20 Band Audio Spectrum Analyzer (assembled)

Starting at: $140.00






These are the main specs & features of the audio spectrum analyzer v2.1:
  • 20 analyzed bands (100 Hz - 162.1 Hz - 224 Hz - 286.3 Hz - 348.4 Hz - 410.5 Hz - 472.6 Hz - 596.8 Hz - 721 Hz - 845.2 Hz - 1031.5 Hz - 1155.7 Hz - 1342 Hz - 1590.4 Hz - 1900.9 Hz - 2521.9 Hz - 3515.5 Hz - 5068 Hz - 8048.8 Hz - 15997.6 Hz)
  • 20 signal levels (0V - 0.02V - 0.04V - 0.06V - 0.08V - 0.10V - 0.12V - 0.14V - 0.16V - 0.18V - 0.20V - 0.22V - 0.24V - 0.26V - 0.28V - 0.30V - 0.32V - 0.34V - 0.36V - 0.38V)
  • 20x20 display matrix composed of Kingbright LED bargraphs for better build quality and greater luminosity
  • input voltage from 7 to 15 VDC 1A through 2,1 mm DC jack center pin positive (onboard dc-dc converter)
  • input signal level can be adjusted through the onboard pot
  • input signal level accepted from 200mV to 4V
  • 9 display modes available (selectable through button 2 present on the display board)
  • on/off (standby) control selectable through button 1 present on the display board.
  • ATmega64 as the main processing unit running at 8 MHz
  • programming of the unit is done through ISP
  • connecting mode: the two boards can be either connected by wire or back to back but once you chose the connecting mode you can't switch to the other as they are not compatible.
  • dimensions assembled : motherboard 100x80x23 mm , display matrix board 230x80x19 mm , both back to back 230x80x35
The color of the LED can be selected in the form bellow. Note, if you choose Super RED SRWA, $10 will be added to the total price. The reason for this is that SRWA LED's cost more.

Blue is available on demand but due to the high cost of blue bargraph LED's we don't keep them in stock.  If you chose Blue $125 will be added to your order bringing the total for a blue assembled kit to $255. It takes 2-4 weeks until the blue LED's get to us and then we can assemble and ship your order.

We also offer the option of removing or customizing the start-up logo for an extra $10. With a maximum size of 18 characters you can enter your custom start-up message in the "Special Instructions or Comments About Your Order" textbox when checking out.

The warranty is only valid if the spectrum analyzer is purchased together with the power adapter. Using other power adapters might cause damage to the spectrum analyzer.

The user guide can be downloaded from the link below:


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  • Model: v2.1
  • Shipping Weight: 0.45kg
  • 0 Units in Stock
  • Manufactured by: Youritronics



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This product was added to our catalog on Saturday 26 December, 2009.

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