Crystal Cube 16*LED Music Spectrum Level Display VU Meter For Tube Amplifier DIY

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Crystal Cube 16*LED Music Spectrum Level Display VU Meter For Tube Amplifier DIY
Item description
Features:
The music visualizer KS16 spectrum has innovative design and perfect combination of music and art, suitable for both music and electronic enthusiasts, also a delightful art decoration. Please make sure that the audio signal input voltage should be within 5V, or the sound spectrum will be damaged.
16 segment, golden section ratio design and red, yellow, green, blue, orange, pink 6-color LEDs makes great visual effect; Adopts 32M crystal and 1T microcontroller, the color spectrum has high-speed signal acquisition and accurate reaction.
The spectrum has 8 kinds of classic display modes and 6-level gain setting, they can be set by key, so can the left and right channels, settings with power-off memory; please adjust input volume and gain to make the display amplitude at an appropriate range (default value 3).
8 kinds of classic display modes: 1. Columnar mode; 2. Columnar with peak holding mode; 3. Columnar with peak, peak upward moving out mode; 4. Mirror mode, from middle to both sides; 5. Single point mode; 6. Peak upward moving out mode; 7. Single peak mode; 8. Mute with all lights on mode(available for testing LED).
Key Operation: Short press the key to switch among eight kinds of classic display modes; long press the key for 1 second to adjust among 6-level gains; long press the key for 3 seconds to switch between left and right channels.
8 Kinds of Classic Display Modes:
Mode 1: Columnar mode
Mode 2: Columnar with peak holding mode
Mode 3: Columnar with peak, peak upward moving out mode
Mode 4: Mirror mode, from middle to both sides
Mode 5: Single point mode
Mode 6: Peak upward moving out mode
Mode 7: Single peak mode
Mode 8: Mute with all lights on mode(available for testing LED)
Instructions:
1. Please insert the attached connector USB terminal to your computer USB interface, 3.5mm headphones by audio branch into the computer or other device's headphone output jack, the other end of the branch connects audio equipment;
2. Gain description: 1-3 levels are gain attenuation, 4 level is 0 gain, 5-6 levels are gain amplification. Please adjust input volume and gain to make the display amplitude at an appropriate range (default value 3);
3. If happened to full screen display, please reduce the gain or input volume; if the display still dances when no sound source input, please replace the power supply to test or use computer USB terminal as power supply;
4. If the audio input terminal needs to be connected to amplifier output or speakers, please use capacitor and potentiometer to attenuate the signal, and please make sure that the audio signal input voltage should be within 5V, or the sound spectrum analyzer will be damaged.
Note:
Please do not use counterfeit phone chargers, unstable power supply or other power supplies which have large ripple, or it will cause background noise or damage to the audio analyzer.
Package Includes:
1× KS16 Music Spectrum VU Tower
1× USB Cable
1× 3.5mm Male to 2*Female Plug
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We provide  return within 30 days
for all items you bought on eBay, full refund and return shipping will be provided.
1-year warranty
is provided for all items(
Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).
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About us
Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including
Douk Audio / Nobsound / Little Bear
etc.
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
We will spare no efforts to bring great products and service for
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