The WAZA Tube Amp Expander Core is a high-quality recording solution designed to capture the authentic tones of your tube amp. Its Tube Logic technology and reactive load design preserve your amp's natural feel and touch response. With premium cab emulation and studio-grade processing, it’s easy to create impactful direct sounds. Additional features include the Mix Assist tool for seamless track integration and the Air Feel function, which recreates the “amp-in-room” experience using advanced spatial technology. The built-in 30-watt reactive drive power amp also lets you achieve “sweet spot” tones with your favorite cab at home-friendly volumes.

Features

• Professional direct tube amp recording solution driven by the advanced Tube Logic design philosophy
• Selectable reactive load retains your amp’s natural feel and interactive response
• Supports most tube amps rated up to 100 watts*
• Built-in 30-watt reactive drive power amplifier with continuous volume control
• Mix Assist function optimizes the recorded sound to dramatically improve production quality
• Air Feel feature recreates “amp-in-room” sound with natural depth, dimension, and ambience
• Choose from 22 BOSS cabinet emulations and five selectable mic types (two simultaneously)
• 64 user IR slots supporting mono/stereo WAV files up to 500 ms and 32-bit floating point/96 kHz resolution
• Comes preloaded with 10 Celestion Digital IRs
• Use up to two third-party IRs simultaneously and smooth the sound with onboard time alignment tools
• Premium stereo effects, including compression, parametric/graphic EQ, delay, and reverb
• Ten recallable rig settings for storing favorite setups
• External effect loop with selectable series/parallel operation
• Balanced XLR stereo line outputs for connecting to mixers and recording devices
• USB-C for audio recording and playback with computers and mobile devices
• Headphones output for quiet practice with cranked-up amp tones and immersive Air Feel ambience
• Speaker output for connecting an external cabinet (supports 4 ohms and higher)
• MIDI input for advanced control
• Dedicated WAZA Tube Amp Expander Core Editor (macOS/Windows) for editing and IR loading

*Mesa Boogie Dual and Triple Rectifier amplifiers are not supported.

Specifications

• Maximum Input Power: 100 W (from tube amp)
• Safety Load (power off): 330 ohms (from tube amp)
• Rated Power Output: 30 W (8 ohms, to speaker)
• Load Impedance: 4-16 ohms (to speaker)
• Input Impedance: 8 ohms (from tube amp), 1 M ohm (FX loop return)
• Output Impedance: 600 ohms (line out L/R), 1 k ohm (FX loop send)
• Nominal Output Level: +4 dBu (line out L/R)
• FX Loop Nominal Input/Output Level: -10/+4 dBu (selectable)
• Maximum Output Level: +13 dBu (line out L/R), +6 dBu/-10/+20 dBu (FX loop send)
• Controls: Power switch, speaker out knob, line out knob, phones knob, reactive load knob, rig knob, air feel level knob, write button, input level switch, FX loop level switch, GND lift switch
• Indicators: Power, write, input sig/peak
• Connectors:
  • 1/4-inch phone (from tube amp and to speaker)
  • XLR (line out L/R)
  • Stereo 1/4-inch (phones)
  • 1/4-inch phone (FX loop send/return)
  • USB Type-C, MIDI IN, Bluetooth adaptor, DC IN
• Power Supply: AC adaptor
• Current Draw: 470 mA
• Dimensions: 200(W) x 202(D) x 99(H) mm / 7-7/8(W) x 8(D) x 3-15/16(H) inches
• Weight: 2.2 kg / 4 lbs 14 oz
• Accessories: Owner's manual, AC adaptor, power cord