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In the Forum: Audio Discussions
In the Thread: Initial thoughts about new/old Lamm ML2s
Post Subject: Ah, it is the cracked tube’s bases not the tubes.Posted by Romy the Cat on: 8/14/2008
Well, I never seen it happens but who know – that might be if some use “violence” on tubes. The sad part is that to replace these sockets is difficult. I have replaced in ML2 the 6C33C sockets in ML2 - it was easy but the 5651 are PC board-mounted and to replace them need to the amp board taken out. I did take the ML2’s PC board out – just a few screws and 20-30 connectors. The connectors are well-colored and shell not be confided. So, take a good phonograph of the connectors and then you will not confuse them. In worse case you will have the other amp for color references (Lamm build then identically). Alternatively the 5651 uses just two contacts – anode and cathode it has 7 pins and 3 pairs of contacts the do the same. So, if your tube base cracked and some of the pins got loose then you might find an adopter with fat pins that you might permanently place atop of the damaged socket, bridging it.
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