The parts quality is very good, the documentation is truly excellent, the bottlehead forums provide fantastic peertopeer assistance, and construction is very easy. Bottlehead crack otl headphone amplifier kit this is a group buy for the acclaimed bottlehead crack headphone amplifier. Current tubes are a tung sol 5998 in place of the 6080 and an rca 5963 in place of the 12au7. I really cant find any consensus regarding the ultimate input tube. Im quite happy with my rft ecc82 and svetlana winged c 6hc in my bottlehead crack. I would love to get a tung sol 5998 but they are so exprensive and rare here in germany.
I bought a tung sol 7236 on ebay after looking for a decent priced 5998. Hi all, as an avid tube roller and owner of a bottlehead crack speedball. Ill keep the stock tubes in or at least stick with. I heard 6h5c is the military version of 6hc, so they should have the same parameters except for some ruggedization, is that correct. Some tubes labeled 2399 may also be exactly the same no complete consensus on this. Hello, i have a crack w speedball, currently use a tung sol 5998 and gold lion 12au7 i still own the stock crack tubes. Little hours on all four tubes, as well as the crack itself. Average cool looking tube with classic looking us print. National geographic readers volcanoes download pdf. Tube rolling with the bottlehead crack general dacampdap. We ordered a couple of cracks right before the price increase was announced more on that later so that probably.
A 12au7 input tube serving as a voltage amplifier, directly coupled to a 6080 power tube as a cathode follower output. I bought some 6hcs and they work great in my crack wsb. I have for sale a heavily modified and upgraded bottlehead crack. I just sold my hd600dt990 for an hd700 but havent opened and used it yet im home for winter break.
So i want to try out some 6h5c, but not sure if they would work in my crack. Tung sol 7236 orange text, if i remember correctly, this might be a bit. The bottlehead crack is a superb introduction into the world of diy audio. Shipping power cable stock 6080 tube stock input tube. Tube rolling with the bottlehead crack, any advice or suggestions. Its probably a long shot that anybody has used the 7236 but ive read that it sounds similar to the 5998.
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