※There is no problem with operation, but since it is cheap, it is currently sold. A 5 cm caliber horn tweeter from Technics. You can enjoy clear sound without any habit. There is dullness appropriate to the model year (Oikawa Tetsuji)
Main specifications: Aluminum-deposited polyester film diaphragm using impedance 8 ohms maximum input 25 W frequency band 3 to 20 kHz output sound pressure level 100 dB W 68 x D48 (mm) 0.25 kg