A quick follow up on my active preamp situation. The combination of the Supratek preamp and Firebottle KT88 is sublime. for the longest time I seemingly couldn’t get any bass out of the combo. Or at least I was getting a lot less than with a passive preamp. I don’t usually give much credence to burn in but it’s the only explanation I can give.
My favorite combo is round plate Tungsol 12sn7 tubes in the preamp and a tall bottle JAN Sylvania 6sl7 input with Sylvania 6ez5 output tubes and RCA 5u4g rectifier in the Firebottle.
So yeah, while I could get adequate volume with a passive preamp, a good active can add a lot to your system.
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