CL-3
| Brand | KLH |
| Manufacturer | KLH Research & Development Corp. |
| Series | Research Ten |
| Function | Speaker |
| Produced | 1978 |
| Country | United States |
| Model ID | CL3 |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 35.6 × 66 × 29.2 cm (W × H × D) |
| Weight | 53lbs |
| Frequency Response | 35Hz-20kHz ±3.5dB |
| Treble | 2" Paper Cone |
| Low Treble | 2.5" Paper Cone |
| Bass | 10" Paper Cone |
| Impedance (Nominal) | 8Ω |
| Recommended Amplifier Power | 20-100W |
| Power Handling | 100W |
| MSRP (1978) | £275 (Per Pair) |