I have found nothing yet that states whether the original recording is analogue or digital. I have seen that other MQA releases (from 2L) thus far, when in 44k are 24 bit, to accommodate MQA (I think). This still does not clarify the original source resolution.

Wayne

System 1: 861v6+ID40, UHD722, DSP640x2, DSP520C, DSP320x2, DSWx2, Sony XBR-100Z9D, Oppo UDP-203, Kaleidescape, AppleTV 4K
System 2: 808.3 upgraded to 808v6, MC200, HD621, DSP8000.2 with SE Upgrade
System 3: F80
Currently unused: DSP3200x4, DSP33x2, DSP33C, D1500, DSP420x2, G68ADV, G98DH, HD421