YAMAHA JA-0506II

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)