On the display, we see input #5 selected and volume set to 05. It's perfectly intuitive which of the finely textured knobs changes inputs and which level. Green is for power, orange for signal lock. The metal footers are easily adjustable for leveling. A closeup of the plaque shows jewel-type finish concomitant with the luxury positioning. Swiss made? Absolutely!

As we learnt from my review of the 1MHz Linnenberg Allegro monos: "...creating circuits with unrivalled speed and response time is, amongst other things, a matter of physical closeness of electronic parts. The higher the frequency, the more important it is to reduce every millimeter of board trace." From the implied tight packing of parts, we wouldn't expect the circuit board of the Telos 590 to be anywhere near as sizeable as the casework might otherwise contain. And it's not. It's not that kind of sprawling massively stacked design. But still there are two power transformers to run the power supply dual mono. Looking more closely we see four power transistors per channel - the same as the Job 225. This explains why power nowhere near doubles into 4Ω. Unlike our $6'500 Pass Labs XA-30.8 with its 20 power transistors per side conservatively rated for just 30wpc in pure class A, Goldmund prefer the minimum number of transistors to achieve their nominal rating at maximum speed. Device location in the middle of the chassis and mounted to the bottom right below the PCB makes for a far shorter circuit than bolting each channel's Mosfets to an opposing heat sink. Their fins simply dissipate whatever thermal action hits them from the thick bottom plate. Hence nothing else bolts to the heat sinks directly, just the chassis panels.

The two big black capacitors are 6'800µF/250V each. Even though the PCB indicates high and low gain with an arrow, there are neither visible jumpers to change it nor does the spiral-bound owner's manual make any mention. Because Goldmund have always used the same amplifier boards for their active speakers, the channel identifiers aren't left/right but tweeter/woofer.

The XMOS-based USB transceiver shows the usual three clocks.

The Taiwan-sourced twin toroids run 55V and 13V secondaries each.

The loathsome plastic-nut speaker terminals of the Job 225 remain. Already on that model they were questionable. At well north of 10 times its sticker now, they become a downright insult. They're far too shallow for bananas to insert properly. The actual contact sleeve is even shorter than the plastic nut. That wastes at least half a banana's shaft and makes for a pathetically flimsy connection. Why don't Goldmund's dealers flatly refuse these terminals? Are their clients that nonchalant about a proper mechanical connection? No matter how splendid these might sound, the present sockets are mechanically poor. But because this amp sounded truly terrific, my ire from Eire proved short lived. Still, it was a dirty bathroom in an otherwise immaculate office. Sack the building manager I say!

$6'500 Pass Labs XA-30.8
€25'000 Goldmund Telos 590 NextGen
€4'990/pr Linnenberg Audio Adagio