YL Acoustic SH-180F
¥ 6,000 (1 unit, around 1965?)
Commentary
Horn type tweeter unit for high frequency band.
It is designed with HS-2000 horn attached.
Duralumin is used for the diaphragm, and edgewise winding of aluminum ribbon wire is used for the voice coil.
Model Rating
| Type | High-frequency horn |
| Available bandwidth | 3 kHz to 20 kHz |
| Impedance | 16 Ω |
| Maximum peak input | 10W(3kHz) |
| Magnetic flux density | 17,000gauss |
| Horn mounting screw | 30-16 threads / inch |
| Applicable Horn | HS-2000 |
| External dimensions | Diameter 68x height 100 mm |
| Weight | 0.7kg |