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Product description iKey RM-3

When a signal needs to be recorded directly in the rack without an additional computer, the iKEY RM-3 19-inch recorder with 1U handles recording and playback. It records mono or stereo line signals as well as microphone signals to an SD card or USB storage device, making it suitable for sources such as mixers, instruments and vocals.

For connections, the rear panel provides an XLR/6.3 mm combo input with a Mic/Line switch and a RCA line input. On the front panel, you’ll find a 6.3 mm microphone input, a stereo line input via two 6.3 mm jack sockets, as well as RCA inputs. An input preamp switch offers −20 dB, 0 dB and +10 dB settings; you can adjust the recording level separately and monitor it via the digital level display.

The recorder saves recordings as MP3 files at 128, 256 or 320 kb/s, or as WAV files at 44.1 kHz. In addition to the supplied SD card, you can use a supported FAT-formatted USB storage device. When a USB storage device is connected, it takes priority: the RM-3 works with only one storage medium at a time and then records exclusively to the USB device or plays back files from it.

The colour LCD displays file and playback information as well as the recording mode. Use the rubberised navigation wheel to search for files and adjust the recording level; the record, play/pause and stop buttons are directly on the unit. You can then transfer recordings to a computer via USB cable. A headphone/line socket and a dedicated volume control are provided for monitoring; rear-panel balanced XLR and RCA outputs allow you to connect other audio equipment.

The RM-3 fits into rack setups where you want to record and play back line or microphone signals directly, without a computer. SD and USB recording with separate monitor outputs make it a compact addition to musician, studio and event systems.

Features iKEY-AUDIO RM-3

  • Digital rack recorder for recording and playing back audio sources
  • 19-inch rack format with 1U
  • Colour LCD for displaying files and operating modes
  • Rubberised navigation wheel for file search and recording level adjustment
  • Recording of mono and stereo line signals as well as microphone signals
  • MP3 recording at 128, 256 or 320 kb/s and WAV recording at 44.1 kHz
  • Recording and playback via SD card or supported FAT USB storage device
  • USB storage takes priority; operation with only one storage medium at a time
  • Rear-panel XLR/6.3 mm combo input with Mic/Line switch
  • Front-panel 6.3 mm microphone input and stereo line input via two 6.3 mm jack sockets
  • RCA inputs on the front and rear panels
  • Rear-panel balanced XLR outputs and RCA outputs
  • Front-panel 6.3 mm headphone/line output with volume control
  • Input preamp with −20 dB, 0 dB and +10 dB settings, plus adjustable recording level
  • Digital input level display
  • USB data transfer of recordings to a computer

Technical specifications

  • Channels2 (stereo)
  • Recording formatsMP3 at 128, 256 or 320 kb/s | WAV at 44,1 kHz
  • Recording mediaSD card from 64 MB to 2 GB | SDHC card from 4 to 32 GB | supported FAT USB storage device
  • USB compatibilityUSB 1.0 | USB 1.1 | USB 2.0
  • Sample rate and resolution44,1 kHz | 16 bit
  • Dynamic range98 dB
  • Total harmonic distortion (THD+N)−91 dB
  • Frequency response20 Hz to 20 kHz
  • Input impedanceLine 10 kΩ | microphone 1 kΩ
  • Nominal input levelLow Gain 1 V RMS (0 dBV) | Mid Gain 0,5 V RMS (−6 dBV) | High Gain 0,13 V RMS (−17 dBV)
  • Maximum input levelLow Gain 2,5 V RMS (+8 dBV) | Mid Gain 0,68 V RMS (−3 dBV) | High Gain 0,25 V RMS (−12 dBV)
  • Output impedance30 Ω
  • Maximum output levelLine (10 kΩ) 0,7 V RMS (−3 dBV) | headphones (32 Ω) 0,35 V RMS (−9 dBV)
  • Power supplyDC power supply, 1000 mA
  • Weight2,4 kg
  • Dimensions (W x D x H)483 x 253 x 45 mm

Scope of delivery

  • iKEY-AUDIO RM-3 digital recorder
  • 1 GB SD card
  • USB data cable for connecting to a computer
  • AC/DC power supply
  • User manual

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