390
| Brand | Martin |
| Manufacturer | Martin Speaker Systems |
| Function | Speaker |
| Produced | 1966 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 25.4 × 45.7 × 22.9 cm (W × H × D) |
| Weight | 12lbs |
| Frequency Response | 40Hz-18kHz |
| Treble | 3" Paper Cone |
| Midrange/Bass | 8" Paper Cone |
| Impedance (Nominal) | 8Ω (Switchable: 4Ω) |
| Crossover Frequency | 5kHz |
| Crossover Slope | 6dB/Oct (First Order) |
| Recommended Amplifier Power | 5-25W |
| Enclosure Type | Sealed |
| Enclosure Construction | 0.75" Particleboard |
| Finish | Walnut (Grill: Cloud White, Indigo, Tangerine, Sienna) |
| MSRP (1966) | $39.95 |