Altec Model Seven
1975 - 1980s
The Altec Model Seven was a premium bookshelf speaker that bridged the gap between the compact Model One and the floorstanding Model 19. With a 10" woofer and horn-loaded tweeter, it offered significant performance in a relatively compact enclosure.
Specifications
| Type | 2-way, bass-reflex bookshelf loudspeaker |
|---|---|
| Low Frequency Driver | 10" (250mm) cone woofer |
| High Frequency Driver | Compression driver on small horn |
| Crossover Frequency | 1,800 Hz |
| Nominal Impedance | 8 Ω |
| Power Handling | 40W continuous |
| Sensitivity | 95 dB/W/m |
| Frequency Response | 40 Hz - 18 kHz |
| Dimensions | 20" H x 13" W x 11" D (approximate) |
| Weight | Approximately 35 lbs per speaker |
Design Features
- Horn-Loaded HF: Maintained Altec's horn-loading tradition even in a bookshelf design
- 10" Woofer: Larger than typical bookshelf speakers of the era, providing fuller bass
- High Efficiency: 95 dB sensitivity allowed use with modest amplifiers
- Quality Cabinet: Well-braced enclosure with quality crossover components
Performance
The Model Seven was known for:
- Dynamic, uncompressed sound typical of Altec designs
- Bass response that belied its bookshelf classification
- Clear, detailed highs from the horn-loaded tweeter
- Wide soundstage and excellent imaging
Applications
- Primary stereo system in small to medium rooms
- High-quality secondary system
- Studio nearfield monitoring (in some installations)
- Component of larger multi-room systems
Collectibility
The Model Seven is less commonly seen than the Model 19 but is valued by collectors who appreciate its balance of performance and manageable size. Well-maintained examples are sought after by Altec enthusiasts.