These are very high quality power supply transformers that can be used for:
1. Tube rectifier with choke input power supply to achieve about 450 VDC nominal;
2. High voltage supply for that SE project you've been thinking about.
Freed KP10 XFMR specs:
Primary: 115
Sec. 1: 1100 VCT
Sec. 2: 6.3V @ 4A
Sec. 3: 5V @ 3A
$49 each plus shipping
1. Tube rectifier with choke input power supply to achieve about 450 VDC nominal;
2. High voltage supply for that SE project you've been thinking about.
Freed KP10 XFMR specs:
Primary: 115
Sec. 1: 1100 VCT
Sec. 2: 6.3V @ 4A
Sec. 3: 5V @ 3A
$49 each plus shipping