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ENGLISH

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•  Read instructions 

- All the safety and operating instructions should be read 

before the product is operated.

•  Retain instructions 

- The safety and operating instructions should be retained 

for future reference. 

•  Heed Warnings 

- All warnings on the product and in the operating instructions 

should be adhered to. 

•  Follow Instructions 

- All operating and use instructions should be followed.

• Cleaning 

- Unplug this product from the wall outlet before cleaning. Do not use 

liquid cleaners or aerosol cleaners. Use a dry cloth for cleaning. 

• Attachments 

- Do not use attachments not recommended by the product 

manufacturer as they may cause hazards. 

•  Water and Moisture 

- Do not use this product near water-for example, near a 

bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a 
swimming pool; and the like. 

• Accessories 

- Do not place this product on an unstable cart, stand, tripod, 

bracket, or table. The product may fall, causing serious injury to a child or adult 
and serious damage to the product. Use only with a cart, stand, tripod, bracket, 
or table recommended by the manufacturer, or sold with the product. Any 
mounting of the product should follow the manufacturer’s instructions, and 
should use a mounting accessory recommended by the manufacturer. 

• Cart 

- A product and cart combination should be moved with care. 

Quick stops, excessive force, and uneven surfaces may cause the 
product and cart combination to overturn. 

• Ventilation 

- Slots and openings in the cabinet are provided for ventilation 

to ensure reliable operation of the product and to protect it from overheating. 
These openings must not be blocked or covered. The openings should never be 
blocked by placing the product on a bed, sofa, rug, or other similar surface. This 
product should not be placed in a built-in installation such as a bookcase or rack 
unless proper ventilation is provided or the manufacturer’s instructions have been 
adhered to. 

•  Power Sources 

- This product should be operated only from the type of power 

source indicated on the marking label and connected to a MAINS socket outlet 
with a protective earthing connection. If you are not sure of the type of power 
supply to your home, consult your product dealer or local power company. 

•  Power–Cord Protection 

- Power-supply cords should be routed so that they 

are not likely to be walked on or pinched by items placed upon or against them, 
paying particular attention to cords at plugs, convenience receptacles, and the 
point where they exit from the product. 

•  Mains Plug 

- Where the mains plug or an appliance coupler is used as the 

disconnect device, the disconnect device shall remain readily operable.

•  Outdoor Antenna Grounding 

- If an outside antenna or cable system is 

connected to the product, be sure the antenna or cable system is grounded so 
as to provide some protection against voltage surges and built-up static charges. 
Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information 
with regard to proper grounding of the mast and supporting structure, grounding 
of the lead-in wire to an antenna discharge unit, size of grounding conductors, 
location of antenna discharge unit, connection to grounding electrodes, and 
requirements for the grounding electrode. 

• Lightning 

- For added protection for this product during a lightning storm, or 

when it is left unattended and unused for long periods of time, unplug it from the 
wall outlet and disconnect the antenna or cable system. This will prevent damage 
to the product due to lightning and power-line surges.

•  Power Lines 

- An outside antenna system should not be located in the vicinity 

of overhead power lines or other electric light or power circuits, or where it can 
fall into such power lines or circuits. When installing an outside antenna system, 
extreme care should be taken to keep from touching such power lines or circuits 
as contact with them might be fatal. 

• Overloading 

- Do not overload wall outlets, extension cords, or integral 

convenience receptacles as this can result in a risk of fire or electric shock.

•  Flame Sources 

- No naked flame sources, such as lighted candles, should be 

placed on the product.

•  Object and Liquid Entry 

- Never push objects of any kind into this product 

through openings as they may touch dangerous voltage points or short-out parts 
that could result in a fire or electric shock. Never spill liquid of any kind on the 
product. 

• Headphones 

- Excessive sound pressure form earphones and headphones can 

cause hearing loss.

•  Damage Requiring Service 

- Unplug this product from the wall outlet and refer 

servicing to qualified service personnel under the following conditions: 

– 

When the power-supply cord or plug is damaged. 

– 

If liquid has been spilled, or objects have fallen into the product. 

