adhoc
Headphoneus Supremus
- Joined
- May 26, 2003
- Posts
- 3,065
- Likes
- 129
Quote:
PFKMan23,
that's my point exactly - just because the pin out and filament draw/voltage is the same, does not mean that the tube is really a substitute.
Let me use an analogy- meat is mainly protein. So is tofu. But can tofu really substitute for meat? Depending on your needs, yes and no! If you're just looking for a protein source (i.e. something that works), it's perfectly fine. But if you're looking for a genuine substitute it certainly won't make the cut.
| Originally Posted by PFKMan23 /img/forum/go_quote.gif The pin out is the same and the heater current and voltage are appropriate for the amp. So long as you are keeping the limits of the resitors and trasformer in mind you should be fine. Of course something like a 6528 with the same pin out as the 5998 isn't necessarily ok, because it draws 5 amps of heater current per tube which when totaled would exceed the transformer. As long as you're not taxing the transforemr too hard you should be fine. Although, that being said you need to make sure things work ok in the long run or are practical as an amp optimized for something like a 12au7 won't necessarily be ok with the 12ax7 given the difference in gain. That's especially something you need to keep in mind with tubes that draw more heater current than the stock tube types. Of course you need to research the tubes first... |
PFKMan23,
that's my point exactly - just because the pin out and filament draw/voltage is the same, does not mean that the tube is really a substitute.
Let me use an analogy- meat is mainly protein. So is tofu. But can tofu really substitute for meat? Depending on your needs, yes and no! If you're just looking for a protein source (i.e. something that works), it's perfectly fine. But if you're looking for a genuine substitute it certainly won't make the cut.
