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Rating Image Product Price
4.82
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating344 Votes

Rivera RockCrusher Gold

Attenuator
  • Power reducer and load resistor for tube amplifiers
  • Load resistor and power reduction up to an amplifier power of 120 W RMS
  • Natural sound at any volume
  • Impedance: selectable between 8 and 16 ohms
  • Reactive internal circuit for real amplifier / load interaction
  • High heat capacity ensures cool operation and long life
  • Tight impedance tolerances
  • XLR and unbalanced line outputs with volume control
  • Bass and treble sound section selection
  • Full bypass without losses
Price History: Rivera RockCrusher Gold
685.00 $
4.82
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating130 Votes

Suhr Reactive Load

Load Box with DI
  • Simple solution to take up the warmth and dynamics of your sound without putting microphones to a speaker during a gig or studio recording
  • Connected to tube amp instead of loudspeaker and loads it with 8 Ohm
  • Generates a symmetrical as well as assymmetrical signal (without loudspeaker simulation) to be connected to recording devices, effects and power amps
  • Recommended max. amp power: 100 Watt RMS
  • Dimensions (W x D x H): 22.35 x 22.6 x 9.6 cm
  • Weight: 3 kg
Price History: Suhr Reactive Load
454.00 $
4.76
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating163 Votes

Fryette Power Load IR

Load Box
  • Variable reactive load box connected to an analog Zero Latency Cab and microphone simulation and a digital IR loader
  • Allows silent recording of a tube amplifier
  • Analog emulation and IR loader can be used individually or simultaneously
  • Cab simulation can be deactivated to use an external impulse response (IR)
  • 16 Pre-installed Cab-Sims, which can be modified via the supplied GUI
  • Additional Cab-Sims can be installed via the USB port on the front
  • Placed between amp (max. 200W) and box, the signal can be sent directly to the mixer with one or both Cab simulations
  • High quality headphone amplifier
  • Amp In with selectable input impedance (4, 8 or 16 ohms)
  • AUX input with -20dB pad: 6.3 mm jack
  • Transformer-isolated direct output: XLR and 6.3 mm jack
  • Output with cab and microphone simulation: XLR and 6.3 mm jack
  • Headphone connection: 6.3 mm jack
  • Dimensions: (W x D x H): 222 x 156 x 70 mm
  • Weight: 3.6 kg
Price History: Fryette Power Load IR
825.00 $
4.74
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating113 Votes

Two Notes Torpedo Captor X

Reactive loadbox / attenuator / speaker simulator / IR loader / stereo expander
  • For home, live and studio use
  • Max. power rating: 100 W RMS
  • 8 Ohm version
  • For playing a tube amplifier at its "sweet spot" and adjusting the volume with the attenuator
  • New functions for the Torpedo Captor family include a stereo expander (stereo reverb and double tracker), enhancer, voicing, space, noise gate and XLR DI outputs with 3 routing options (stereo, dual mono and dry / wet)
  • Controls: Space, Voicing, Out Level, Preset
  • Push buttons: In Level High / Low, Gnd Lift
  • Switch: Volume Full / Low
  • Headphone output: 6.3 mm stereo jack
  • Speaker input: 6.3 mm jack
  • Speaker output: 6.3 mm jack
  • Left & Right output: XLR
  • MIDI input: 3.5 mm stereo jack
  • USB
  • Power supply connection: barrel connector 5.5 x 2.1 mm, negative polarity inside
  • Power supply with a 12 V DC power adapter (included)
  • Dimensions (W x D x H): 128 x 175 x 64 mm
  • Weight: 1.3 kg
Price History: Two Notes Torpedo Captor X
469.00 $
4.74
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating78 Votes

