Heritage Audio OST-4 V2

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Heritage Audio OST-4 V2

Heritage Audio

OST-4 V2

4.8 Expert Rating

Product Info

Article Number: 484565
Model: OST-4 V2
Price: $405.90

* Prices may vary. Check retailer for current pricing and availability.

The OST-4 V2 is a solid, no-nonsense 500 series frame. It's built like a tank and the On Slot power delivery is a real boon for sensitive modules, preventing those annoying power-related gremlins. Ideal for engineers building a focused, high-quality signal chain without needing a massive rack.

Product Description

  • Heritage Audio OST-4 V2
  • Empty Housing for up to Four 500 Series Modules
  • On Slot technology (power regulation for each individual slot)
  • Link function (each channel can be linked to the next channel at the touch of a button)
  • Power supply with 400 mA per rack
  • Phantom power supply (140 mA max. total demand)
  • External power supply unit
  • XLR connections
  • Sheet steel housing with aluminium front panel
  • Design: 500 module series
  • Weight: 1 kg
PROS
  • • Robust sheet steel chassis provides excellent module protection
  • • On Slot technology ensures clean, stable power to each module
  • • Aluminum front panel looks and feels premium, resists wear
  • • Link function simplifies routing for complex signal chains
CONS
  • • Limited to four modules; expansion requires additional frames
  • • External power supply adds to clutter and potential noise issues
  • • 3U height can be restrictive in some rack setups

Product Video

Key Features

Module Type 500 Series
Channels 4
Controls Link Function, Power Regulation per Slot
Compatible Format 500
Weight 1 kg

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Frequently Asked Questions

It provides significantly cleaner and more stable power, mitigating hum and noise often associated with underpowered 500 racks – especially beneficial for vintage-style or high-gain modules.
No, it's a Heritage Audio-specific power supply designed to deliver the required voltage and current per slot, ensuring optimal module performance and longevity.
While the frame offers a generous 400mA per slot, exceeding that limit could cause instability or damage; carefully check module specifications before use.

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