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SE universal OPT 2k5 - 7k5, primary and 2/4/8/15ohm secondary by selecting the 5 secondary taps. 120ma / 12watts
$190 $140 , free matching covers
Suitable for vt25 / vt52 / 2a3 / 45 / 50 / px4 / px25 / 300b / 205d
Wiring:
5 = 19R
4 = 13.8R
3 = 9.6R
2 = 6.8R
1 = 3.4R
0 = Common
Connect according to speaker impedance and following table:
| Primary Z | 2 ohms | 4 ohms | 8 ohms | 15 ohms |
| 2K5 | 2 - 5 | 1 - 4 | 0 - 3 | 0 - 5 |
| 3K5 | 1 - 3 | 2 - 5 | 0 - 2 | 0 - 4 |
| 5K | 2 - 4 | 1 - 3 | 1 - 4 | 0 - 3 |
| 7K5 | 1 - 2 | 2 - 4 | 2 - 5 | 1 – 5 |
Fedex to Thailand, Malaysia, Singapore, Taiwan, Indonesia: $49
Ground shipping $28-$50, please inquire by email.
Free 3mm thick alumium covers (110 x 100 x 130mm)