Heath AD1308 portable RTA - diyAudio
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Old 23rd June 2014, 10:35 PM   #1
diyAudio Member
Join Date: Sep 2005
Default Heath AD1308 portable RTA

Some time ago I have got this Real Time Analyzer without the microphone.

Heath AD1308 front panel
RTA 004r.jpg

I dont know if this RTA was sold as a kit or assembled. It seems to work well, but obviously without the proper mic, it is of no use.
Recently, a need arised for his use on a noise analysis process.

Does anyone in the forum have any info about this device? More especifically, what is the type and connection diagram for his supposed companion mic?

RTA mic connector
RTA 005r.jpg

I am thinking in building and calibrating an equivalent mic, but with no info about the original it would be a more difficult task.

Also, a manual would be very welcome (PDF or paper).


Antonio Falc„o
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Old 23rd June 2014, 11:54 PM   #2
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Location: Dayton, OH
Heathkit AD-1308 Manual from Vintage Manuals, Inc.

Not free, but available.
DCX2496/DEQ2496 Car Audio Conversions
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Old 24th June 2014, 03:04 PM   #3
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Thank you for your response.
The price Vintage Manual asks for this manual is a bit high for my present purposes.


Antonio Falc„o
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Old 29th June 2014, 03:30 AM   #4
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The AD 1308 spectrum analyzer was sold as a kit. The design engineer was a gentleman named Mark Rapaich. There was also an optional rack mount adaptor for the unit with RCA inputs that did not use the microphone. I have a 1308 that I built in the late 1980's. I will look for my manual and check how the mic was constructed.
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