The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance even when combined with various woofers and tweeters. There is a feeling of use due to appearance, dullness, small scratches, abrasions, etc. (Takasaki Atsushi)
Maintenance information: 2024.5.24 sound output confirmed
Accessories: none
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms (measured 10/12 ohms), 118 dB, frequency characteristics, 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
Maintained! The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance with various woofers and tweeters. The exterior has rust and paint peeling due to aging. ※The diaphragm is DR16R2421. (YONEJIMA Satoshi)
Maintenance information: 2024.5.25 Maintained (diaphragm installation adjustment, pad dampener, mounting screw rust replacement. Material terminal contact part cleaning, terminal dirt cleaning, insulation bushing replacement. Diaphragm dirt cleaning. This is a genuine diaphragm, but it comes with DR16R2421. DCR (A/7.1 ohm diaphragm scratch) DCR (b/6.3 ohm diaphragm scratch))
Accessories: No accessories
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms, 118 dB, frequency characteristics: 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg/piece
Maintained! The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance with various woofers and tweeters. The exterior has dullness and small scratches. Serial 60878/74750 (Tamura Eiji)
Maintenance information: 2024.5.18 Maintained (diaphragm installation adjustment. Pad dampener, mounting screw rust replacement Wiring terminal contact part cleaning, terminal dirt cleaning, insulation bushing replacement. Diaphragm dirt cleaning, internal wiring cable replacement. DCR (74750/6Ω diaphragm no scratch) DCR (60878/5.7Ω diaphragm no scratch))
Accessories: none
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms, 118 dB, frequency characteristics: 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
The price has been reduced. 2023/10/6 sales price 29,800 yen ※Since it is only 1 bottle, it is cheap. JBL professional 2" screwdriver. It is an item that continues to be used in large horn systems, etc. The quality unique to titanium diaphragms, the breathing of the vocals, and the high hat on the drums are all appealing, and the outstanding realism is appealing. The exterior has dullness, dirt, and scratches. Serial 31316 (Tamura Eiji)
Maintenance Information: 2023.10.6 Oscillator Test Good
Accessories: no accessories
Main specifications: slot diameter 5 cm, allowable input 100 W, sound pressure level 111 dB/W/m, frequency characteristics, 500 Hz to 20 kHz, crossover frequency, 500 Hz or more, 16 ohms, diameter 235 x depth 132 mm, 13.6 kg/1
Comes with a 2447 special horn! A coherent wave structure is used for the phase plug. It is designed so that the phase plug can be connected directly to the horn throat. A titanium diaphragm is used. You can see the exterior, dullness, dirt, abrasions, etc. and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.24 Operation confirmed
Accessories: stand
Main specifications: Throat diameter 3.8 cm 16 ohms Frequency characteristics: 500 Hz to 20 kHz
The price has been reduced. 2022/7/4 sales price 12,000 yen 2.5mm plug specification for genuine balance cable for IER-Z1R. Shafts have been exchanged with perfect accuracy. If you have an DAP with a 2.5 mm balance terminal such as Astell&Kern, this is for you. (SASAKI Shota)
Maintenance information: 2022.7.4 sound output confirmed
Accessories: none