The AM Forum

In exchange for work on a 36" Sony high def broadcast (evergreen) monitor, I was given a Sound Technology 1510A. It has option 007 spectrum analyzer and the GPIB connector, but unknown option 011, not 009 as is listed for the GPIB.

I wonder if this would be good for checking the cleanliness of a transmitter? With a low distortion envelope detector, it seems like it could show me the audio distortion and harmonics and help me reduce it.

Otherwise it is made for analyzing noise and distortion on tape recorders and similar devices including turntable cartridges etc. The thing is, a 3-head tape recorder is like an amplifier except the audio is delayed on tape a few milliseconds.

The pic is from Stan Curtis' web page. I also got the user manual there. Anyone know of a free copy of the service manual? It seems rare. No opportunity to plug it in yet. Anyone ever use one?

   I think the low distortion oscillator is the only Unique thing in it.


http://stancurtis.com/Soundtech/1510A_OPS-MANUAL_SOUND-TECHNOLOGY.pdf

Nice find!

/Dan

My 1700 HATES RF.

I've seen more of them in the recording studio environment than broadcast, due to the mentioned susceptibility to RF fields.

The vintage Potomac AA/AG51 was built for that job, and a lot easier to use.

The best one of the ilk is the Audio Precision set, it can measure transformer impedances vs ferequency.

73DG

We used Sound Tech's earlier units with analog meters, back when I was in the design group for FM transmitters at Broadcast Electronics Inc.
Each transmitter was given a thorough checkout with audio provided from the ST and demod back into same. Later, the little Tektronixs AA501 and 5001 driven by their SG505 was the hot unit to use. In the factory we never used Potomic Instruments.

Years back when one had to do annual EPM work in the field, the Potomac was king.  I put a lot of both road and 'hour' miles on my combo AA/AG-51.

The only other rig I ever saw used in AZ or CA was the HP setup.

73DG