Here's what Suhr say about the Reactive Load Box:
The Suhr Reactive Load delivers a simple solution to capture all of the warmth and dynamics of your sound, without the hassle of mic'ing a speaker cabinet during a live or recorded performance.
The Reactive Load takes the place of your speaker cabinet in your signal chain. It provides an 8Ω load for your tube amplifier (maximum 100 watts), and produces a balanced and unbalanced signal that interfaces with recording devices, effects, and power amplifiers.
Interface to your IRs
The Suhr Reactive Load is the perfect link between your amplifier and computer audio recording interface. You can use the Reactive Load with your existing library of speaker impulse responses (IR) for the most realistic direct recording experience possible.
Reactance is key
Traditional resistive load boxes will safely load your amplifier, but they also alter the tone, dynamics, and response of your amplifier. Real speakers do not have a fixed resistance across the entire frequency spectrum. Real speakers are reactive. The impedance curve of the Reactive Load has been painstakingly tuned to react like a speaker. Your amp will never know the difference.
Bring Your Own Speaker Sim
The Reactive Load is dedicated to being the absolute best load box possible with zero compromises, and therefore does not include speaker emulation. You can use the Reactive Load with your speaker-sim or impulse response of choice, and benefit from the natural response, dynamics, and touch sensitivity of your amp.
The Suhr Reactive Load features a balanced or unbalanced line level output. The INPUT is optimized for the 8 ohm output of your amplifier and the THRU jack can be connected to a physical speaker cabinet. If a physical cabinet is connected to the THRU jack, the Reactive Load’s internal load is bypassed and the amp will see the load of the physical cabinet.
- Speaker input impedance: 8 ohm
- DI / line out level: +4 dbu at 7 watts input, maximum level setting
- Balanced line output impedance: less than 6kw
- Unbalanced line output impedance: less than 6kw
- Maximum recommended input power: 100 watts rms
- Dimensions: 8.8" (w) x 8.9" (d) x 3.6" (h)
- Weight: 6.6lb