Pioneer PT-7
¥ 7,100 (around 1974)
¥ 7,800 (around 1978)
Commentary
Horn tweeter that adopts a square exponential horn made of aluminum die cast.
Aluminum light alloy is used for the diaphragm to reduce the weight of the vibration system.
.JPG)
Model Rating
| Type | Horn type tweeter |
| Impedance | 8 Ω, 16 Ω |
| Cutoff frequency | 1.4kHz |
| Frequency band | 2.9 kHz to 20 kHz |
| Max Input | 15W |
| Rated input | 10W |
| Output sound pressure level | 105dB/W/m |
| Crossover frequency | 2.9 kHz or more |
| Total flux | 31,000maxwell |
| Magnetic flux density | 12,600gauss |
| Baffle opening | 91 mm wide x 69 mm high |
| External dimensions | 96 mm wide x 74 mm high x 126 mm deep |
| Weight | 1.35kg |