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Combination Power Cord Jack and Fuse Holder 

– The removable power 

cord is attached here. To access the fuse holder, pull the holder out of the top 
of the power receptacle. Your unit was shipped with a spare fuse inserted in 
the fuse carrier. 

USE ONLY THE SAME SIZE AND TYPE FOR 

REPLACMENT. Using a fuse with a different rating than specified is a 
VERY BAD THING and can cause damage to your amplifier. 

All 

models come with a holder marked (FUSE) or (115/230) and are factory 
configured for 100/120/ 230/240 only and must be adapted by a service tech 
for any voltage change. 
 

Fuse Requirements: 
 

USA @ 120 Volts /60 HZ – 6 Amps, 5 x 20 mm GMC/T/slow blow 
Europe @ 240 Volts/50 Hz - 3 Amps, 5 x 20 mm GMC/T/slow blow 
Japan @ 100 Volts/60 Hz - 7 Amps, 5 x 20 mm GMC/T/slow blow 
 

 

IMPORTANT NOTE: Always use slow blow or time delay type fuses. 
Do not use fast blow fuses. 
 

To convert your amplifier from US to European fusing, remove the Fuse 
Holder and insert a 3 Amp slow blow fuse. Flip the fuse holder over and 
reinsert. 
 

IMPORTANT NOTE: In order to operate properly in other parts of the 
world, your amplifier may require minor modifications. These 
modifications must be made by a QUALIFIED technician. Contact your 
local distributor for further information. 
 
Speaker Outputs

 – These consist of two ¼ inch jacks and two NL-4 

connector (sometimes called a Speakon). The jacks are wired in parallel. The 
total speaker load impedance should not go below 2 ohms. On NL-4 
connectors, we use +1, -1 connections. 
 

Ground Lift Switch 

– This switch lifts the ground within the balanced 

output system to allow you to eliminate excessive noise/ground loops when 
connected to external systems. 
 

Summary of Contents for Nemesis NA650

Page 1: ...Nemesis Owners Manual NA650 Bass Guitar Amplifier THE LEADER IN BASS AMPLIFICATION 08 10 2005 by U S Music Corp...

Page 2: ...of headroom This amplifier also features a thermostatically controlled active cooling system with built in thermal safeties You have purchased what we feel is one of the finest bass amplifiers in its...

Page 3: ...manual in its entirety before operating your new amplifier Failure to do so could result in misuse or damage We ve taken the time to write it which was a lot longer than the time it will take for you...

Page 4: ...oducing sound levels that could cause permanent hearing loss DO NOT operate at high volume levels or at a level that is uncomfortable If you experience any discomfort or ringing in the ears or suspect...

Page 5: ...il you get the amount of compression you want You may find the bypass switch useful for getting that maximum punch when you are slapping or popping hard Gain Boost Switch Depressing this switch engage...

Page 6: ...ass type filter These controls give you a broad general control of the tone shaping D I Selector Allows the user to choose to send the D I either pre EQ or post EQ D I Level Controls the level being s...

Page 7: ...ooling System Your amplifier features a thermostatically controlled fan which will switch on when the internal temperature reaches 130 degrees F In low volume situations into 8 Ohm loads the fan may n...

Page 8: ...z 7 Amps 5 x 20 mm GMC T slow blow IMPORTANT NOTE Always use slow blow or time delay type fuses Do not use fast blow fuses To convert your amplifier from US to European fusing remove the Fuse Holder a...

Page 9: ...de a pre gain signal for connection to a tuner It can also be used to provide pre tone signal to other devices such as a direct box or console The signal is enough to provide adequate signal to virtua...

Page 10: ...is well worth it Once they ve done it a few times most users can do it time and again in about a minute IMPORTANT NOTE Before you plug in your unit for the first time please do the following things Fi...

Page 11: ...ou have disengaged the Compressor as we suggested the Set Level light will barely blink on your loudest notes when you reach clipping in the Input stage We recommend you decrease gain one or two click...

Page 12: ...Knob as some call it The Enhance circuitry adds very low bass upper mids and highs while scooping out a bit of low middle The more Enhance effect you dial in the greater the boost and cut As with all...

Page 13: ...o focus in on particular frequencies to achieve your desired tone We suggest you spend some time experimenting with these controls to learn more about how they can affect your sound Here s an easy way...

Page 14: ...the EQ settings that were so perfect at home lack definition in a live setting On the other hand the stage settings that worked so well sound harsh and or thin in the absence of other instruments Fre...

Page 15: ...If you are uncertain about your future needs always go with the 8 Ohm speaker option so that you can add another speaker later if you need to In general adding more speakers will give you a greater v...

Page 16: ...ted by connectors that have picked up debris from dirty stages cases etc This contamination can result in poor contact as well as poor tone and we all know that bad tone is a Very Bad Thing These poin...

Page 17: ...be glad to help you with any questions you may have about our gear Not to brag too much but we think our forum is a Really Neat Thing filled with Really Neat People We re pretty sure you ll think so...

Page 18: ...electronics com Eden Electronics C O U S Music Corp 444 E Courtland Rd Mundelein IL 60060 847 949 0444 847 949 8444 fax Eden Never Compromise Note for those who care This manual was written by David E...

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