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TECHNICAL SUPPORT 

Monoprice is pleased to provide free, live, online technical support to assist you with any 
questions you may have about installation, setup, troubleshooting, or product 
recommendations. If you ever need assistance with your new product, please come online 
to talk to one of our friendly and knowledgeable Tech Support Associates. Technical 
support is available through the online chat button on our website www.monoprice.com 
during regular business hours, 7 days a week. You can also get assistance through email by 
sending a message to [email protected] 
 

SPECIFICATIONS 

Model 

18513 

Audio Inputs 

Stereo analog RCA 

Audio Outputs 

Buffered stereo analog RCA loop output 

Output Power 

50 watts/channel into 8 ohms with < 0.1% THD+N or  
65 watts/channel into 4 ohms with < 0.1% THD+N or 
120 watts into a single 8-ohm load with < 0.1% THD+N 

Maximum Speaker Wire Size 

12 AWG 

Minimum Output Impedance 

4 ohms in stereo mode 
8 ohms in mono bridged mode 

Trigger Input 

12 VDC, 10 kΩ 

Trigger Output 

12 VDC, 100mA 

Input Power 

100 ~ 240 VAC, 50/60 Hz, 2.5A 

Standby Power Consumption 

≤ 0.5 watts 

Dimensions 

8.5" x 10..5" x 1.8" (216 x 267 x 45 mm) 

 
 

 

Summary of Contents for 18513

Page 1: ...Unity 100 watt Bridgeable Power Amp P N 18513 User s Manual ...

Page 2: ... Front Panel 6 Rear Panel 6 THERMAL PROTECTION 7 SHORT CIRCUIT PROTECTION 7 MOUNTING OPTIONS 8 Stand Alone Setup 8 Single Rack Mount Setup 8 Dual Rack Mount Setup 9 STEREO INSTALLATION 9 MONO BRIDGED INSTALLATION 12 TECHNICAL SUPPORT 14 SPECIFICATIONS 14 REGULATORY COMPLIANCE 15 Notice for FCC 15 Notice for Industry Canada 15 ...

Page 3: ...not modify the plug or use a cheater plug to bypass the ground connection Do not expose this device to excessively high temperatures Do not place it in on or near heat sources such as a fireplace stove radiator etc Do not leave it in direct sunlight This device ventilates excessive heat through the slots and openings in the case Do not block or cover these openings Ensure that the device is in an ...

Page 4: ... loop line output of the original signal for driving another power amplifier in distributed whole house audio systems The amp can be configured for always on signal detection or triggered power on status It also includes a 12 volt trigger output for controlling other devices FEATURES Class D amplifier providing 50 watts channel RMS into 8 ohm loads or 65 watts channel into 4 ohm loads Bridgeable o...

Page 5: ...ice com during normal business hours Mon Fri 5am 7pm PT Sat Sun 9am 6pm PT or via email at support monoprice com PACKAGE CONTENTS Please take an inventory of the package contents to ensure you have all the items listed below If anything is missing or damaged please contact Monoprice Customer Service for a replacement 1x 100 watt stereo power amplifier 1x AC power cord NEMA 5 15 to IEC 60320 C13 1x...

Page 6: ...When using bridged mode the mono input should be connected to the L input 4 Line Out Stereo buffered loop line output of the original signal for connecting additional amplifiers 5 Volume Gain control to limit the maximum volume level 6 Output Selection Switch to configure the type of output When in the Bridged position the amplifier can be bridged for more power into a single 8 ohm load The 8 ohm ...

Page 7: ...res When connecting a single speaker in bridged mode the negative lead should be attached to L and the positive lead to R It can accept speaker wire up to 12 AWG 10 AC IN IEC 60320 C14 panel connector for attaching the included power cord THERMAL PROTECTION The amplifier monitors its temperature and will activate the thermal protection circuit if the temperature exceeds a safe limit This can occur...

Page 8: ...rom scratches and will prevent any incidental noise from vibration Single Rack Mount Setup Perform the following steps to install a single amplifier into a 19 equipment rack 1 Using three of the button head screws attach one short rack mount ear to one side of the amplifier with the flat side flush with the front panel 2 Using the remaining three button head screws attach the long rack mount ear t...

Page 9: ...ee button head screws 4 Using rack mount screws not included secure the two rack mount ears to the rack mount STEREO INSTALLATION 1 Ensure that all equipment to be connected is powered off and unplugged from its power source prior to making any electrical or audio connections 2 Place the amplifier in its intended location 3 Using a 1 8 flat head screwdriver loosen the four screws on the Speaker 9 ...

Page 10: ...f your controller 10 Optional Using a 3 5mm cable not included plug one end into the trigger input of a device you want to control using the amplifier then plug the other end into the Trigger Out 8 11 If you connected 8 ohm speakers set the Output Selection 6 switch to the 8Ω position If you connected 4 ohm speakers set it to the 4Ω position 12 Set the Power Selection 7 switch to the On Auto or Tr...

Page 11: ...ock into the two loops Position the anchor over the boot of the power cord connector so that it cannot accidentally disconnect from the amplifier 17 Flip the Power Switch 1 to the On position 18 Plug in and power on your audio source device then start audio playback 19 Set the volume control on your preamplifier television or other audio source device to the maximum position 20 Using a 1 8 flat he...

Page 12: ...ive lead of the speaker wire to the negative input on your speaker then connect to the positive lead to the positive input 6 Using a single conductor RCA cable not included plug one end into the L connector on the Line In 3 then plug the other end into one of the analog stereo outputs on your preamplifier television or other audio source device 7 Optional Using a second single conductor RCA cable ...

Page 13: ...C13 connector on the included AC power cord into the C14 Power In 10 connector then plug the other end into a nearby AC power outlet 15 Optional Squeeze both sides of the included power cord anchor insert the two ends into the two loops above the Power In 10 connector then release the anchor so the two ends lock into the two loops Position the anchor over the boot of the power cord connector so th...

Page 14: ...ness hours 7 days a week You can also get assistance through email by sending a message to tech monoprice com SPECIFICATIONS Model 18513 Audio Inputs Stereo analog RCA Audio Outputs Buffered stereo analog RCA loop output Output Power 50 watts channel into 8 ohms with 0 1 THD N or 65 watts channel into 4 ohms with 0 1 THD N or 120 watts into a single 8 ohm load with 0 1 THD N Maximum Speaker Wire S...

Page 15: ...protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interferenc...

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