The AKAI RIFF-O-MATIC U400 is a variable-tempo, constant-pitch phrase recorder designed for musicians to record, slow down, and loop musical passages for practice and transcription. It features adjustable playback speed, a Note Grabber function for isolating individual notes, and a Solo filter for focusing on guitar sounds.
Condition: Good
Specifications:
Brand: AKAI
Model: RIFF-O-MATIC U400
Type: Phrase Recorder / Practice Tool
Sampling Frequency: 29.4 kHz
Recording Time: 35.7 seconds
Memory Capacity: 2 MB
Playback Tempo: Normal / 2/3 Speed / 1/2 Speed
Functions: Note Grabber, Solo Filter, Freeze, Loop Start/End, Vari-Pitch
Inputs: 1 × 1/4″ Instrument Input, 1 × 1/8″ Stereo Recording Input
Outputs: 1 × 1/4″ Line Output, 1 × 1/8″ Stereo Headphone Output
Controls: Playback Tempo, Record, Play/Stop, Set Loop, Vari-Pitch
Level Controls: Recording Level, Headphone Level
Level Meter: 3 LED Indicators
Power Supply: 10.5V DC Adapter
Power Consumption: 150mA
Weight: 340g (without adapter)
Accessories: Original 10.5V AC Adapter and Audio Connection Cable (if included with unit)
Function: Record, slow down, loop, and isolate musical phrases for practice and transcription










