S ng multi function sine wave generator, test tones

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S ng multi function sine wave generator, test tones

multi function sine wave generator
If you re in the audio field, S!NG is the complete sine wave test tool. From checking cables to analysing room acoustics, this deceptively small unit has got it all. It is housed within a professional, high quality, male XLR connector and is phantom powered via the industry standard +48v, so you don t need additional batteries or power supply.
The output level of S!NG is a precise -20dBu into industry standard 600 OHMs. This is regardless of the mode and is accurate to within +/- 0.5dB.
S!NG generates sine waves with ultra-low distortion: better than standard laboratory equipment. At 1KHz distortion is less than 0.05%.
S!NG provides continuous sine waves at a variety of fixed frequencies (see specification below). In addition to the normal differential mode (DM) output (like a microphone), S!NG also generates common mode (CM) signals to check the common mode rejection of cables and pre-amplifiers.
S!NG generates pulsed sine waves with two different pulse widths/rates (fast or slow), in differential or common mode.
S!NG generates swept sine waves, either over a wide bandwidth (20Hz 10kHz), for analysing speakers/amplifiers/eq, or over narrow bandwidths (chirps), for listening to room acoustics, again in differential or common mode. The sweeps S!NG generates are logarithmic/natural sounding; each octave is swept in the same amount of time. There are three different sweep rates available, 0.1 seconds per octave, 1 second per octave and 10 seconds per octave.
S!NG generates a range of clicks which you can use as an aid to set time delays in speaker systems. You can alter the frequency of the clicks to suit the speakers.
Phase testing checks that a positive input signal makes the loudspeakers move towards the listener. S!NG generates two types of signal to check the phasing of a system: strobe and heartbeat. The easiest to use of the two methods is the heartbeat , which generates a positive excursion followed by a negative excursion. You can feel this by touching the loudspeaker (lightly) and listening to the audio. In strobe mode you point the dual colour LED towards the speaker (in a dark room) to see the red light in front of the green (as viewed on the speaker).
You change the mode/frequency of S!NG using the phantom power switch on the mixing desk/PA system/preamp. This means you can control S!NG from the mixing position while it is plugged into a microphone lead on stage. If you need to adjust S!NG at the stage position just plug unplug S!NG at the appropriate time.
S!NG s output is DC balanced so there are no other clicks associated with turn on/off. Each sine transmission starts from zero then goes positive for the first half cycle and then ends with an equally negative half cycle such that the average is zero. It is most often the case that pulse generators simply turn on and off without observing this DC balance issue; thus causing audible clicks in addition to the intended pulse.
Each unit is supplied with a split ring so you can use it as a keyring. You never know when you might need an audio reference so if it's always with you there's nothing to forget. Alternatively, if you prefer, the stainless steel band can be removed.
At switch-on, S!NG will semaphore the current settings (using the LED and by sending notes). To change the current setting, switch off the phantom power in the first semaphore to increment the main mode, or the second semaphore to increment the sub-mode. Below is a complete list of all the modes and sub modes.
The audio semaphore S!NG sends is bracketed by three peeps . The first peep is there to let you know that the first semaphore which indicates the main mode is about to be sent. The second peep lets you know that the first semaphore is complete and that the second, sub-mode, semaphore is about to start. The final peep lets you know that the semaphore is complete.
During normal operation, ie when you re listening to the sine tones:
Green = differential mode, on (audible) or negative (heartbeat or strobe).
Red = common mode, off ( rejected ) or positive (heartbeat or strobe).
Output impedance 600 OHMs (+/- 5%)
Output Level -20dBu (+/- 0.5dB)
Full list of modes & sub-modes
1 Continuous sine in differential mode (LED strobe)
13 One of each every 5 seconds
2 Continuous sine in common mode
4 Pulsed sine slow (2s on 4s off)
5 Pulsed sine fast (0.2s on 2s off)
7 Sine sweep all 20 Hz 10 kHz
8 Sine chirps DM, 0.1s each 2s off
Positive first cycle, 0.4s off
Negative second cycle, 1.2s off
3 Random note generator 1 0.2s/note
4 Random note generator 2 0.1s/note
List of tone frequencies in random note mode
20.60 Hz 21.83 Hz 23.12 Hz 24.50 Hz 25.96 Hz
27.50 Hz 29.14 Hz 30.87 Hz 32.70 Hz 34.65 Hz
36.71 Hz 38.89 Hz 41.20 Hz 43.65 Hz 46.25 Hz
49.00 Hz 51.91 Hz 55.00 Hz 58.27 Hz 61.74 Hz
65.41 Hz 69.30 Hz 73.42 Hz 77.78 Hz 82.41 Hz
87.31 Hz 92.50 Hz 98.00 Hz 103.83 Hz 110.00 Hz
116.54 Hz 123.47 Hz 130.81 Hz 138.59 Hz 146.83 Hz
155.56 Hz 164.81 Hz 174.61 Hz 185.00 Hz 196.00 Hz
207.65 Hz 220.00 Hz 233.08 Hz 246.94 Hz 261.63 Hz
277.18 Hz 293.66 Hz 311.13 Hz 329.63 Hz 349.23 Hz
369.99 Hz 392.00 Hz 415.30 Hz 440.00 Hz 466.16 Hz
493.88 Hz 523.25 Hz 554.37 Hz 587.33 Hz 622._25 Hz
659._26 Hz 698._46 Hz 739._99 Hz 783._99 Hz 830._61 Hz
880._00 Hz 932._33 Hz 987._77 Hz 1.05 kHz 1.11 kHz
1.17 kHz 1.24 kHz 1.32 kHz 1.40 kHz 1.48 kHz
1.57 kHz 1.66 kHz 1.76 kHz 1.86 kHz 1.98 kHz
2.09 kHz 2.22 kHz 2.35 kHz 2.49 kHz 2.64 kHz
2.79 kHz 2.96 kHz 3.14 kHz 3.32 kHz 3.52 kHz
3.73 kHz 3.95 kHz 4.19 kHz 4.43 kHz 4.70 kHz
4.98 kHz 5.27 kHz 5.59 kHz 5.92 kHz 6.27 kHz
6.64 kHz 7.04 kHz 7.46 kHz 7.90 kHz 8.37 kHz
Each unit is suplpied with an instruction sheet which can be downloaded/viewed here http://www.brikworm.co.uk/Sing%20insert.pdf
We do not charge any extra postage on multiple items
S!NG - the audio SINGularity!
An accessory from the BrikWorm digital multicore range.
S!NG is designed and manufactured in the UK and is a trademark of FlatKeys Ltd, Unit 12, Falsgrave Mews, Scarborough UK.