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© 2017 Sound City® Amplification. All rights reserved. Specifications subject to change without notice.

INPUTS & MASTER VOLUME

The Sound City MASTER VOLUME is noticeably different than the typical master volume you’re probably used 

to, and this is important in understanding how to unlock the beast within. A typical master volume is usually set 

low to limit and manage the volume of a very high gain cascaded preamp stage. On the Master Series amps, 

it is best to think of the master volume as a volume that controls the other volumes, similar to a PA mixer, for 

example.
Assuming you will jump the channels, you will set the input volumes for your desired tonal balance and then 

set the master volume for the desired output level. The lower the master, the cleaner the amp will sound, the 

higher the master, the louder and more overdriven the amp will become as you begin to push the output 

stage into saturation.
As you will see, by experimenting with combinations of settings you can cover an awful lot of tonal territory 

before you even begin to start thinking about tone control settings. See page 9 for sample settings.

NORMAL

NORMAL

1

2

3

4

BRILLIANT

BRILLIANT

MASTER

VOLUME

INPUTS

NORMAL

NORMAL

1

2

3

4

BRILLIANT

BRILLIANT

MASTER

VOLUME

INPUTS

Input for guitars with humbuckers

When using humbucking pickups with 

enhanced midrange output, plug into 

Input 2, and jump Inputs 1 and 4. Push 

the normal volume more than the bril-

liant volume. 

Input for guitars with single coils

When using single coil pickups, plug 

into Input 4, and jump Inputs 2 and 

3.  Push the brilliant volume more than 

the normal volume.

Different combinations of NORMAL and BRILLIANT volume control settings will have a dramatic effect on the 

response of the amplifier and the personality of your instrument. Once you get familiar with the action of these 

controls and you’ll be amazed at how easy it is to make any guitar sound mellow, fat, soulful or aggressive.

TRY THESE BASIC SETTINGS SUGGESTIONS AS A STARTING POINT

Summary of Contents for Master Lead 50

Page 1: ...OWNERS MANUAL Master Lead 50 NORMAL NORMAL 1 2 3 4 BRILLIANT BRILLIANT MASTER TREBLE MIDDLE BASS PRESENCE ON STANDBY MAINS VOLUME INPUTS www soundcityamp com...

Page 2: ...ndstage for your favorite vintage and modern stomps The Master Series preamp section has a broad dynamic range which accounts for its extra touch sensitivity and excellent guitar volume response In ad...

Page 3: ...afety feature If you are unable to insert the plug into the outlet contact an electrician to replace your obso lete outlet Do not defeat the safety purpose of this plug X X Protect the power supply co...

Page 4: ...e the delivers deep low end and a subtle top end sparkle As you increase the volume the tonal balance develops a fatter smoother character This stage is ideal for dialing in a big dynamic punch that c...

Page 5: ...to saturation As you will see by experimenting with combinations of settings you can cover an awful lot of tonal territory before you even begin to start thinking about tone control settings See page...

Page 6: ...IANT VOLUME Sets the volume of the brilliant gain stage This first gain control also serves as a tone shaping control counter clockwise for clean and bright clockwise for snappy and mid focused 5 MAST...

Page 7: ...ith type and rating specified on the rear panel of your amplifier Warning Replace only with same fuse type and rating 4 LINE OUTPUT This is a padded down speaker output signal for use with slaving or...

Page 8: ...es is not recommended Factory recommended tubes are listed under each location Numbering sequence is right to left looking at back of amp starting with the row closest to front panel of amp Tube No Fa...

Page 9: ...DLE BASS PRESENCE ON STANDBY MAINS VOLUME INPUTS NORMAL NORMAL 1 2 3 4 BRILLIANT BRILLIANT MASTER TREBLE MIDDLE BASS PRESENCE ON STANDBY MAINS VOLUME INPUTS NORMAL NORMAL 1 2 3 4 BRILLIANT BRILLIANT M...

Page 10: ...the effects loop is engaged and the level turned down 5 Check speaker cable to see if it is disconnected or shorted 6 Make sure that the impedance selector is fully engaged in its detent 7 Check the s...

Page 11: ...hat all of our products are compliant with European Union Directive EC1907 206 for the Registration Evaluation Authorization and Restriction of chemicals REACh and contain none or less than 0 1 of the...

Page 12: ...ntrol of SCA including but not limited to any malfunction defects or failure caused by or resulting from unautho rized service or parts damaged or broken tubes incorrect line voltage improper maintena...

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