加拿大Kronos Audio擁有許多別家廠牌看不到的獨門技術,為唱盤提供穩定的轉速,而想要了解Kronos Audio唱盤的特色,他們家的旗艦級唱盤Pro無疑是最佳範例。
Pro採用Kronos Audio最有名的雙轉盤設計,一上一下,各以反向運轉,藉此抵銷扭力所產生的振動,確保唱盤在運作時不會帶來不必要的共振。而帶動唱盤的馬達,除了有防震能力極為優異的金屬箱體包覆,更透過雙CPU控制,原廠認為這樣設計下的馬達,比起一般的馬達而言,更為穩定、安靜。
至於Pro上所使用的承軸為Kronos Audio特製,軸心採用承重力極高的不鏽鋼材質,並以PVC材質包覆,其中上轉盤的承軸採用陶瓷滾珠,而下轉盤的承軸採用不鏽鋼滾珠,如此設計,能讓轉盤轉動穩定而順暢,又不會產生不必要的震動。
Pro在每一層皆採用不鏽鋼加上阻尼物質組成的三明治結構,其中最底層的底座採用避震懸吊系統,可以阻絕來自底部傳來的震動,而且原廠強調安裝容易,帶來便利的使用者體驗,讓玩家輕鬆便可享受Kronos Audio唱盤帶來的類比聲韻。
KRONOS PRO
型式:黑膠唱盤
轉速:33.3 rpm and 45 rpm
電源供應:雙聲道純A類線性DC
輸入交流電電壓:110V或220V
輸出直流電電壓:0-5 V,雙CPU操控
馬達:2432貴金屬DC馬達,可調整高度聚甲醛底座。
轉盤重量:30磅
皮帶:雙矽膠/Viton皮帶(每個轉盤)
軸承軸心:PVC包覆不鏽鋼
軸承滾珠:陶瓷(上)、不鏽鋼(下)
產品尺寸:56 cm (W) x 36 cm (D) x 28 cm (H)
淨重:41公斤
規格
| net dimensions | 22 in (W) x 14 in (D) x 11 in (H) 56 cm (W) x 36 cm (D) x 28 cm (H) |
| net weight | 90 lbs / 41 kg |
| rotational speed | 33.3 rpm and 45 rpm |
| tonearm lenght | 9 to 12 inches |
| power supply | dual channel pure class A linear DC |
| ac voltage input | 110V or 220V factory set |
| dc voltage output | 0 to 5 volt, dual cpu controlled |
| dc transmission | factory calibrated pico 3 pin cable |
| data input/output bus | RS232 |
| transmission | pico 4 pin cable |
| motors | 2432 precious metal brushes dc motors (qty 2) |
| motor mounts | delrin enclosure, height adjustable |
| speed guidance system | continuous open loop feedback |
| sensors type | optical diode I/O (each platter) |
| correction cycle | every two rotations. 1.5% max. 0.05% min |
| monitoring | twin real time speed LED display |
| command input type | 1 capacitance sensor on/off (left) 1 capacitance sensor 33/45 (right) |
| platters type | composite layers and encapsulated, balanced |
| platter weight | 30 lbs / platter |
| drive | 2 silicone/viton 1.8 sting belts / platter |
| compensation pulley | teflon and chrome steel bearing |
| lubricant | synthetic grease |
| sevice interval | 1 year (clean and re-grease) |
| main bearings | dual hydraulic isolated inverted sleeve and ball |
| shaft type | grounded heat hardened tool steel pvd coated |
| ball type | ceramic top platter, steel lower platter |
| lubricant | 8 ml. variable viscosity synthetic oil |
| service interval | 5 years (clean and re-oil) |
| suspension | full floating top suspended |
| elastomers | 317 o-rings , viton/silicone mix |
| service life | lifetime |
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