|
| Vacuum Tube Amplifier Output transformer - |
| Model |
Impedance (R) |
Frequency Response (Hz) (-3dB) |
Audio Watts |
Max Current (mA) |
Primary Inductance |
Recommended Tube Application |
Data Sheet |
| Primary |
Secondary |
| OP3KA |
3.0K |
0/4/8 |
15 - 50,000Hz |
8W |
100mA |
20H |
|
|
| OP3KA_1 |
3.0K |
0/4/8 |
15 - 100,000Hz |
20W |
80mA |
14H |
300B,2A3,EL34,KT88 |
|
| OP3KA_2 |
3.0K |
0/4/8 |
20 - 40,000Hz |
12W |
100mA |
10H |
6V6,2A3,6B4G,6F6 |
|
| OP3K5A |
3.5K |
0/4/8 |
15 - 50,000Hz |
10W |
100mA |
25H |
|
|
| OP3K5AB |
3.5K |
0/4/8 |
20 - 60,000Hz |
70W |
150mA |
100H |
|
|
| OP3K5AB_1 |
3.5K |
0/4/8 |
10 - 100,000Hz |
50W |
150mA |
60H |
with UL tap |
|
| OP3K8AB |
3.8K |
0/4/8 |
30 - 50,000Hz |
50W |
250mA |
20H |
6L6, 6CA7, 6550,(NFB) |
|
| OP5KA |
5.0K |
0/4/8 |
15 - 50,000Hz |
10W |
100mA |
30H |
EL84 |
|
| OP5KA_1 |
5.0K |
0/4/8 |
20 - 60,000Hz |
20W |
80mA |
25H |
45,50,811, |
|
| OP5KA_2 |
5.0K |
0/4/8 |
15 - 80,000Hz |
40W |
100mA |
38H |
845 |
|
| OP5KAB |
5.0K |
0/4/8 |
20 - 60,000Hz |
70W |
150mA |
200H |
|
|
| OP5KAB_1 |
5.0K |
0/4/8 |
10 - 80,000Hz |
50W |
130mA |
70H |
with UL tap |
|
| OP6K6AB |
6.6K |
0/4/8 |
30 - 50,000Hz |
30W |
150mA |
10H |
6L6, KT66, 6CA7 (NFB) |
|
| OP7KA |
7.0K |
0/4/8 |
15 - 30,000Hz |
5W |
50mA |
25H |
|
|
| OP8KAB |
8.0K |
0/4/8 |
30 - 50,000Hz |
30W |
150mA |
10H |
6L6, 6GB8, 6CA7,(NFB) |
|
| OP10KA |
10.0K |
0/4/8 |
15 - 50,000Hz |
50W |
100mA |
60H |
211,845 |
|
|
