RADIOSHACK RADIOSHACK SOUND LEVEL METER DIGITAL DISPLAY

"How well set up is your home cinema system? How low does your subwoofer go? Find out for certain with a sound level meter. Great value for money, this gives you the accuracy you need to fine tune your system. Digital model SLM2055Built in microphoneSeven selectable ranges (20db steps)Phono output (for connection to external equipment).FAST & SLOW response settingsWeighting selector A for Human ear bias or C for full frequency rangeBuilt in tripod adaptor for stand mountingAdjustable sensitivity range, from 50 to 126 dB Peak level holdEasy to read 21-bar graphical displayPower: PP3 type 9v battery (not supplied)Size (approx): 159 x 64 x 44 mm A quick tip on using the meter for surround sound set up:Set the sound level meter to 75db with C weighting and slow response. Next, set your surround sound amplifier to the mode that sends test tones to each speaker in turn. With the meter pointing upwards (not towards each speaker) adjust the amp output level until the sound from each speaker registers 75db.Have a look at the instruction manual here (Acrobat pdf file)If you need a PP3 battery find one hereDo you need a table-top tripod for this? Try the CLAMP

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