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Heritage Audio OST-4 Four-Slot 500-Series Rack - Used  From Heritage

A four-slot 500-series chassis in a compact square box format featuring Heritage Audio's proprietary "ON SLOT" Technology (OTS).

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This specific item was photographed by us here in Durham, North Carolina. We are a very small team dedicated to providing you the most accurate photos possible, through our obsessive focus - individually photographing nearly everything that comes through the door. Questions about what you see? Want more information, photos, or just a friendly conversation with someone that cares and who has actually had their hands on this exact item? Contact us now!
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Sound Pure's dedication to pre-owned products is unprecedented in the industry. We are a small team of dedicated experts that buys, trades, and consigns. We are trusted by customers all over the world. Our curated collection, is thoroughly tested and inspected by some of the best in the business. Our inventory is constantly changing, ever-evolving, with some items sold before reaching the website. Looking for something specific? Have questions about this product's condition or history? Want more photos, or to simply chat with an expert who's had his hands on this actual piece? Contact us now.
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Heritage Audio

"Gone, Baby, Gone"

This one is sold. Don't miss the next one. Some things never even make it to the site so stay up to date on our used collection.

We get in many oddities, rare and vintage products, most of which go fast. If you're on the hunt for something specific, something unique, or something priced right, let us notify you on our used collection before the items even hit the site.

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Condition: Used, Good

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Manufacturer's Description from Heritage

The OST-4 is a 500 Series enclosure in a "square box" format, able to accommodate up to 4 modules. As the rest of the new Heritage Audio line of 500 Series enclosures, it features "ON SLOT" Technology (OTS).
 
"ON SLOT TECHNOLOGY" takes advantage of last generation power electronics to handle power supply on a "per slot" basis. Each slot has its own power supply linear regulation stages, therefore modules are isolated from the rest. They just share the metal enclosure.
 
With literally hundreds of brands making 500 series modules, we at Heritage Audio think this is the professional way of handling this reliably, eliminating issues often associated with sharing power between different modules of different brands and natures.
 
Each slot features test leds for checking correct power operation (red for +16v, green for -16v), located aside of the slot connector.
 
Thanks to the use of OST, the power capability of the OST-10 is 400mA per rail per slot maximum, with an overall of 700mA per rail, whichever is reached first. Each slot has its own red (+16v) and green (-16v) leds for easy testing of the power status.
 
Phantom power available is 80mA total.
 
The RAF Blue Gray enclosure is made out of heavy gauge steel in the United Kingdom.
 
Connections are by means of gold plated XLR Input and Outputs.
Heritage Audio

About Manufacturer

Heritage Audio is one of the few premier manufacturers of Neve preamp and compressor clones. With their established team of veteran designers, they claim to offer the most historically accurate clones of the fabled Neve units.

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