Universal Audio OX Amp Top Box

Analogue Loadbox
  • Analogue reactive loadbox for guitar tube amplifiers
  • Five tuned guitar amp attenuation levels
  • Rig control for pre-set microphone and speaker box emulations
  • UA Dynamic Speaker Modelling accurately models the behaviour of a speaker and membrane resonances
  • Integrated UA EQ compression, delay and reverb effects
  • Ohm operation selectable (4, 8, and 16 Ohm)
  • Max. power handling: 150 W
  • Connectors: Line output 6.3 mm jack balanced
  • S/PDIF output
  • Headphone output: 6.3 mm jack
  • Pairing via WiFi with OX mobile or desktop app to edit and save presets (for Windows 10 and macOS: Sierra or High Sierra)
  • Suitable cases: Article Nr. 469012 and 505416 (both not included)
Price History: Universal Audio OX Amp Top Box
1,365.00 $
4.72
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating179 Votes

Bugera PS1 Power Soak

Power Attenuator
  • Passive
  • Input: Maximum 100W
  • 3 Inputs with different impedances (4, 8 and 16 ohms), thus usable with almost all amps
  • Speaker output
  • Emulated XLR microphone output
  • Line output with volume control
Price History: Bugera PS1 Power Soak
102.00 $
4.7
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating151 Votes

Two Notes Torpedo Captor 8 Ohms

Loadbox / Attenuator / Speakersim / DI Box
  • All-in-one solution
  • For making perfect recordings of guitar and bass sounds, on stage and in the studio
  • Reactive load resistance
  • -20 dB power reducer
  • Analogue speaker simulation
  • DI Box
  • 8 Ohm version
  • Maximum amplifier power: 100 W RMS
  • Fan-cooled
  • Solid metal case
  • Compact size
  • Perfect for pedalboards
  • Front side: Output Level Switch, Ground Lift, Instrument and Phase Switches, Line Output Jacks, Balanced DI Output & Power Adapters (9 - 24V DC / 5mA - Power Supply not included)
  • Rear side: Sockets for Speaker Thru, Speaker Attenuator and Amplifier Input
  • Dimensions: 175 x 126 x 62 mm
  • Weight: 1 kg
  • Includes "Wall of Sound III" plug-in with 16 free virtual cabinets (after registration of the product)
Price History: Two Notes Torpedo Captor 8 Ohms
189.00 $
4.7
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating164 Votes

Tone King Ironman II Attenuator

Power Attenuator
  • Full tube compression at room volume
  • Reactive Load Technology preserves the tone and dynamics of the amp
  • Footswitchable 3 dB / 6 dB solo function
  • 6-Level damping provides volume settings for every performance, session or home
  • 3-Position presence switch tames unwanted highs
  • XLR DI Out with Speaker Simulation
  • Power rating: 100 W RMS
  • Can be used as a dummy load to provide a correct load for your amplifier without speakers being connected
  • Impedance: 4, 8 or 16 ohms
  • Control: Attenuation
  • Switches: Range Hi / Lo, Solo On / Off, Presence 0 / -3db / -6dB, Impedance, DI Level -10 / -30 dB, Axis Cone / Edge, Ground Lift
  • LED: Solo On
  • Dimensions (W x D x H): 241 x 260 x 95 mm
  • Weight: 6.8 kg
  • Includes 12 V DC power supply and foot switch (solo on / off)
  • Made in USA

Connections:

  • Amplifier input: 6.3 mm jack
  • Speaker output: 2x 6.3 mm jack
  • Line Out: 6.3 mm jack
  • Line Out: 6.3 mm jack
  • DI Out: XLR
  • Solo footswitch connection: 6.3 mm jack
  • Power supply connection: coaxial connection 5.5 x 2.1 mm, negative polarity inside
Price History: Tone King Ironman II Attenuator
799.00 $
4.7
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating213 Votes