– 

If the product has been exposed to rain or water. 

– 

If the product does not operate normally by following the operating 
instructions. Adjust only those controls that are covered by the operating 
instructions as an improper adjustment of other controls may result in 
damage and will often require extensive work by a qualified technician to 
restore the product to its normal operation. 

– 

If the product has been dropped or damaged in any way. 

– 

When the product exhibits a distinct change in performance-this indicates a 
need for service. 

•  Replacement Parts 

- When replacement parts are required, be sure the service 

technician has used replacement parts specified by the manufacturer or have the 
same characteristics as the original part. Unauthorized substitutions may result in 
fire, electric shock, or other hazards. 

•  Battery Disposal 

- When disposing of used batteries, please comply with 

governmental regulations or environmental public instruction’s rules that apply in 
your country or area.

•  Safety Check 

- Upon completion of any service or repairs to this product, ask the 

service technician to perform safety checks to determine that the product is in 
proper operating condition. 

WARNING

The lightning flash with arrowhead symbol, within an equilateral 
triangle, is intended to alert the user to the presence of uninsulated 
“dangerous voltage” within the product’s enclosure that may be of 
sufficient magnitude to constitute a risk of electric shock to persons

The exclamation point within an equilateral triangle is intended to alert the user to 

the presence of important operating and maintenance (servicing) 
instructions in the literature accompanying the appliance.

CAUTION REGARDING PLACEMENT 

To maintain proper ventilation, be sure to leave a space around the unit (from the 
largest outer dimensions including projections) than is equal to, or greater than 
shown below. 

 

Left and Right Panels: 10 cm 

 

Rear Panel: 10 cm 

 

Top Panel: 10 cm 

Do not install near any heat sources such as radiators, heat registers, stoves, or other 
apparatus (including amplifiers) that produce heat. 

Do not defeat the safety purpose of the polarized or grounding - type plug. A 
polarized plug has two blades with one wider than the other. A grounding type plug 
has two blades and a third grounding prong. The wide blade or the third prong is 
provided for your safety. When the provided plug does not fit into your outlet, consult 
an electrician for replacement of the obsolete outlet.

The apparatus should only be used in moderate climates.

IMPORTANT SAFETY INSTRUCTIONS

 

 

 

Summary of Contents for M28

Page 1: ...Owner s Manual Seven Channel Power Amplifier M28 NAD M28 ENGLISH FRAN AIS ESPA OL ITALIANO DEUTSCH NEDERLANDS SVENSKA...

Page 2: ...An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing...

Page 3: ...appliance with a protective earth terminal should be connected to a mains outlet with a protective earth connection RESPONSIBLE PARTY Lenbrook International 633 Granite Court Pickering ON L1W 3K1 Can...

Page 4: ...external source s volume control according to desired listening level SAVE THE PACKAGING Please save the box and all of the packaging in which your M28 arrived Should you move or otherwise need to tra...

Page 5: ...ANDBY The M28 can be setup to automatically go to standby mode if there is no active source input within 30 minutes Auto standby mode can be enabled or disabled by the following steps Enable Auto Stan...

Page 6: ...SINGLE ENDED input ports 2 SINGLE ENDED Use single ended analog audio input for sources preamplifiers or processors that are not equipped with BALANCED analog audio output With SINGLE ENDED as the sel...

Page 7: ...o the amplifier and may void the warranty 8 SPEAKER The M28 is equipped with gold plated color coded transparent and special high current binding post speaker terminals Connect FRONT L FRONT R CENTER...

Page 8: ...the rear panel Unplug the mono plug No sound No input signal applied through the analog audio input ports Check that there is active input signal applied through the analog audio input ports External...

Page 9: ...Damping factor 750 ref 8 ohms 50 Hz and 1 kHz Input sensitivity 1 3V ref rated power Input impedance 47 kohms Balanced 23 kohms Single ended Signal noise ratio 102dB A weighted ref 1W Balanced 97 dB A...

Page 10: ...onal a division of Lenbrook Industries Limited No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International While eve...

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