B&K PT3 series II Pre Amp. $200
Used lightly in second system.. Has been in storage for a couple of years.
https://www.soundstageaccess.com/equipment/bk_pt3_st2140.htm
Marantz PM5004 Integrated Amp. $300
Used lightly in second system. Has been in storage for a couple of years.
https://www.marantz.com/on/demandware.static/-/Library-Sites-marantz_europe_shared/default/dw4b11f917/archive-downloads/05_en_pm5004.pdf