TX 20
| Brand | Klein + Hummel |
| Function | Speaker |
| Produced | 1973 |
| Country | Germany |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 25 × 48 × 23 cm (W × H × D) |
| Frequency Response | 30Hz-25kHz |
| Treble | 19mm Dome |
| Midrange | 37mm Dome |
| Bass | 21cm Cone |
| Sensitivity | 103Phon |
| Impedance (Nominal) | 4Ω |
| Crossover Frequencies | 1kHz, 5kHz |
| Crossover Slope | 12dB/Oct (Second Order) |
| Dispersion (10kHz) | 110° |
| THD (96dB) | 1% |
| Power Handling | 50W |
| Enclosure Volume | 28l |
| Finish | Walnut, White |