Cabernet

About the Cabernet

The Supratek Cabernet is a hand-built, tube-based line preamplifier from Australian manufacturer Supratek. The name covers several closely related versions, principally the 6SN7 Cabernet and the Cabernet DHT. The 6SN7 version uses transformer-coupled circuitry and 6SN7-based gain/output stages, while the DHT version uses a 6SN7 driver stage and directly heated triode output tubes, commonly 300B, 45, or 2A3 depending on configuration. A Dual version provides two independent output stages with separate gain control, making it suitable for bi-amping or active loudspeaker systems. The preamplifier is typically supplied as a two-chassis design with a separate, tube-regulated power supply, remote volume control on some versions, selectable balanced or unbalanced operation, and multiple line-level outputs. Published information is configuration-dependent and does not establish one universal specification sheet for every Cabernet built.