BAS Message
October 2009

Webmasters Note: This space will now (from May, 2009 forward) be called The BAS Message, since it may be written by someone other than the President of the BAS. —Barry

1. The "Noise stick" from Rational Acoustics can be plugged in to a phantom-powered microphone input and it generates pink noise. It is hand-built in the U.S. and features hand-matched transistors, 1 per cent resistors and a Linear Feedback Shift register (LFSR) random-number gererator that provides a pseudorandom signal with statistical properties and without any audible repeats. The output of the noise stick's random-number genrator drives a hand-tuned filter bank that delivers a pink spectrum that is nominally flat within +/- 0.5dB from 20 Hz to 10 kHz on a fractional-octave analyzer

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Webmasters Note: I got a noise plug -- essentially the same thing, from Parts-Express HERE.
Or go to and search for NP-1. They also have a Tone Plug, TP-1, HERE.
And they also have the Gold Line 1k GL-1k HERE ; less money but not as cute as the multifunction tone plug. Thay all work great and should stand up to the abuse of carrying them in your pocket at every live sound gig.




The Boston Audio Society
PO BOX 260211
Boston MA 02126

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updated 11/5/09