I assume since the FT-2100 amp is a non QSK amp and is compatible with the Mark V. that a AL-1200 or 1500 would also be compatible with the Mark V. -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.362 / Virus Database: 267.12.8/162 - Release Date: 11/5/2005