Hi Fi and amp transformers
Author: Kevin M Date Posted:3 November 2017
Below is a short table of the key factors used when choosing a transformer, for detailed information on size and mounting dimensions please visit here and search for the model you are interested in,
3 types of transformers listed on the page.
1. High Voltage Plate and Filament
2. Potted High Voltage Plate and Filament
3. High Voltage Plate
Please note: That whilst not all transformers are on our website ready to purchase, we can special order in all transformers listed simply by emailing info@evatco.com.au with our request.
| Part No. | VA | A.C High Voltage Secondary R.M.S | BIAS tap on Hig Voltage secondary with C.T grounded (VAC) | Filament #1 (VAC) | Filament #2 (VAC) | Filament #3 (VAC) | Filament #4 (VAC) |
| 363AX | 32 | 200V C.T. @ 115ma. | 50 | 5V C.T. @ 2A | - | - | - |
| 369AX | 40 | 250V C.T. @ 115ma. | 50 | 6.3V C.T. @ 2A | - | - | - |
| 369BX | 39 | 300V C.T. @ 86ma. | 50 | 6.3V C.T. @ 2A | - | - | - |
| 363CX | 119 | 360V C.T. @ 288ma. | 50 | 5V C.T. @ 3A | - | - | - |
| 369EX | 45 | 380V C.T. @ 75ma. | 50 | 6.3V C.T. @ 2.5A | - | - | - |
| 369HX | 120 | 450V C.T. @ 150ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 369KX | 188 | 450V C.T. @ 300ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 370X | 41 | 480V C.T. @ 46ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 1.5A | - | - |
| 370AX | 44 | 480V C.T. @ 58ma. | 50 | 6.3V C.T. @ 2.5A | - | - | - |
| 369GX | 50 | 450V C.T. @ 75ma. | 50 | 6.3V C.T. @ 2.5A | - | - | - |
| 369JX | 50 | 500V C.T. @ 69ma. | 50 | 6.3V C.T. @ 2.5A | - | - | - |
| 370CAX | 66 | 500V C.T. @ 81ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2.5A | - | - |
| 370JX | 133 | 500V C.T. @ 161ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 370KX | 229 | 500V C.T. @ 322ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 6A | - | - |
| 370DAX | 76 | 520V C.T. @ 104ma. | 50 | 6.3V C.T. @ 3.5A | - | - | - |
| 370BX | 55 | 550V C.T. @ 58ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2A | - | - |
| 370CX | 59 | 550V C.T. @ 75ma. | 50 | 6.3V C.T. @ 0.6A | 6.3V C.T. @ 2.5A | - | - |
| 370DX | 86 | 550V C.T. @ 104ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 3A | - | - |
| 370EX | 119 | 550V C.T. @ 144ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 4A | - | - |
| 370FX | 141 | 550V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 370HX | 180 | 550V C.T. @ 230ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 370LX | 340 | 550V C.T. @ 460ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 9A | - | - |
| 370MX | 403 | 550V C.T. @ 575ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 9A | - | - |
| 371X | 63 | 560V C.T. @ 69ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2A | - | - |
| 372BX | 98 | 600V C.T. @ 115ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 3A | - | - |
| 372DX | 127 | 600V C.T. @ 144ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 4A | - | - |
| 372FX | 150 | 600V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 302AX | 198 | 600V C.T. @ 230ma. | 50 | 2.5V C.T. @ 2.5A | 5V C.T. @ 3A | 6.3V C.T. @ 6A | 2.5V C.T. @ 2.5A |
| 372HX | 191 | 600V C.T. @ 230ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 372JX | 243 | 600V C.T. @ 288ma. | 50 | 5V C.T. @ 4A | 6.3V C.T. @ 8A | - | - |
| 372KX | 432 | 600V C.T. @ 575ma | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 9A | - | - |
| 372LX | 520 | 600V C.T. @ 690ma | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 12A | - | - |
| 372X | 75 | 620V C.T. @ 81ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2.4A | - | - |
| 376X | 157 | 640V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 373EX | 311 | 650V C.T. @ 345ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 9A | - | - |
| 373FX | 386 | 650V C.T. @ 460ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 9A | - | - |
| 373DX | 101 | 700V C.T. @ 104ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 3A | - | - |
| 373X | 125 | 700V C.T. @ 127ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 4A | - | - |
