Compression faucets use o rings to create a watertight seal inside the faucet.
Ceramic cartridge going stiff.
I posted a simple preamplifier using a single transistor.
On ceramic cartridges the most common failures as mentioned above are that the flexible elements in the cartridge will harden.
No modification to the actual circuitry is needed.
Foxinsox wrote hi all just thought i d share a tip if anyone is looking for a cheap and easy phono preamp that is suitable for ceramic cartridges.
Other times there is a rubber brass or ceramic seat in the bottom of the cartridge opening which is actually forming the seal.
It s true that ceramics have a higher output and will follow roughly the riaa curve but it s also true that they really need a high impedance input which is likely on a valve tube amp but unlikely on a solid state auxiliary input.
Plus you would need to preamplify the cartridge and cobble something to remove weight from the tone arm.
Wide spread faucets are common.
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The brass and rubber can no longer fit properly into the hole in the cartridge cylinder and it can leak.
Because internal ceramic plates move to control the water flow not exterior o rings and the unit must be replaced.
Faucets that use ceramic cartridges do not become stiff versus a compression faucet that eventually does.
These consist of the mounts for the ceramic reeds and especially the bridge which transmits vibrations from the cantilever to the reeds.