.1 dB (ref. 20 Hz – 20 kHz) – 3 dB at 3 Hz to 60 kHz Time to go to Standby mode at no input signal≤ 30 minutes Standby power≤ 0.5W Gross dimensions WxHxD435 x 156 x 380 mm (17 3/16 x 6 3/16 x 15”) Shipping Weight 21.2 kg (46.7 lbs) Hi-Fi Heaven1549 Sixth StGreen Bay, WI 54304Contact us with your exact shipping address for accurate shipping cost.Larger speakers and items over 150lbs are strapped to a pallet and shipped via Freight including liftgate and residential delivery.We accept Pay-Pal or credit cards by contacting our store.We offer a 4% discount with payment by Zelle or check.Defective items are exchanged within 14 days from delivery.After 14 days, the manufacturer’s warranty will apply. Contact us for any assistance in obtaining warranty assistance.Defective item returns must be in the manufacturer’s original packaging, in like-new condition, including all packaging materials, shipped as-received and fully insured.Items are guaranteed to be as described.If a refund is desired, we will refund your full purchase price minus a 20% restocking fee.The item must be as received & unopened. Buyer pays return shipping costs.If you are having a problem, Please call before making a return claim on eBay.We do not offer free auditions or trials of merchandise.Returns will only be accepted for items that are truly defective.We use methods to detect product tampering.We will seek legal action against any individual or entity attempting to defraud us.Hi-Fi Heaven1549 Sixth StGreen Bay, WI 54304
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