Tested and working Sifam AL29 audio level amplifier meter. Pulled from a Wheatstone Audioarts R-60. Comes with everything you need, the black plastic frame housing and the metal brackets and screws as pictured.
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The board has a first-level amplifier (using 741 single op amp), and there are two sets of high and low inputs. 1pcs LM3915 10 LED Audio Level Indicator Assembled. Yellow: connect to the positive signal line, green: connect to the negative signal line (outer layer, shielding layer).
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Header DC resistance: 630 Ohm. Material:Plastic, Electronic Parts. Material: ABS Plastic. Color: Black, Clear. Due to the different display and different light, the picture may not reflect the actual color of the item.
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1 x USB power cable. Material: aluminum alloy. High-strength aluminum alloy shell, light luxury texture and durability. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 32 Liquid level indicator (welded, finished product).
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Nobsound & Douk Audio. Douk Audio / Nobsound / Little Bear etc. Tube Amplifier. Audio Amplifier. Digital Amplifier. Headphone Amplifier. Oscilloscope Tube Clock. Audio Processor.
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Pointer Length: Approx. 37 ± 1mm / 1.5 ± 0.04in, from needle end to axes. Pointer Width: 0.45 ± 0.05mm. 1 x Audio Cable. 1 x Driver Board. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls.
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High-strength aluminum alloy shell, light luxury texture and durability. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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