How to Spot Rare German 12AU7 Tubes featuring the RARE Siemens Silver Plate!

[matt420740]

I keep my semen on a silver plate as well.

[Burnwash]

The way you keep making that wet, smacking sound makes me want to throw up.

[dsl100stack]

i have a nos 12au7a that has a black plate and a diamond/square shaped getter. i believe it to be a rca. are these valuable?

[lidesnowi]

I have 6 Telefunken Diamond Bottom ECC803s!

just wonder if these are worth something these days?

They sure sound good in my old Marshall!

[audiotubes]

Awesome! These are rare tubes and are worth keeping!!

[audiotubes]

Hang on to them, they keep getting more valuable. These really shine in phono and mic preamps. The Telefunken smoothplates sound nearly as good at a lower cost, however.

[TheWarped45]

@lidesnowi about $600.00 each. lucky

[audiotubes]

Telefunken tubes rock! But give these silver beauties a try too. They are currently less expensive and sound like the Teles!

[sophiegromit]

I absolutely LOVE the sound of TELEFUNKEN tubes! I have a classic, vintage FISHER 500 tubed stereo receiver circa the mid 1960's, which has these great tubes. It is one of my most prized audiophile pieces!