The UPD pushes the Maharaj ahead of the Sony in terms of long-term comfort, though the Z1R still wins in pure sub-bass quantity.
In technical manuals or laboratory settings, "UPD" is a common shorthand for "Update" or "User Port Device." Related Industry Context Maharaj Audio Labs UPD
As the name suggests, it is an incredible "driver." It can handle long cable runs to power amplifiers without any signal degradation or loss of high-frequency information. The UPD pushes the Maharaj ahead of the
We benchmarked a pre-UPD MAL-Reference preamp against a post-UPD unit in the same listening environment (Revel Salon 2 speakers, 500-watt monoblocks, treated room). Maharaj Audio Labs UPD