Harley Benton PA-250 Power Attenuator

Power Attenuator and Load Box for Guitar Tube Amps
  • Allows playing a tube amp with high output level for optimal performance, but with reduced volume
  • Can be used as a dummy load
  • Useful tool for rehearsal, live performance and direct recording
  • Does not affect the original character and feel of the amp
  • 6 Levels of power reduction
  • "Fine" control for the -15dB option
  • Input power up to 250 W
  • LED for overload function
  • Integrated low-noise fan cooling
  • 8/16-Ohm option
  • Loudspeaker output
  • Line output with adjustable level control
  • Low impedance XLR DI output
  • Works without power supply, but aux power option can be used to keep fan and light stable independent of amplifier power supply
  • Dimensions (W x D x H): 235 x 178 x 88 mm
  • Weight: 2.67 kg
Price History: Harley Benton PA-250 Power Attenuator
135.00 $
4.68
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating322 Votes

Suhr Reactive Load IR

  • A simple solution to capture the warmth and dynamics of your sound without the hassle of removing a speaker during a performance or studio recording
  • Is connected in place of the speaker box and provides an 8 ohm load for your tube amp
  • Creates a balanced and unbalanced signal that can be connected to recording devices, effects and power amplifiers
  • In addition to the original Suhr Reactive Load, the Reactive Load IR adds impulse response technology that provides quick and easy access to a range of professionally microfoned loudspeakers
  • 16 Preinstalled impulse responses from Suhr loudspeaker cabinets with Celestion loudspeakers
  • Third-party impulse responses can be loaded via the USB port
  • Controls: IR Select, HP Level, DI Level
  • Switch: Signal 0 / + 6 dB, Hi-Cut
  • 6.3 mm Jack amplifier input
  • 6.3 mm Jack thru to speaker connection
  • 6.3 mm Stereo jack DI / Line Output Un-Filtered
  • 6.3 mm Stereo jack DI / Line output IR
  • 3.5 mm Stereo jack headphone output
  • 3.5 mm Stereo jack aux In
  • Power adapter connector (female connector 5.5 x 2.1 mm, negative pole inside)
  • Current consumption: 200 mA
  • Power supply via 9 V DC power adapter
  • Recommended maximum amplifier power: 100 Watts RMS
  • Dimensions (W x D x H): 22.35 x 22.6 x 9.6 cm
  • Weight: 3 kg
  • Includes power supply
Price History: Suhr Reactive Load IR
755.00 $
4.68
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating159 Votes

Harley Benton PA-100 Power Attenuator

Power Attenuator
  • Useful tool for rehearsal room, live and recording applocations
  • Tube amplifiers as they sound best - high output level with reduced and controlled volume
  • Can also be used as a dummy load
  • Input power up to 100W
  • LED with overload indicator
  • Quiet fan
  • Controls: Speaker Level and Line Level
  • Inputs: 4/8/16 Ohm
  • Balanced speaker output
  • XLR DI output with speaker simulation
  • Dimensions: 19 x 14 x 11 cm
  • Weight: 1.5 kg
Price History: Harley Benton PA-100 Power Attenuator
62.00 $
4.66
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating181 Votes

Two Notes Torpedo Captor X 16

Reactive Loadbox / Attenuator / Speaker Simulator / IR Loader / Stereo Expander
  • For home, live, and studio use
  • Max. power rating: 100 W RMS
  • 16 Ohm version
  • For playing a tube amplifier at its "sweet spot" and volume control with attenuator
  • New features for Torpedo Captor family include a stereo expander (stereo reverb and double tracker), enhancer, voicing, space, noise gate, and XLR DI outputs with 3 routing options (stereo, dual mono, and dry/wet)
  • Controls: Space, voicing, out level, preset
  • Push buttons: In Level High/Low, Gnd Lift
  • Switch: Volume full / low
  • Headphone output: 6.3 mm Stereo jack
  • Speaker input: 6.3 mm Jack
  • Speaker output: 6.3 mm Jack
  • Left & right output: XLR
  • MIDI input: 3.5 mm Stereo jack
  • USB
  • Power supply connection: Barrel plug, 5.5 x 2.1 mm, negative polarity inside
  • Powered via a 12 V DC power supply (not included)
  • Dimensions (W x D x H): 128 x 175 x 64 mm
  • Weight: 1.3 kg
Price History: Two Notes Torpedo Captor X 16
485.00 $
4.66
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating95 Votes

