Model Thirty-Eight
| Brand | KLH |
| Manufacturer | KLH Research & Development Corp. |
| Function | Speaker |
| Produced | 1972 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 31 × 54 × 21.6 cm (W × H × D) |
| Weight | 28lbs (Shipped) |
| Treble | 1.8" Paper Cone |
| Midrange/Bass | 10" Paper Cone |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 1.75kHz |
| Recommended Amplifier Power | >12W |
| Enclosure Type | Sealed |
| Enclosure Resonance | 50Hz |
| Finish | Walnut |
| MSRP (1972) | $125 |