EL3501
| Manufacturer | Philips |
| Function | Tape Machine |
| Produced | 1950s |
| Country | Netherlands |
| Form Factor | Floorstanding |
| Signal Path | Analog Hardware |
| Power | 220 V, 50-60 Hz |
| Frequency Response | 35 Hz - 18 kHz at 15 IPS |
| Channels | 4-track version Track, 2-track (stereo) version Track, 1-track (mono) version Track |
| Notes | 2 speeds: 15 ips and 7½ ips Clockwork counter. There are valve and transistor versions. |