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Air Tight Opus-1 is a top-of-the-line MC Phono Cartridge that features:
- Second-to-none, 3-dimensional image made available in soundstage
- Unprecedented, sublime sonic balance achieved through years-long research seeking for optimum combination ratio in internal impedance and output voltage
- Exclusive, renowned SH-µX core sealed in ultra-hard duralumin housing fortified by nickel plating
Specifications
| 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 | 8×10-6Cm/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 |
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Our "Frequent Flyer" Program offers pricing and/or freight incentives for any order over $100 domestically ($300 internationally). Frequent Flyer is a cumulative program, so you will get credit for all previous orders each time to place a new order! With us, everyone’s a Frequent Flyer - no prior signup needed. After you place an order for Frequent Flyer eligible products, we will calculate applicable incentives. Your order amount will be adjusted and we will confirm the calculations by email within one business day. Click for more details.
| When you total orders products including the current Transactions are: | Incentive (Except for the Used specials where the discount already exceeds 5%) |
|---|---|
| $0 - 49 | 0% Discount. Customer pays freight guidelines |
| $50 - 199 | 0% Discount. See free freight guidelines |
| $200 - 599 | 5% Discount. See free freight guidelines |
| $600 - 599 | 6% Discount. See free freight guidelines |
| $700 - 799 | 7% Discount. See free freight guidelines |
| $800 - 999 | 8% discount. See free freight guidelines |
| $1000 - 1499 | 9% discount. See free freight guidelines |
| $1500 - 1999 | 10% discount. See free freight guidelines |
| $2000 - 2499 | 11% discount. See free freight guidelines |
| Over $2500 | 11.5% discount. See free freight guidelines |