One of my first stops at Munich High End 2024 was at the Stromtank power regenerator display in Halle 3. Accustomed to seeing the visually imposing Stromtank “A Mighty Fortress is our God” computer-monitored battery power supply units in either silver or black, it was a surprise to encounter the Stromtank S-2500 Quantum Mk2 ($30,000)—the unit I currently use—in white.

Even more surprising: the forthcoming mammoth S-6000 will be available in red and white. Literature was not yet available, but it is said to contain two converters—the S-1000 ($17,000) and S-2500 contain only one—and can provide a whopping 3000VA continuous output power.

When I asked the difference between MK-I and MK-II models—I’m set to review the S-4000 ProPower MK-II ($40,000) shortly—I learned that the former’s DC voltage is 24, while the MK-II’s is 48. “They need less current, and both sound quality and dynamics are better,” company founder Wolfgang Meletzky told me.

Detailed information on the S-6000 did not arrive by press time—I’ll add what I learn in the comments section later on. While there I snapped a photo of Meletzky, CEO Annett Dehmel, and research & engineering mastermind Sven Böttcher surrounding the S-2500 Quantum Mk2.

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