Boss WAZA Tube Amp Expander

Control Centre for Tube Amplifiers
  • Modern, variable reactive attenuator circuit for tube amplifiers up to 150 W
  • Impedance settings for properly adjusting the load resistance of the amplifier
  • Preserves the natural sound, the dynamic feel and the individual character of the distortion
  • 10 Memory slots
  • Versatile parameters controlled via GA-FC / FS foot pedals and MIDI
  • Integrated 100 W Class AB power amplifier with discrete analogue design and seamless volume control
  • Powerful DSP section
  • Customisable stereo effects: Compressor, Delay, Reverb and four EQs
  • 22 Speaker-box emulations with five selectable close mic and three surround microphone types plus four slots for uploading your own speaker impulse responses
  • External effect loop with selectable serial / parallel operation and control input for switching the amplifier channels
  • Parallel speaker output for connecting two speakers for live use
  • Balanced XLR line outputs (mono and L / R stereo) for connecting a FOH mixing console, stage monitors and recorders
  • Headphone output for quiet practice with fully turned up amplifier sounds
  • Editor software (Mac / Windows)
  • USB for direct audio recording and communication with the editor software
  • Controls: Speaker Out, Line Out, Phones, Resonance Z, Presence Z, Rig, Reverb
  • Buttons: Fx Loop, Effects, Solo / EQ, Amp Ctl
  • Switches: Speaker Impedance, Input Level, L / R Gnd Lift, Mono (Foh) Gnd Lift, Loop, Level, Send Gnd Lift, Return Gnd Lift, Amp Ctl
  • LED: Power, Write, FX Loop, Effects, Solo / EQ, Amp Ctl, Input Sig / Peak, Footswitch:
  • Dimensions (W x D x H): 381 x 297 x 111 mm
  • Weight: 6.8 kg

Connectors:

  • From tube amplifier: 6.3 mm jack
  • Speaker Out A&B: 6.3 mm jack
  • Line out L/R: XLR
  • Line out mono: XLR
  • Headphones: 6.3 mm stereo jack
  • Send: 6.3 mm jack
  • Return: 6.3 mm jack
  • FX loop: 6.3 mm jack
  • GA-FC: 6.3 mm stereo jack
  • Amp Ctl: 6.3 mm jack
  • USB B port
  • MIDI: In, Thru / Out
Price History: Boss WAZA Tube Amp Expander
1,190.00 $
4.64
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating233 Votes

Palmer PDI-06-16 Ohm

Load Box
  • Format: 9.5''/ 1 RU
  • Adjustable in 6 steps (100%, 70%, 50%, 35%, 25%, 18%)
  • Reduces the volume of a guitar speaker at full saturation of the tubes
  • Made for 16 Ohm loudspeakers
  • Bypass/ attenuator switch for fast switching between full and reduced output power
  • Input: 1x 6.3 mm jack socket
  • Output for loudspeaker 1x 6.3 mm jack socket in parallel
  • Output impedance: 16 Ohm
Price History: Palmer PDI-06-16 Ohm
245.00 $
4.62
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating187 Votes

TAD Silencer 16 Ohms Black

Power Attenuator, Silencer and Load Box
  • Is connected between amplifier box output and loudspeakers
  • Max. power rating: 150 W
  • Impedance: 16 Ohm
  • Attenuation steps from -2 dB to - 16 dB in 2 dB steps
  • Continuous "Fine" control
  • BITE and PUNCH boost switches
  • LOAD-BOX operation possible without loudspeakers
  • Adjustable LINE-Out
  • F.A.N.T.A. out Speaker emulation, low impedance, balanced
  • Dimensions: 245 x 120 x 200 mm
  • Weight: approx. 2.5 kg
  • Colour: Black
  • Made in Germany
Price History: TAD Silencer 16 Ohms Black
438.00 $
4.6
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating345 Votes

