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05-04-2008, 12:47 PM
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500+ Head-Fi'er
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Join Date: Jun 2006
Posts: 599
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Spectrum analyzer rental in Canada
I need to rent an audio frequency spectrum analyzer that resolve to -110 dB. I'm having trouble finding rentals for such things in Canada. Buying one is out of the question, as I don't have $10K+ to spare (maybe after I pay my $60K student loans and $15K credit cards).
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05-04-2008, 07:15 PM
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Headphoneus Supremus
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Join Date: Jan 2005
Location: northern NJ
Posts: 5,054
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is a computer sound-card based solution out of the question?
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05-04-2008, 07:22 PM
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500+ Head-Fi'er
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Join Date: Jun 2006
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I've never seen one with a good enough preamp and ADC section.
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05-05-2008, 03:31 PM
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100+ Head-Fi'er
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Join Date: Jan 2006
Location: Vancouver, BC
Posts: 200
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In another life when I used to fix arcade video games, the shop I worked at used to rent equipment from electrorent.
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05-06-2008, 06:25 PM
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500+ Head-Fi'er
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Join Date: Jun 2006
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They have a lot of equipment, but all the spectrum analyzers are designed for high frequency usage. At audio frequencies, the intrinsic distortion is pretty bad. I'm not seeing anything below -90 dB.
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05-07-2008, 08:23 PM
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100+ Head-Fi'er
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Join Date: Nov 2006
Location: Barcelona [Spain]
Posts: 123
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And.... what about a digital storage oscillloscope??? I don't know if this will be good enough for your application, but you could capture the waveform, load the data into matlab, and make the FFT. I have a 300USD Oscilloscope and this works for me, but I make it just for play and fun, nothing serious 
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05-07-2008, 08:29 PM
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500+ Head-Fi'er
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Join Date: Jun 2006
Posts: 599
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Well I guess I could even do that with a sound card if I had a really, really good ADC. But I don't know of any.
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