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Transformer - One Electron, BFT-1B, Power
The BFT-1B from One Electron was designed to power a stereo amplifier using UBT-1's in each channel but will also power an 80 watt push-pull tube amplifier. The BFT-1B is slightly larger than earlier versions of the BFT-1, allowing lower flux density and cooler operation. The tapped high-voltage windings and three filament windings provide flexibility in design. It features a paper bobbin. An electrostatic shield between the primaries and secondaries reduces power-line noise coupling. The primary arrangements allows use on virtually any power grid in the world. Overall dimensions: 4.5" x 3.75" x 5.875" (11.4 x 9.5 x 14.9 cm). 16 lbs.
| Item Height | 3.75 in. | |
| Item Length | 4.5 in. | |
| Item Width | 6 in. | |
| Mounting Hole Center to Center A | 3.75 in. | |
| Mounting Hole Center to Center B | 4.375 in. | |
| Mounting Hole Diameter | 0.2 in. | |
| Primary | 100 / 110 / 120 / 220 / 230 / 240 V @ 50 / 60 Hz | |
| Secondary 1 | 770 VCT @ 360 mA with a set of taps at 520 VCT, capacitor-input filter load | |
| Secondary 2 | 5.0 V C.T. @ 4 A, resistive load | |
| Secondary 3 | 6.3 VCT @ 9.6 A, resistive load | |
| Secondary 4 | 6.3 V @ 4 A, resistive load |
| Packaging Dimensions | 5.8 in. × 3.8 in. × 4.5 in. | |
| Weight (Packaging) | 17.2 lbs. |
 Specification Sheet | All Models |
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