SPL Reducer

Passive Attenuator for Guitar Amplifier
  • Choosable Impedance for amp output: 4, 8 or 16 Ohm
  • Input/output: 6.35 mm mono jack
  • Dimensions (HxWxD): 85 x 208 x 179 mm (incl. feet and switches/ knobs)
  • Weight: 1.8 kg

Max. Eingangsleistung:

  • 4 Ohm: 90 W RMS/ 120 W peak
  • 8 Ohm: 200 W RMS/ 260 W peak
  • 16 Ohm: 160 W RMS/ 180 W peak
Price History: SPL Reducer
385.00 $
4.6
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating171 Votes

Two Notes Torpedo Captor 16 Ohms

Loadbox / Attenuator / Speakersim / DI Box
  • All-in-one solution
  • For making perfect recordings of guitar and bass sounds, on stage and in the studio
  • Reactive load resistance
  • -20 dB power reducer
  • Analogue speaker simulation
  • DI Box
  • 16 Ohm version
  • Maximum amplifier power: 100 W RMS
  • Fan-cooled
  • Solid metal case
  • Compact size
  • Perfect for pedalboards
  • Front side: Output Level Switch, Ground Lift, Instrument and Phase Switches, Line Output Jacks, Balanced DI Output & Power Adapters (9 - 24V DC / 5mA - power supply unit not included)
  • Rear side: Sockets for Speaker Thru, Speaker Attenuator & Amplifier Input
  • Dimensions: 175 x 126 x 62 mm
  • Weight: 1 kg
  • Includes Wall of Sound III (WoS III) plug-in with 16 free Virtual Cabinets (after registering the product)
Price History: Two Notes Torpedo Captor 16 Ohms
189.00 $
4.6
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating253 Votes

Koch Amps LB120-II/8

Loadbox II
  • Power Attenuator 120 W
  • Air cooled
  • Speaker simulator and DI box
  • 8 Ohm version
Price History: Koch Amps LB120-II/8
347.00 $
4.54
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating154 Votes

Two Notes Torpedo Captor 4 Ohms

Loadbox / Attenuator / Speakersim / DI box
  • All-in-one solution
  • For the perfect reduction of guitar and bass sounds, both on stage and in the studio
  • Reactive load resistance
  • -20 dB power reducer
  • Analogue speaker simulation
  • DI box
  • 4 ohm version
  • Maximum amplifier power: 100 watts RMS
  • Fan cooled
  • Solid metal case
  • Compact size
  • Perfect for pedalboards
  • Front: Output Level, Ground Lift, Instrument & Phase, Line Output, Balanced DI Output & Power Adapters (9 - 24V DC / 5mA - Power Supply not included)
  • Rear: sockets for Speaker Thru, Speaker Attenuator & Amplifier Input
  • Dimensions: 175 x 126 x 62 mm
  • Weight: 1 kg
  • Includes Wall of Sound III (WoS III) plug-in with 16 free Virtual Cabinets (after registering the product)
Price History: Two Notes Torpedo Captor 4 Ohms
199.00 $
4.48
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
Buyer Rating322 Votes

Rivera RockCrusher Recording

Attenuator and Load Box for Tube Amps
  • Load Box and attenuation for amplifying power up to 120 W RMS
  • Analogue speaker simulation
  • Graphic 11-band EQ
  • Switch for EQ, input gain and speaker impedance
  • Natural sound at every volume
  • Impedance: 8 and 16 Ohm selectable
  • Reactive internal network for true amplifier/ load interaction
  • High thermal capacity ensures cool running and long life
  • Tight impedance tolerances
  • XLR and unbalanced line outputs with level control
  • Low and high frequency equalization selection
  • Full bypass capability with no insertion loss
Price History: Rivera RockCrusher Recording
918.00 $