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The Randall KH103 is the 3-channel, 120-watt all-tube guitar amplifier head Kirk Hammett of Metallica plays on stage and in the studio, running nine 12AX7 preamp tubes into four individually biasable 6L6 power tubes, with three gain voicing modes per channel, dual MIDI-switchable master volumes, and two MIDI-switchable tube-driven effects loops. Engineered with Mike Fortin, it is the flagship of the Randall line.
What Are the Key Specs of the Randall KH103?
| Power | 120 watts, all-tube |
| Channels | 3, with 3 gain voicing modes each |
| Preamp | 9 x 12AX7/ECC83 |
| Power tubes | 4 x 6L6 with individual bias settings |
| MIDI | Dual MIDI-switchable master volumes, 2 x MIDI-switchable tube loops, 7 MIDI-assignable functions per channel |
| Controls | 2 x Master Volume, Boost, Voicing, 3 x Volume, Gain, Bass, Middle, Treble, Depth, Presence |
| Impedance | 4, 8, or 16 ohms |
| Footswitch | 3-button MIDI footswitch included |
What Connections Does the KH103 Have?
| Inputs | 1 x 1/4 inch guitar input; MIDI input; 2 x FX returns |
| Outputs | 5 x speaker jacks (4/8/16 ohm); Line out with level control; MIDI thru; 2 x FX sends |
Key Features
- Kirk Hammett's actual touring amp: the same model on Metallica stages worldwide
- Nine voicings from three channels: 3 gain modes per channel cover clean to maximum saturation
- Full MIDI integration: master volumes, both loops, and 7 functions per channel switch from any MIDI controller
- Two tube-driven loops: MIDI-switchable, series/parallel capable
- Individual power tube bias: dial in each 6L6 separately
Who Is the KH103 For?
The KH103 is for professional and serious players building MIDI-switched rigs who want arena-verified tube high gain. It rewards players who will actually use its programmability; if you want simpler operation, the Thrasher covers similar ground with knobs alone.
Frequently Asked Questions
Is this the actual amp Kirk Hammett uses?
Yes, the KH103 is the model he plays live and in the studio with Metallica.
How does MIDI switching work on the KH103?
A MIDI controller such as the Randall RF8 can switch channels, both master volumes, both effects loops, and seven assignable functions per channel.
What footswitch is included?
A 3-button MIDI footswitch comes with the amp.
Can I bias the power tubes myself?
Yes, all four 6L6s have individual bias settings.
Is this item in stock?
This is a special order item. Place your order and our team will personally confirm your ship date within 2 business days. You will never be left guessing.
Is Victory Musical Instruments an authorized Randall dealer?
Yes. Every Randall product we sell is brand new, sourced through authorized U.S. distribution, and carries the full manufacturer warranty.
Need help choosing? Contact us and talk to a real person at Victory Musical Instruments in Miami.