I have used both the Creek OBH-12 and the DLC in the manner you intend to use them, although not with vintage gear. The DLC suited my system better, especially for the used prices.
The Creek is a very good option. The DLC is also quite good. I like the Chase because of all it's capabilities even though it is a passive design. I've actually used it as a line stage while my tube pre was away for mods.
With all due respect to Narrod, I have also owned both units, and, to my ears anyway (and in my system), the DLC is a much better-sounding unit. No competition, really. For what the DLC is selling for these days-typically well under $300-I think it is a very good value. Just my two cents...
Find a Chase RLC-1 to add remote control to your system. Cheaper, more flexible, more functionality and more transparent than the DLC. I've owned both.
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