1977 Oberheim Four Voice Ad

via Retro Synth Ads where you'll find the write-up.

Roland RS-202 Analog String Synth

via this auction

"The RS-202 is a great synth! It's a simple, limited synth that is amazing at what it does - ANALOG STRINGS! Warmest analog strings I've found yet with a luscious ensemble (like chorus) effect. Also has a Brass section which is very nice. Think Vangelis, MJ, BeeGees, etc. Countless classics from the 70's and 80's used these sounds."

Roland RS 202 String synthesizer

via this auction

"Roland RS 202 , string sound of the 70's. A great sounding analog string synth with an easy to use front control panel and containing the great roland ensemble sound used in so many roland synths of this era. a good article about the rs 202 from sound on sound.

RARE KAWAI SX-210 SYNTH With ANALOG FILTERS

via this auction

"AWSOME FAT WARM SOUND, GREAT LEADS, ORGANS, LOTS OF FEATURES AND BUTTONS TO CHOOSE AND TWEAK. VERY UNIQUE SOUNDS. VERY COOL DESIGN"

Oberheim OB1 Analog Synthesizer

via this auction

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ama TechStar TS306 Analog Drum Synth Module

via this auction

Casio VL-10

via this auction

Follow-up to this post where you'll find prior shots and a video.

Yamaha VSS-30 Sampling Keyboard

via this auction

FEB. 1982 MOOG SYNTHESIZER KEYBOARD NEWSLETTER

via this auction

"This original print vintage February 1982 Moog Synthesizer Interface newsletter in in like new condition. 4 pages with lots of cool info and articles."

You can find more scans listed here. Unfortunately they are not legible, but you can find a link to a full scan of Interface here.

NINE INCH NAILS HHS Hypersonic audio sound sys

via this auction

"AUCTION # 477
HHS Hypersonic directed audio sound system, model H - 460. This is a directional speaker; very specific, focused, directional speaker; also known as a "perimetric sound generator." Serial No. 10701200020. In good conditio, see photos. Power supply is included.

From the HHS Website.

'What is HSS®?
HyperSonic® Sound Technology is simply the most revolutionary sound reproduction system of this century.

How does it work?
The basic operating principle of HSS uses a property of air known as "non-linearity". A normal sound wave (like someone talking) is a small pressure wave that travels through the air. As the pressure goes up and down, the "non-linear" nature of the air itself causes the sound wave to be slightly changed. Download the whitepaper below for detailed information.

This ability to direct or focus sound into a tight beam has a wealth of applications. Imagine:
• Directing narration in a museum only to the people standing in front of a specific display.
• Capturing and holding customers’ attention to advertise a product or promote a brand at the point-of-purchase, without disturbing employees or causing unwanted noise pollution.
• Providing information or messages that can offer direction to shorten wait times to people standing in line.
• Directing an alarm or alert only to the intended operator in a control room environment to assist them in making timely, critical decisions.

With HSS, you can be part of Shaping the Future of Sound.

Applications:
• Digital Signage/NarrowCasting
• In-Store Advertising
• Museums
• Trade Shows
• Kiosks
• Corporate Lobbies
• Command & Control Room
• Automotive Dealerships"