| Part Number | Quantity | | Manufacturer | Date Code | Comment |
| STK 4171V | 2 | | | | 2X40W/32V/POWER AMP.50KHZ SIP18 |
| STK 4181 II | 3 | | | | 2-CHANN.AF POWER AMPLIFIER 45W |
| STK 4182II | 2 | | | | DUAL POWER-AMPL.2X45W |
| STK 4191II | 3 | | | | 2-CHANN.AF-POWER AMPL.50W |
| STK 4191V | 2 | | | | 2 X 50W/35V POWER AMPLIFIER 50KHZ |
| STK 4192-II | 3 | | | | 2-CHANNEL POWER AMPLIFIER 2 X 50W/35V/50KHZ SIP18 |
| STK 4211II | 3 | | | | 2X270W/42V/POWER AMP.50 SIP22 |
| STK 4231V | 2 | | | | POWER AMP/2 X 100W/51V 50KHZ |
| STK 4241V | 11 | | | | 2X120W/54V POWER AMPLIFIER 50KHZ |
| STK 433 | 1 | | | | 2-CHANN.AMPL.5W/15SIL |
| STK 433-320E | 2 | | | | THICK-FILM HYBRID IC 3-CHANNEL CLASS AB AUDIO AMPLIFIER =ST |
| STK 4332 | 1 | | | | 2-CHANN.AF-POWER AMPLIFIER 25W =STK413 |
| STK 435 | 1 | | | | 2-CHANN.AF-AF-POWER AMP. |
| STK 4352 | 1 | | | | 2-CHANN.AF-POWER AMPL.7W |
| STK 436 | 1 | | | | 2-CHANN.AF-POWER AMPL.10 W |
| STK 4372 | 2 | | | | 2-CHANN.AF-POWER AMPL. 12W =STK 437 |
| STK 439 | 6 | | | | 2-CHANN.AF-POWER AMPL.15W |
| STK 4392 | 1 | | | | 2-CHANN.AF-POWER AMP.15W |
| STK 442-110 | 2 | | | | PWR AMP 2*110W/6E/54V 10% REF7257 PHILIPS FWC399/25 |
| STK 442-130 | 2 | | | | POWER AMP/2*150W/6E/63V/10 |
| STK 443 | 2 | | | | 2-CHANN.AF-POWER AMPL.25W |
| STK 460 | 3 | | | | VOLTAGE REGULATOR |
| STK 463 | 21 | | | | POWER AMPLIFIER ROHS CONFORM |
| STK 465 | 37 | | | | 2-CHANNEL AF-POWER AMPLIFIER 30W =STK 461 =STK 463 IF NO ST |
| STK 470-040 | 1 | | | | VOLTAGE REGULATOR |
| STK 4833 | 2 | | | | 2-CHANNEL AF-POWER AMPLIFIER 25W |
| STK 4853 | 1 | | | | 2-CHANN.AF-POWER AMPLIFIER 30W |
| STK 490-040 | 2 | | | | AUDIO AMPLIFIER |
| STK 5211 | 2 | | | | VOLTAGE REGULATOR = STK 5210 |
| STK 5322 | 2 | | | | VOLTAGE REGULATOR |
| STK 5326 | 9 | | | | VOLTAGE REGULATOR |
| STK 5331 | 7 | | | | VOLTAGE REGULATOR SIP08 |
| STK 5332 | 20 | | | | VTR REGULATOR |
| STK 5333 | 21 | | | | VCR VOLTAGE REGULATOR SIP08 |
| STK 5335 | 3 | | | | VCR VOLTAGE REGULATOR |
| STK 5337 | 1 | | | | VOLTAGE REGULATOR |
| STK 5338 | 2 | | | | VTR REGULATOR |
| STK 5342 | 2 | | | | VCR VOLTAGE REGULATOR |
| STK 5353 | 1 | | | | VOLTAGE REGULATOR |
| STK 5361 | 8 | | | | VOLTAGE REGULATOR SIP08 |
| STK 5372H | 2 | | | | VCR VOLTAGE REGULATOR SIP08 |
| STK 5391 | 9 | | | | VOLTAGE REGULATOR |
| STK 5392 | 3 | | | | VCR VOLTAGE REGULATOR PANASONIC NVL20 ETC. IF NO STOCK-->N.L |
| STK 5421 | 6 | | | | VOLTAGE REGULATOR |
| STK 5422 | 2 | | | | VTR REGULATOR |
| STK 5431 | 3 | | | | SWITCHING REGULATOR |
| STK 5434 | 7 | | | | VCR REGULATOR |
| STK 5436 | 3 | | | | VOLTAGE REGULATOR |
| STK 5446 | 5 | | | | VOLTAGE REGULATOR SIP10 |
| STK 5466 | 1 | | | | 3 OUT VCR REGULATOR |
| STK 5471 | 2 | | | | REGULATOR-IC |
| STK 5481 | 10 | | | | VTR REGULATOR |
| STK 5482 | 54 | | | | VTR REGULATOR |
| STK 5487 | 1 | | | | VOLTAGE REGULATOR |
| STK 5490 | 3 | | | | 4 OUTPUT VCR REGULATOR |
| STK 583F | 1 | | | | VOLTAGE REGULATOR |
| STK 6962 | 42 | | | | MOTOR DRIVER SIP07 |
| STK 6982B | 1 | | | | MOTOR DRIVER VERT.VERSION |
| STK 7216 | 2 | | | | VTR REGULATOR |
| STK 7226 | 3 | | | | VCR VOLTAGE REGULATOR +5.1V/1A-13V/4A |