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400M Power Amplifier

 

 

____________________________________________________________________________________ 

 

Unpacking 
 

The 

N

ē

o 400M 

Power Amplifier should be removed from its box with care.   

 
The following accessories should be included inside the box with your amplifier: 

 

9

   

AC power cable    

9

   This owner’s manual  

 

9

 

Warranty and product registration information 

(USA and Canada only) 

 

Once the 

N

ē

o 400M

 is unpacked, inspect it thoroughly and report any damage to your dealer immediately. We 

suggest that you keep all of the original packaging, storing it in a safe, dry place in case you’re required to 

transport this product. The customized packaging is specially designed to protect the 

400M 

from any potential 

damage during transit.   
 

 

Please write the serial number of your new 

N

ē

o 400M

 in the space provided below for future reference. 

 

Serial No.

: ________________ 

 
 

Installation & Placement 
 

The 

N

ē

o 400M

 Mono Power Amplifier requires 

reasonable ventilation to maintain an optimum and 

consistent operating temperature, especially since it 

will radiate heat when driven hard. Consequently, it 
should be placed in a location with empty space 

around it for proper heat dissipation. You should 

never place another component on top of this 

integrated amplifier. As well, it should be placed on 

a solid level surface. You should avoid placing it near 

a heat source or inside a closed cabinet that is not 

well ventilated as this could compromise the 

amplifier’s performance and reliability. The 

400M

 

uses a large toroidal transformer in its power supply; 

even though it is well shielded, you should not place 
this power amplifier too close to source components 

sensitive to EMI, such as turntables, phono 

preamplifiers and CD Players. Finally, y

ou should 

never place another component directly on top of 

this power amplifier. 

 

Summary of Contents for 400M

Page 1: ...Owner s Manual Series 400M Mono Power Amplifier ...

Page 2: ......

Page 3: ...nience receptacles and the point where they exit from the apparatus Unplug mains cord during transportation 11 Only use attachments and accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 U...

Page 4: ...nd rear panel serial number label will indicate the correct voltage Use of any other voltage will likely damage the unit and void the warranty 3 AC extension cords are NOT recommended for use with this product The mains plug of the power supply cord shall remain readily accessible 4 NEVER use flammable or combustible chemicals for cleaning audio components 5 NEVER operate the MOON 400M with any co...

Page 5: ...el Layout 8 Connecting the 400M 9 Balanced Operation 9 Operating the 400M 10 Remote Operation 11 Specifications 12 www simaudio com Simaudio Ltd 1345 Newton Road Boucherville Quebec J4B 5H2 CANADA Date Code 20140717 ____________________________________________________________________________________ ...

Page 6: ...nd emotion of music and build our products with the goal of faithfully capturing these elusive qualities The information contained in this manual is subject to change without notice The most current version of this manual is available on our official website at http www simaudio com Your Nēo 400M Mono Power Amplifier incorporates many significant design features to achieve its world class level of...

Page 7: ...ded below for future reference Serial No ________________ Installation Placement The Nēo 400M Mono Power Amplifier requires reasonable ventilation to maintain an optimum and consistent operating temperature especially since it will radiate heat when driven hard Consequently it should be placed in a location with empty space around it for proper heat dissipation You should never place another compo...

Page 8: ...LR connectors and store them in a safe place This jumper is required ONLY when using the single ended RCA input When you decide to switch to single ended input mode you must reinstall the XLR jumper between pins 1 and 3 exactly as shown below Figure 2 XLR connector without and with jumper accessory The left side of the rear panel has a pair of 12 Volt triggers each on a 1 8 mini jack one input and...

Page 9: ... can degrade the overall sonic performance of your system 3 Connect the supplied AC power cable to the IEC receptacle located on the amplifier s rear panel Ensure that the AC wall outlet you use has a functioning ground For the best sonic performance it is preferable that you plug your 400M directly into a dedicated AC outlet and avoid using an extension cord If you have the time and willingness c...

Page 10: ...powering your 400M on or off you should always power up your preamplifier prior to powering up your 400M As well always power down your 400M prior to powering down your preamplifier Troubleshooting Your Nēo 400M Mono Power Amplifier is equipped with a self diagnostic system that will automatically shut itself down when it detects either DC direct current or it enters into thermal protection mode d...

Page 11: ...via their respective 12V triggers The 12V trigger output on the 350P is connected to the 12V trigger input on the top 400M using a 1 8 mini jack cable The 12V trigger output from this 400M connects to the 12V trigger input on the bottom 400M also using a 1 8 mini jack cable When you turn on the 350P using a remote control or its Standby button both 400M s will turn on automatically The same rule a...

Page 12: ...60V µs Maximum Current Peak 56 amperes Maximum Current Continuous 26 amperes Intermodulation Distortion Unmeasureable THD 20Hz 20kHz 1 watt 0 02 THD 20Hz 20kHz 400 watts 0 05 Power Consumption idle 36 Watts AC Power Requirements 120V 60Hz or 240V 50Hz Shipping Weight 33 lbs 15 Kgs Dimensions W x H x D inches 16 9 x 3 5 x 14 0 Balanced Pin Assignment Pin 1 Ground Pin 2 Positive Pin 3 Negative 12 Vo...

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