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Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.

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T-6L6GC-M-STR-XVacuum Tube - 6L6GC-M-STR, Ruby Tubes
Octal power tube (Max Plate Watts = 30W)
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T-12AX7A-C5Vacuum Tube - 12AX7A-C5, Ruby Tubes

9 pin miniature preamp tube (Amplification Factor = 100). This is the ubiquitous Chinese 12AX7 with added selection. The gain is high and the American "Ruby Tubes" must be filtering out the noisiest ones.


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T-5AR4-CVacuum Tube - 5AR4, Ruby Tubes
5AR4 Ruby, Rectifier Tube
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T-12AT7-CVacuum Tube - 12AT7, Ruby
12AT7 Preamp tube, Ruby brand
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