Koch Amps LB120-II/8

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Koch Amps LB120-II/8

Koch Amps

LB120-II/8

4.9 Expert Rating

Product Info

Article Number: 195060
Model: LB120-II/8
Price: $409.20

* Prices may vary. Check retailer for current pricing and availability.

The Koch LB120-II/8 is a fantastic solution for getting serious volume from your amp at home or in the studio without sacrificing its inherent tone. It's a premium-priced loadbox that’s perfect for players with high-wattage tube amps who need to tame them for quieter environments while maintaining that signature crunch and responsiveness.

Product Description

Koch Amps LB120-II/8, Loadbox II, Power Attenuator 120 W, Air cooled, Speaker simulator and DI box, 8 Ohm version

PROS
  • • Excellent attenuation preserves amp's core character and dynamics.
  • • Air cooling prevents overheating during extended high-volume use.
  • • Integrated DI box offers clean, usable recording signal directly.
  • • Robust metal enclosure feels exceptionally well-built and durable.
CONS
  • • Relatively heavy, making portability a consideration for some users.
  • • Limited frequency shaping beyond basic attenuation levels.
  • • 8 Ohm impedance might not be ideal for all amp/speaker combinations.

Product Video

Key Features

Power Rating 120W
Impedance 8 Ohms
Controls Attenuation levels (0dB, -3dB, -6dB, -12dB), Master Volume, Speaker Simulator Tone Control
Reactive/Resistive Resistive
Speaker Output Speaker Simulator (emulates various speaker types)
Weight 33 lbs

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Frequently Asked Questions

The speaker simulator is a simpler emulation, lacking the complexity of IR loaders, but it provides a decent approximation for basic recording or live use scenarios.
While technically possible, the LB120-II/8 is designed for tube amps; using it with a solid-state amp isn’t recommended and may not yield optimal results.
Yes, the DI output is balanced and provides a clean, usable signal for direct recording into professional audio interfaces and mixing consoles.

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