Electro-Voice BB4
¥ 66,000 (1 unit, around 1972)
Commentary
Mid-range kit.
A set of driver unit T25A, horn 8 hd, crossover X8, attenuator AT37.
Wire is attached.
Model Rating
| <Specifications of T25A> | |
| Type | Driver unit |
| Frequency characteristic | 700 Hz to 10 kHz |
| Peak input | 60W |
| Impedance | 8 Ω |
| Output sound pressure level | 106dB/W |
| Magnet | 0.45 kg, Alnico V |
| External dimensions | Diameter 95x Depth 114 mm |
| Weight | 2.2kg |
| <8 hd Specifications> | |
| Cutoff frequency | 600Hz |
| Recommended crossover frequency | 800Hz |
| External dimensions | Width 114x Height 381x Depth 210 mm |
| Weight | 1.2kg |
| <X8 Specifications> | |
| Crossover point | 3.5kHz |
| Impedance | 8 Ω |
| External dimensions | Width 114x Height 89x Depth 92 mm |
| Weight | 0.68kg |
| <Specifications of AT37> | |
| Impedance | 8 Ω |
| Weight | 0.14kg |