Air Tight Opus 1 MC Cartridge
                  
by Air Tight
                  
                
              
            
        - Top-of-the-line MC Phono Cartridge
 
- Second-to-none, 3-dimesional image made available in soundstage
 - Unprecedented, sublime sonic balance achieved thru years-long research seeking for optimum combination ratio in internal impedance and output voltage
 - Exclusive, renowned SH-uX core sealed in ultra-hard duralumin housing fortified by nickel plating
 
| 
 Type: 
 | 
 Ultra Low Impedance 
MC phono cartridge 
 | 
|---|---|
| 
 Frequency range: 
 | 
 10-50,000Hz 
 | 
| 
 Internal impedance:   
 | 
 1.4 ohms (DCR) 
 | 
| 
 Output voltage:   
 | 
 0.45mV/1kHz 
 | 
| 
 Magnet: 
 | 
 Neodymium#50 
 | 
| 
 Tracking force: 
 | 
 1.9-2.2g 
 | 
| 
 Dynamic Compliance: 
 | 
 8x10⁻⁶Cm/Dyne 
 | 
| 
 Cantilever:   
 | 
 Boron Cantilever 
 | 
| 
 Stylus Tip Type: 
 | 
 Semi-line contact 
(3μmm×30μmm) 
 | 
| 
 Channel balance:  
 | 
 Less than 0.5dB/1kHz 
 | 
| 
 Cross talk: 
 | 
 More than 30dB/1kHz 
 | 
| 
 Cartridge base: 
 | 
 A7075(DLC plating) 
 | 
| 
 Housing: 
 | 
 A5056(Rhodium plating) 
 | 
| 
 Terminal: 
 | 
 Rhodium plating 
 | 
| 
 Weight:  
 | 
 12.5g 
 |