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Power Tube Comparison
Chart
(All Tubes #5)
| Tube Type |
Bias |
Comments |
| GT-6V6C |
-46vdc |
Warm, strong, nice edge. |
| GT-6V6R |
-48vdc |
Smooth, warm, slightly
dark. |
| GT-KT66HP |
-61.9vdc |
GT design. Exact NOS
spec, warm bouncy tone, great highs. |
| GT-KT66C |
-61.2vdc |
High power, warm tone
balance. |
| GT-6L6GE |
-61.0vdc |
Exact GE design using
their
original tools. Strong, articulate musical. |
| GT-6L6R(B) |
-56.0vdc |
Slightly aggressive,
harder edge yet still warm. |
| GT-6L6R2 |
-56.0vdc |
New Russian design,
strong, hard tone. |
| GT-6L6C |
-54.3vdc |
Crisp, solid, ideal for
Country Rock. |
| GT-6L6S |
-49.7vdc |
GT design, highest power
6L6, strong bass and highs. |
| GT-E34LS |
-50.5vdc |
GT design, most powerful
EL34,
big bass, crunchy top. |
| GT-EL34C |
-47.3vdc |
Looser, crunchy and
slightly less bass. |
| GT-EL34R |
-49.9vdc |
Linear response with
harder edge. |
| GT-EL34R2 |
-49.9vdc |
Linear response with
harder edge. |
| GT-6550C |
-68.2vdc |
Soft distortion, round
and warm. |
| GT-6550R |
-66.0vdc |
New 6550A copy, less
power shorter life. |
| GT-KT88SV |
-69.1vdc |
GT design, replicates
Genelex |
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Miscellaneous