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Related Manuals for Randall KH103
Summary of Contents for Randall KH103
- Page 1 OPERATION MANUAL...
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Page 2: Front And Rear Controls
Congratulations on the purchase of your new RANDALL MODEL KH103 Amplifier! We at Randall Amplification appreciate that you chose the KH103 Amplifier and wish you years with tons of gain, great tone and enjoyable playing time. Engineered by world renowned amp guru, Mike Fortin, this amplifier is the result of countless hours of listening tweaking and perfecting the tight and relentless attack that this collection of channel circuits deliver. - Page 3 Three Channels of Pre-amp - overview:! CHx: Selects your channel and GAINx , BRIGHT switch, and VOLx. GAINx: Overall gain control. BRIGHT: 3 way high frequency boost that becomes less active as GAINx control is increased. VOLx: Channel volume control to balance output between other channels. It affects the SEND levels of the FX LOOP. BASS: Passive interactive low frequency equalization for CHx. ...
- Page 4 VOICING L: For Channel 1, there is always 3 stages of tube gain to keep the harmonic content, voicing L scoops out the mids. For Channels 2 & 3, it selects 2 preamp gain stages. This is excellent for players that love that wide open, late 60’s vibe. This is the lowest gain setting of the KH103. The BOOST switch is inactive in this mode. With the GAIN control setting at 11 o’clock and lower, in conjunction with MASTER volume set beyond 2 o’clock, will give you some stellar clean tones with loads of dynamics.
- Page 5 FX LOOPS Functions:! SERIES FX LOOP: This basically works as an insert patch point. The SEND jack plugs into the effects unit’s input jack. The RETURN jack plugs into the effects unit’s output jack. The audio path of the amplifier is interrupted and 100% of the signal is being sent to the SEND jack. It must be noted that when nothing is plugged into the SERIES selected FX LOOP and the FX switch is in the on, no sound will be heard out of the speakers.
- Page 6 Only a small volume reduction and slight tonal change will occur. Biasing the KH103 amp is simple and does not require removal of the chassis. You will need a simple voltmeter or digital multimeter set to the lowest DC voltage range, typically 200mV (millivolts).
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Page 7: Midi Controls
TUBE LAYOUT! Preamp tubes left to MIDI CONTROLS! right (with control panel facing you):! KH103 is preset to MIDI V1 12ax7 CH3 input! Channel 1. The 2 outside V2 12ax7 CH3 2nd&3rd stages! pins of the MIDI IN 7 pin! V3 12ax7 CH3 4th&CF stages! - Page 8 US Music Corp or any Authorized Randall Service Center within the U.S.A. Randall reserves the right to use materials readily...
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