Ceramic Super Eater by Murata Manufacturing Co., Ltd. Spherical piezoelectric ceramics set the intrinsic resonance frequency higher than the playback band to achieve high follow-up of the diaphragm to the input signal. Excellent transient characteristics, and the ability to reproduce delicate and immersive sounds. Compatible with a wide range of speakers There is a float on one side plate and a little bit on the terminal. The appearance can be seen with dullness and dullness. Serial A00513/A00514 (Satoshi Yonejima)
Maintenance information: 2021.9.18 sweep test good
Accessories: pedestal
Main specifications: 15kHz to 100kHz 90dB 8Ω Diameter 65mm × Length 110mm 1.1 kg
A super tweeter using spherical piezoelectric ceramics. Spherical piezoelectric ceramics, which has the characteristic that the diaphragm is highly conformable to the input signal, are used. It is a supertweeter suitable for high-end speakers that has a particularly excellent effect in the direction of depth of the sound field. The exterior is dull. Serial A51022, A51023 (Kimiya Miura)
Maintenance information: 2023.11.21 Operation confirmed
Accessories: instruction manual, original box, rubber cap
Main Specifications: Super Tweeter Average Sound Pressure Level 90dB (Frequency 15kHz to 100kHz) Rated Impedance 8Ω Maximum Allowed Input 50W W90 x H65 x D118 mm 1.1 kg/book
A horn type tweeter that was also mounted on the CP93824 studio monitor speaker made by OPTONICA. Similar to its appearance, the powerful straight treble and the sense of sound pressure unique to high efficiency are attractive. The exterior has many rust and dents of the age. (Satoshi Yonejima)
Maintenance info: 2022.8.15 oscillator test good
Accessories: No accessories
Main specifications: Horn type tweeter Frequency band 2,500 to 20,000 Hz Impedance 8Ω Maximum input 60W Output sound pressure level 113dB/W/m Magnetic flux density 20,000 gauss VC diameter 3.81 cm 4.1 kg
Super tweeter using spherical piezoelectric ceramics. Spherical piezoelectric ceramics, which are characterized by high traceability of the diaphragm to input signals, are used. It is a super tweeter suitable for high-end speakers that has a particularly excellent effect in the depth direction of the sound field. There is a feeling of use such as scratches and dullness on the exterior. Serial A50426 A50427 (Tomonori Asae)
Maintenance information: 2023.3.21 sound output confirmed
Accessories: rubber cap
Main specifications: super tweeter average sound pressure level 90 dB (frequency 15 kHz to 100 kHz) rated impedance 8 ohms maximum allowable input 50 W 90 x H65 x D118 mm 1.1 kg/book
A horn-shaped tweeter that was also mounted on the OPTONICA studio monitor speaker CP93824. Similar to its exterior, the strong, straight treble and sense of sound pressure unique to high efficiency are attractive. Stains and deterioration can be seen on the exterior. Serial 4670/4674 (Kimiya Miura)
Maintenance information: 2023.3.22 operation confirmed
Accessories: no accessories
Main specifications: horn type tweeter frequency band 2,500 to 20,000 Hz impedance 8 ohms maximum input 60 W output sound pressure level 113 dB/W/m magnetic flux density 20,000 gauss VC diameter 3.81 cm 4.1 kg
ALM C-1 with wood cabinet (39000 yen)! Of course all the original cases are also available! A popular pioneer ribbon teater. The golden combination of beryllium diaphragm and albicomagnet reproduces up to 120,000Hz ultra-high range! In addition to sound quality correction, space expression expansion, wide sound field feeling can be noticeably felt in classic source. It is good without dents in the front desk (Yasuhito KOSHIHAMA)
Maintenance information: 2021.6.27 Storefront operation confirmed!
Accessories: original box, original case removed, replacement fuse, gasket, mounting screws included
Main specifications: Playback frequency band 5,000 Hz to 120,000Hz Input Impedance 8Ω Maximum Input 100W Output Sound Pressure Level 97.5dB Crossover Frequency 5000Hz and above Dimensions W134 x H89 x D179mm Weight 2.6kg