Gramophone Dreams #53: RAAL-requisite HSA-1b headphone/loudspeaker amplifier

Today is Monday. Since Saturday, I have changed the amplifier driving my Falcon Gold Badge LS3/5a speakers three times—from the Parasound Halo A21+ (250Wpc into 8 ohms) to the Pass Labs XA25 (>25Wpc into 8 ohms) to the Elekit TU-8600S (9Wpc into 8 ohms). Now I am listening to the Falcons via the just-arrived RAAL-requisite HSA-1b headphone and speaker amplifier. This unusual, made-in-Serbia amp is priced at $4500. It’s specified to produce 10Wpc into 8 ohms, 20Wpc into 4 ohms, 40Wpc into 2 ohms, and 55Wpc into 1 ohm, these values from the loudspeaker output