Audio Research GS 150 or REF 75SE?

Is the GS 150 an upgrade to the REF 75SE?

petethomas12-31-2024 3:40am

ghdprentice Details Discussions Posts This discussion Message User 7,105 posts 01-01-2025 at 05:20pm Copy Comment URL Report Comment Edit Delete @welcher You are correct, The autobias and soft start are only on the most recent rendition of ARC amps.
gpgr4blu Details Discussions Posts This discussion Message User 1,091 posts 01-01-2025 at 05:24pm Copy Comment URL Report Comment Edit Delete @docknow I agree.
petethomas OP Details Discussions Posts This discussion Message User 1 posts 01-03-2025 at 12:38am Copy Comment URL Report Comment Edit Delete All, Thank you for your thoughts and insights, as with many things audio it boils down to how gear sounds to your. I have no major complaints with my REF 75SE but as an owner of a GS Preamp was/am curious if a REF 150 / GS 150 is a clear upgrade.