| Country of Origin | United States |
|---|---|
| Country//Region of Manufacture | United States |
Check the listing for details. Moving Coil Phono Step Up box for Newcomb TR-91/TR-100 Mic Transformers MC SUT. Made in United States. Listed at 159.00 USD. The TR-91 has a step up ratio of approx 1:15 on low gain, 1:30 on high, and the TR-100 is 1:10 and 1:20. On the high gain setting, this box does put the primaries in parallel rather than just using the center tap, in order to use the full amount of copper possible in both settings.
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