YAMAHA JA-0506II
¥ 27,000 (1 piece, around 1980)
Commentary
Horn type tweeter, an improved version of JA-0506.
A V-shaped ring diaphragm made of hard duralumin with a thickness of 30 microns is used for the diaphragm, and tangential edges are integrally molded on both inside and outside.
Alnico magnet is used for the magnetic circuit.
A precision horn hollowed out from an aluminum round from an aluminum round bar.
Model Rating
Type | Horn type tweeter unit |
Nominal impedance | 8 Ω |
Playback frequency band | 3 kHz to 20 kHz |
Recommended bandwidth | 5 kHz or more |
Rated input | 1W |
Max Input | 2W |
Output sound pressure level | 109dB/W · m |
Diaphragm | V-shaped duralumin ring |
Voice coil diameter | 23 φ mm |
Equalizer, horn | Aluminum Milling |
Magnet | Alnico, 0.23 kg |
Magnetic flux density | 17,000gauss |
Total flux | 25,000maxwell |
External dimensions | Diameter 70 mm x height 107 mm |
Weight | 1.3kg |
Sold Separately | Mount Ring M-0506B (¥ 2,700) Stand M-0506S (¥ 4,000) |