AudioControl SA-3052 RTA with SA-3055 Upgrade is a used item in very good condition, listed on Reverb. The asking price is £486. It is offered by mrriggs through Reverb. Local pickup is available. It is in our Microphones category. Used Gear Hunter first saw this listing on 29 October 2026 and last saw it on 9 November 2026. It has been seen 20 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

From the seller

This is a legendary AudioControl real time spectrum analyzer used by professionals for audio signal analysis and car stereo competitions. The SA-3052 is a later incarnation of the SA-3050A. This unit has been upgraded to SA-3055 specs. It has automatic scoring functions, rechargeable battery pack, and printer output. This unit also has the Hi-SPL option installed but DOES NOT include the necessary SPL-180 microphone. It does include the standard CM-10 measurement microphone, 50' XLR cable, 20" RCA cable, 10' RCA to 1/4" cable, RCA to 1/4" adapter, power cord, manual and padded carry case. The manual is a reprint, not the original. There are more scoring features in this unit than are shown in the manual. I installed new batteries too so it will run for hours unplugged. As you can see in the pics, I plugged the pink-noise generator into the 1/4" input to demonstrate the RTA and scoring, as well as show that the pink-noise generator works. The printouts are from this setup using the printer port. This device is fully functional and is in very good condition.

AudioControl SA-3052 RTA with SA-3055 Upgrade

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