天文学 ニュース 21 1月 2026

January 22, 2026, 10:44 PM EST. Sony has unveiled two Bluetooth turntables, the PS-LX3BT and PS-LX5BT, both fully automatic and sharing the LX310BT's mechanism. They include a built-in phono stage with three-level gain and an updated grounding layout for better sound. Controls switch between 7in and 12in records and 33⅓/45rpm. In the box: 45rpm adapter; a solid aluminium tonearm and die-cast platter. The PS-LX3BT uses a moving-magnet cartridge at 3.5g; the PS-LX5BT upgrades to an MM cartridge at 2.0g. Cartridge names aren't disclosed; needles are replaceable, with the LX5BT cartridge swap allowed only via Sony service. LX3BT has a captive output cable; LX5BT uses a dedicated output. Both support aptX Adaptive Bluetooth and eight-device pairing. Prices: LX3BT £299/€350/AU$469; LX5BT £399/€460/AU$599. On sale now.