| 373BX | 187 | 700V C.T. @ 201ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 373HX | 369 | 700V C.T. @ 403ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 9A | - | - |
| 373JX | 710 | 700V C.T. @ 863ma. | 50 | 5V C.T. @ 6A | 6.3V C.T. @ 12A | - | - |
| 374AX | 136 | 720V C.T. @ 138ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 3.5A | - | - |
| 374X | 141 | 750V C.T. @ 127ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 374BX | 200 | 750V C.T. @ 201ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 375X | 171 | 800V C.T. @ 155ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 378X | 237 | 800V C.T. @ 230ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 300BX | 280 | 800V C.T. @ 288ma. | 50 | 5V C.T. @ 1.2A | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - |
| 378CX | 465 | 800V C.T. @ 534ma. | 50 | 6.3V C.T. @ 6A | - | - | - |
| 379WX | 940 | 800V C.T. @ 1.06 A or 850V C.T. @ 1A | 60* | 6.3V C.T. @12A | - | - | - |
| 379X | 193 | 850V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 382X | 283 | 1,000V C.T. @ 230ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | - | - |
| 384X | 329 | 1,200V C.T. @ 230mA | 50 | 5V @ 3A | 6.3V @ 3A | 6.3V @ 3A | - |
| 370DAZ | 76 | 520V C.T. @ 104ma. | 50 | 6.3V C.T. @ 3.5A | - | - | - |
| 373AZ | 49 | 650V C.T. @ 46ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2A | - | - |
| 373CZ | 159 | 650V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | - | - |
| 373DZ | 101 | 700V C.T. @ 104ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 3A | - | - |
| 369AXP | 40 | 250V C.T. @ 115ma. | 50 | 6.3V C.T. @ 2A | - | ||
| 370XP | 41 | 480V C.T. @ 46ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 1.5A | ||
| 369GXP | 50 | 450V C.T. @ 74ma. | 50 | 6.3V C.T. @ 2.5A | - | ||
| 369JXP | 50 | 500V C.T. @ 69ma. | 50 | 6.3V C.T. @ 2.5A | - | ||
| 370CAXP | 66 | 500V C.T. @ 81ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2.5A | ||
| 370DAXP | 76 | 520V C.T. @ 104ma. | 50 | 6.3V C.T. @ 3.5A | - | ||
| 370DXP | 86 | 550V C.T. @ 104ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 3A | ||
| 370EXP | 119 | 550V C.T. @ 144ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 4A | ||
| 370FXP | 141 | 550V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | ||
| 370HXP | 180 | 550V C.T. @ 230ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | ||
| 372FXP | 150 | 600V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | ||
| 372HXP | 191 | 600V C.T. @ 230ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | ||
| 372JXP | 243 | 600V C.T. @ 288ma. | 50 | 5V C.T. @ 4A | 6.3V C.T. @ 8A | ||
| 372XP | 75 | 620V C.T. @ 81ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 2.4A | ||
| 376XP | 157 | 640V C.T. @ 173ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | ||
| 373XP | 125 | 700V C.T. @ 127ma. | 50 | 5V C.T. @ 2A | 6.3V C.T. @ 4A | ||
| 374AXP | 136 | 720V C.T. @ 138ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 3.5A | ||
| 374XP | 141 | 750V C.T. @ 127ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A | ||
| 374BXP | 200 | 750V C.T. @ 201ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 6A | ||
| 375XP | 171 | 800V C.T. @ 155ma. | 50 | 5V C.T. @ 3A | 6.3V C.T. @ 5A |
| Part No. | VA | A.C High Voltage Secondary R.M.S | H.V. Secondary Cureent (CCS) (ICAS) | |
| 710A | 110 | 750V C.T. | 147ma. | 221ma. |
| 712A | 130 | 850V C.T. | 215ma. | 323ma. |
| 714A | 180 | 1,020V C.T. | 170ma. | 255ma. |
| 715A | 200 | 1,020V C.T. | 300ma. | 450ma. |
| 717A | 510 | 1,020V C.T. | 500ma. | 750ma. |
| 718A | 235 | 1,250V C.T. | 200ma. | 300ma. |
| 720A | 370 | 1,250V C.T. | 300ma. | 450ma. |
| 722A | 625 | 1,250V C.T. | 500ma. | 750ma. |
| 724A | 345 | 1,500V C.T. | 226ma. | 339ma. |
| 726A | 312 | 1,780V C.T. | 202ma. | 299ma. |
| 728A | 210 | 2,000V C.T. | 175ma. | 263ma. |
| 732A | 500 | 2,500V C.T. | 200ma. | 300ma. |
| 733A | 750 | 2,500V C.T. | 300ma. | 450ma. |
| 735A | 735 | 3,000V C.T. | 250ma. | 375ma. |
| 737A | 1200 | 3,000V C.T. | 400ma. | 600ma. |
| 739A | 1400 | 3,500V C.T. | 400ma. | 600ma. |
