Koch Loadbox 8
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Essential Information About the Koch Loadbox II
Essential Information About the Koch Loadbox II
- 120 Watt Continuous Attenuator with 7 power levels, allowing you to push a tube amp into its saturation zone without deafening the room
- Direct Box + Loadbox (dummy load) + Cabinet Simulator : a true all-in-one solution for stage and recording
- Transformer-balanced XLR DI + direct outputs and line output, adaptable to a mixing console, audio interface, or another amp
- Robust stainless steel chassis and level selection via jacks (reliable, no attenuation potentiometer)
Manufacturer Information
Koch
https://www.koch-amps.com
info@koch-amps.com
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A Koch "Multi-Tool" Designed to Get the Best Out of Your Amp
The Loadbox II follows Koch's philosophy: offering solid, musician-oriented tools that respect the amp's tone. Rather than trying to "recreate" an amp, it helps you exploit yours under the best conditions: power tubes working hard, richer grain, natural compression, and controlled final volume. With its dummy load function, it also allows you to play and record without a cabinet while maintaining a usable output for a PA system or studio.
Who It's For and Situations Where the Loadbox II Makes a Difference
This power attenuator is aimed at guitarists playing tube amps (combo or head) who want to regain the feel of a pushed amp in an apartment, rehearsal space, or small stage. It suits dynamic clean tones as well as blues crunch, classic rock, hard rock, up to heavy distortion, where the response of power tubes adds density and sustain. In the studio, it becomes a formidable partner for quick recording (DI/line outputs), doubling takes, or sending a signal to a console while keeping a cabinet at a reasonable volume.
Technical specifications
| Power handling | 120 MILLIWATT | Destination | effect pedal |
| Fictitious load | Yes | Headphone outputs | Yes |
| IR loader | No | Color | Grey |
| Type | Rackable case | Connections | XLR, Headphone mini-jack |
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Questions frequently asked
What impedance is the Koch Loadbox 8 designed for?
The Loadbox 8 version is designed for an 8-ohm impedance. This dummy load is also available in 4-ohm and 16-ohm versions.
Can the loadbox be used for silent headphone playing without a speaker cabinet?
The built-in dummy load allows the amplifier to be used without a connected speaker cabinet. A headphone output on a mini-jack with volume control is provided for silent practice. The DI XLR output and line output remain usable for recording or sound reinforcement.
What attenuation levels are available?
Seven fixed positions are offered: 100%, 40%, 15%, 5%, 2%, 1%, and 0%.
Does the DI output simulate a guitar speaker cabinet?
Selectable filters allow choosing between a 1x12 or 4x12 cabinet style, as well as on-axis or off-axis microphone positions. The DI XLR output is balanced and transformer-equipped.
Is it possible to connect a speaker cabinet and record simultaneously?
The 'multiple cabinets' section allows powering one or two speaker cabinets depending on the total impedance. Two unfiltered, unbalanced direct outputs at -10 dBv and 0 dBv are also available.
