Koch Amps LB120-II/16

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Koch Amps LB120-II/16

Koch Amps

LB120-II/16

4.4 Expert Rating

Product Info

Article Number: 195061
Model: LB120-II/16
Price: $416.90

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

The Koch LB120-II/16 is a seriously well-built attenuator that'll tame high-wattage amps while retaining a lot of their character. It's a great solution for players needing volume control in apartments or studios, and that DI output is a real bonus for recording. Ideal for players with heads in the 50-100W range who want a premium attenuator without going completely broke.

Product Description

Koch Amps LB120-II/16, Loadbox II, Power attenuator 120 W, Air cooled, Speaker simulator and DI box, 16 Ohm version

PROS
  • • Excellent air-cooling prevents overheating during extended use.
  • • The built-in speaker simulator delivers surprisingly realistic amp tones.
  • • Robust steel chassis feels exceptionally solid and durable.
  • • DI output provides a clean, usable signal for recording or live sound.
CONS
  • • Relatively heavy, making transport a bit cumbersome for solo players.
  • • 16 Ohm impedance limits compatibility with some amplifier heads.
  • • Speaker simulation, while good, isn't a substitute for a real speaker.

Product Video

Key Features

Power Rating 120W
Impedance 16 Ohms
Controls Attenuation levels (multiple steps), Speaker Simulator Tone Control, DI Level Control
Reactive/Resistive Resistive
Speaker Output Speaker Connector (4 Ohm/8 Ohm/16 Ohm selectable), DI Output (XLR)
Weight 36 lbs

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Frequently Asked Questions

Koch's sim is surprisingly good for the price, but it doesn't have the depth or flexibility of dedicated modeling units – think of it as a ‘good enough’ solution for a clean DI signal and a touch of speaker vibe.
You can use it, but you’ll need an adapter to match the impedance; running an 8-ohm head into a 16-ohm loadbox isn’t ideal and can affect the sound.
Absolutely, it makes a significant difference; you'll hear the fan, but it’s quiet and prevents the unit from getting dangerously hot during extended, high-gain sessions.

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