Heritage Audio OST-4 v2.0 – 4-slot 500 Series enclosure for racking modules, including double-wide and power-hungry Class-A/vacuum tube designs. Features On Slot Technology for per-slot power regulation, filtering, isolation to reduce interference and improve performance, especially mic preamps. New Link feature connects channels without patch cables.
Heavy-gauge steel chassis, RAF blue-gray finish. External linear power supply. Handbuilt in Spain for compatibility with all 500 Series devices.
MAIN FEATURES
- On Slot Technology v2.0
- Link button per channel
- 400mA per rail per slot (1.6A total)
- 140mA phantom power
- Double-wide module support
TECHNICAL SPECIFICATIONS
- Slots: 4
- Power: External linear PSU
- Dimensions (W x H x D): 482.6 x 44.45 x 160 mm
- Weight: 2.5 kg
- Included: Enclosure, 4U rack ears kit, 4-pin XLR power cable
- Product Code: OST-4 v2.0