tomb
Member of the Trade: Beezar.com
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Hello again. I've been thinking for some time now and looking for answers in this thread, but i can't find what I'm looking for.
My question is if there is any chance that this amp(12au7 build) will fry any low impedance headphones? The only thing I've seen is that you can protect your
headphones during the startup sequence by adding diodes. Is there any good tutorial on how to do this since I didn't really understand how it's done.
Thanks in advance!
Buy a Millett Hybrid MiniMAX.
Seriously, I don't often make a statement like that because I sell the MiniMAX. I also sell the current kit offering of the Starving Student. However, it's a valid statement. If you are really concerned and don't trust yourself to wait until the amp is warmed up before plugging in your phones, then you need to build something else that has a true, delay-relay circuit (or transformer output) that will protect headphones under most circumstances.
Search this thread. There have been numerous discussions about relay-delays - both early on in this thread and relatively recently. As with everything else, it will take more effort and money. At some point, you enter into diminishing returns about whether it's a better decision to upgrade the Starving Student, or build something else that was designed to include more features at the outset.
Seriously, the Starving Student offers fantastic performance at an extremely low cost (Thank you, Pete Millett!). However, there are certain limited expectations that you should temper as a result of that low cost.
EDIT: Sorry - it seems like Groundhog Day for some of these questions and I am perhaps over-reacting a bit.