RBS-1

About the RBS-1

The Grant Fidelity RBS-1 is a stand-mounted reference bookshelf speaker that uses high-quality Morel drivers with cabinets and crossovers designed by the late Ian Grant of Grant Fidelity. It is a refined bookshelf speaker known for its detailed and musical sound, suitable for audiophiles seeking a high-performance compact speaker. The RBS-1 is a modified version of the Jungson Audio RBS-1, enhanced by Grant Fidelity with custom tuning and design improvements. It features a 1-inch custom soft dome tweeter and a 5-inch custom poly woofer, delivering a frequency response from approximately 70Hz to 20kHz with a nominal impedance of 8 ohms and an efficiency around 84dB. The speakers are recommended to be driven by amplifiers in the range of 10 to 60 watts for tube amps and 20 to 120 watts for solid-state amps. Dimensions are approximately 190mm wide, 160mm deep, and 305mm high, with each speaker weighing about 5 kg (11 lbs). The RBS-1 is praised for its imaging, build quality, and sound quality, making it a valued choice among enthusiasts familiar with Grant Fidelity's speaker lineup.