KGA30
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1.) CD/Tape Input - this 1/4” 3 conductor jack will allow you to plug in a CD player, tape or any other source to practice along with. It sums the left and right signals into a mono signal. To control the volume of the source, adjust the output volume of the device. We suggest you turn the volume all the way down then plug in and adjust the volume according to your taste.
2.) Guitar Input Jack - this is a 1/4” 2 conductor input jack for plugging in your instrument. It is intended for guitars but will accept other instruments as well.
3.) Lead Gain - adjust this clockwise to increase the amount of distortion you add to the overdrive signal. Used in the lower ranges of the control, you get a less distorted sound, a “bluesy” tone. As you increase the gain, you add tremendous amounts of distortion to the signal for a harder edged “crunch” tone.
4.) Channel Switch - this switch selects which preamp you are using. It will switch between the Rhythm and Lead channels.
5.) Lead Volume - this control is the output volume control for the Lead Channel. It follows the same tone circuit as the other channel. It’s gain structure is determined by the lead gain control but this serves as the overall master volume for this channel.
6.) Rhythm Level - this is the volume control for the clean channel. It’s gain structure is preset for maximum signal before distortion and determines the output level of the amp.
7.) Bass - this control is the bass control. It is passive and set to shelve frequencies at 65 Hz. This will effect the low frequency signals. Turning it fully clockwise, the signal is left alone. Turning it counterclockwise, the lows will be rolled off.
8.) Mid - this control is the midrange control. It is passive and set to shelve frequencies at 1KHz. This will effect the middle frequency signals. Turning it counterclockwise, your signal will “hollow out” the mids which is popular in today’s music.
9.) High - this control is the high control. It is passive and set to shelve frequencies at 5KHz. This will effect the high frequency signals. Turning it fully clockwise, the signal is left alone. Turning it counterclockwise, the highs will be rolled off.
10.) Reverb Level - this control adds the spring reverb and mixes it into the main signal buss. Reverberation creates a trail like effect with the sound. It lets the notes “hang in the air” longer, extending the sound.
11.) Chorus On/Off Switch - this is the switch to turn on and off the chorus circuit.
12.) Chorus Level - this is the Speed Control for the chorus circuit.
13)Headphone Jack - this is a 1/4” 3 conductor jack for plugging headphones. It will sum the signal and put the sound in both ears, thereby creating a
14.) Jewel Light - this jewel light lets you know that the amplifier is on.
15.) Power - this switch turns on and off the AC power to the amp.
Back Panel - (not pictured)
Speaker Out - this is a 2 conductor 1/4” speaker output jack. This will disconnect the internal speaker and allow an external speaker cabinet to be employed. Rating is 8 ohms.
Line Output - this is a 2 conductor 1/4” line output jack. This will allow an external amplifier or mixing board to be supplied with the signal from this amp. This signal is attenuated and comes from the power amp.
Effects Loop I/O - these are
Footswitch Jack - this is a 3 conductor 1/4” jack. This is for hooking up a footswitch to switch channels and to turn on/off the chorus.
