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7 Bad System Dwarves T-Shirt, Large Learn More

The SC-1 sound calibrator is a single-frequency dual-amplitude,self contained field calibrator used to quickly and precisely verify the accuracy and the sensitivity of microphones.

The unit generates a 1kHz reference tone at 94 and 110 dB SPL. The SC-1 consists of a amplitude switchable constant frequency oscillator, a transducer and a microphone coupler. The coupler accepts a large variety of microphones.

Rational offers this unit pre-packaged in a carrying case with both the 1/2" and 1/4" adapters as well as with operating instructions and factory certified calibration chart. The calibrator uses a single 9 Volt battery (included).

~ Rational can ship this product worldwide ~

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One of our most asked-about items, this high quality mini telescoping tripod stand from Manfrotto is made to order for the true backpack measurement ninja. It features the most compact folded size (15.75", 39.9 cm) of any usable mic stand we've seen but opens to a full four feet high (1.23 m) when fully extended. We have found this to be a very useful height for a lot of measurement work in general, perfect for measuring on the seated listening plane. Constructed of lightweight aluminum this tripod-base stand weighs in at less than 1.5 lbs. (0.66 kg) and easily fits in virtually any carry-on bag, backpack or briefcase-style case. Compact 17.7" (45 cm) footprint diameter that easily navigates between rows in theater style seating. Please note that Rational Acoustics can ship this product only to destinations in the USA. Learn More

Smaart v.7 performs single- and dual-channel, FFT-based audio measurement in an intuitive, accessible interface that seamlessly integrates measurement, analysis, and data logging. Rebuilt from the ground up, Smaart v.7 features significantly modernized architecture to unleash the potential of the latest microprocessors and multitasking operating systems.

The Electronic Delivery version of Smaart v.7 will send you a license code via e-mail along with links to both Mac and PC installers and all necessary registration and installation instructions. There is no printed manual for Smaart v.7. Please refer to the Help Files integrated within the Smaart program as well as the "Getting Started with Smaart v.7" Applications Guide available in PDF format on our web site.

Please enter your current Smaart v.5 license number in the box marked “Original License” below. Your v.5 license number will be in two (2) groups of four (4) letters/numbers like xxxx xxxx. Once your license has been entered, click “Add to Cart” to validate your license and add the upgrade to your cart for checkout.

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The Rational Noise Stick II™ is the latest version of our phantom powered pink noise generator. The Noise Stick II 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.

This updated version of the Noise Stick provides a higher output level than the previous version and includes a swanky new blue LED on the endcap that provides visual confirmation that the unit is seeing phantom power and thus, operational

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