• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Noah's Ark for electron tubes

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Hi,
If You had to save ten types of Electron tubes of whole world production
Which would you bring inside the ark?
Why? :clown:

tnx ! :D
 

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w5jag said:
5R4, 6AQ5, 6AU6, 6BA6, 6DC6, 6EA8, 6L6, 12AT7, 6146, 6550.

Because you can build about anything from DC up to about 175MHz from those types.

Win W5JAG

If I could go to eleven, I'd include 3-500, 4-1000, or something in that class.

Can we change our mind? I want to pull 6AQ5 from my list, and add 6GK6 in its place.

Win W5JAG
 
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gianis said:
:) EF86
E80CC
ECC33
ECC35
RE084
L 63
CV181

AD1
PX25
CV243
KT66
KT88
EL37
EL503
EL51

6336
7241
6384 :cannotbe:

Oops, a little over the limit.. Noah has a problem.. :D

If some largesse was permitted and I could add a few extra tubes without deleting any I would add:

6BY5
GZ32
GZ33
6CA4
5U4

VR150
85A2
5651

6BQ5
6L6GC
6550
6336A/B

6SL7
6FQ7
12HG7

12A
30
71A
2A3
211
845
 
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