MK174 - Electronic Record/Playback KIT

The MK174 Electronic Record/Playback SELF-ASSEMBLY electronic kit is a digital message recorder with a record time of 10-35 seconds.  Onboard microphone, speaker, battery holder all included.

Recordings are stored in on-chip Flash memory, providing non-volatile storage when power is removed. Old messages can be recorded over with new messages as required.

• record time between 10 and 35 sec. (adjust the sample rate)
• onboard microphone
• speaker Ø 57mm included
• line-out to drive external amplifier, e.g. for
  • K8066KT: 3W mono amplifier
  • K4001KT: 7W mono audio amplifier
  • ...
• external trigger input to play message
• 3 x AA battery holder included
• using the speed adjust a " funny voice" can be created

• power supply: 4.5V battery (3 x AA not incl.- Order Code 656.010)
• power consumption:
  • max. 150mA during playback
  • less than 1µA during standby!
• adjustable sampling rate: 5…12 KHz.
• speaker output: 500mW max., 8 ohm
• signal/Noise ratio: 34dB
• PCB dimensions: 65 x 50 x 20mm (2.6" x 2" x 0.8")
• product format: SELF-ASSEMBLY electronic kit (KT more)

• User Guide
• Assembly Manual
• Schematic Diagram