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Vacuum Tube Data Sheets 12AX7 / ECC83
Rp = 0.047 M (ohm) |
Rg = 0.15 M(ohm) |
| Ebb (V) |
Rk (ohm) |
Ip (mA) |
Eo (Veff)6
|
Gain |
% Distortion7
|
| 200 |
1500 |
0.86 |
18 |
34 |
8.5 |
| 250 |
1200 |
1.18 |
23 |
37.5 |
7.0 |
| 300 |
1000 |
1.55 |
26 |
40 |
5.0 |
| 350 |
820 |
1.98 |
33 |
42.5 |
4.4 |
| 400 |
680 |
2.45 |
37 |
44 |
3.6 |
Rp = 0.1 M(ohm) |
Rg = 0.33 M(ohm) |
| Ebb (V) |
Rk (ohm) |
Ip (mA) |
Eo (Veff)6
|
Gain |
% Distortion7
|
| 200 |
1800 |
0.65 |
20 |
50 |
4.8 |
| 250 |
1500 |
0.86 |
26 |
54.5 |
3.9 |
| 300 |
1200 |
1.11 |
30 |
57 |
2.7 |
| 350 |
1000 |
1.40 |
36 |
61 |
2.2 |
| 400 |
820 |
1.72 |
38 |
63 |
1.7 |
Rp = 0.22 M(ohm) |
Rg = 0.68 M(ohm) |
| Ebb (V) |
Rk (ohm) |
Ip (mA) |
Eo (Veff)6
|
Gain |
% Distortion7
|
| 200 |
3300 |
0.36 |
24 |
56 |
4.6 |
| 250 |
2700 |
0.48 |
28 |
66.5 |
3.4 |
| 300 |
2200 |
0.63 |
36 |
72 |
2.6 |
| 350 |
1500 |
0.85 |
37 |
75.5 |
1.6 |
| 400 |
1200 |
1.02 |
38 |
76.5 |
1.1 |
6 Eo at grid currentstarting point.
7 The total harmonic distortion is approximatelyproportional to the output voltage.
Vacuum Tube DataSheets
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