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Rational Noise Stick – Phantom Powered Pink Noise Generator
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Quick Overview
The Rational Noise Stick™, our new phantom powered pink noise generator is a study in simplicity, precision and ruggedness. Its mission is to do one thing really well and do it faithfully for years to come. The Noise Stick requires no batteries and no configuration. It doesn't even have a power switch. Plug it into a phantom-powered microphone input and it generates pink noise — very nice, well-behaved pink noise. Unplug it and it stops.
Product Description
The Noise Stick is hand built in the USA exclusively for Rational Acoustics by PMP Audio Works, sparing no detail for quality and reliability. It features such niceties as hand matched transistors, 1% tolerance resistors and a Linear Feedback Shift Register (LFSR) random number generator that provides a pseudorandom signal with excellent statistical properties and without any obvious, audible repeats. The output of the Noise Stick's random number generator drives a hand tuned filter bank that delivers a pink spectrum that is nominally flat within +/- 0.5 dB from 30 Hz to 20kHz on a 1/3-octave analyzer.
We didn't skimp on the outside either. The sleek, compact design is unobtrusive and fits easily into mic cases and gear bags. The housing for the Noise Stick is milled from a solid piece of aluminum rod to yield a thicker walled tube than we could have gotten using standard tubing stock. The entire unit is filled with epoxy after assembly to protect the electronics from shock and increase its crush strength. Prototype test units were found to work just fine after being dropped from two stories onto a concrete surface and run over by a car, although we wouldn't recommend doing this to yours (on purpose).
Specifications:
• Output Impedence: <200 Ohms, Balanced
• Output Connector: Integrated 3-Pin XLR Male
• Output Level: -60 dBu nominal
• Frequency Range: 20 Hz - 20 kHz
• Typical Flatness: +/- 0.5 dB from 30Hz to 20 kHz
• Power Requirements: 12-48 V Phantom Power
• Power Consumption: 4 milliamps
• Size: 4.74” x 0.75” (119 x 19 mm)
• Weight: 1.75 oz. (50 g)
• Case Material: Machined Aluminum
• Warranty: Three (3) years from date of purchase for defects in materials or workmanship
We didn't skimp on the outside either. The sleek, compact design is unobtrusive and fits easily into mic cases and gear bags. The housing for the Noise Stick is milled from a solid piece of aluminum rod to yield a thicker walled tube than we could have gotten using standard tubing stock. The entire unit is filled with epoxy after assembly to protect the electronics from shock and increase its crush strength. Prototype test units were found to work just fine after being dropped from two stories onto a concrete surface and run over by a car, although we wouldn't recommend doing this to yours (on purpose).
Specifications:
• Output Impedence: <200 Ohms, Balanced
• Output Connector: Integrated 3-Pin XLR Male
• Output Level: -60 dBu nominal
• Frequency Range: 20 Hz - 20 kHz
• Typical Flatness: +/- 0.5 dB from 30Hz to 20 kHz
• Power Requirements: 12-48 V Phantom Power
• Power Consumption: 4 milliamps
• Size: 4.74” x 0.75” (119 x 19 mm)
• Weight: 1.75 oz. (50 g)
• Case Material: Machined Aluminum
• Warranty: Three (3) years from date of purchase for defects in materials or workmanship
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