Van den Hul The FROG crapaud

The FROG is a moving coil cartridge, handmade to order, featuring the copper coil wire from a GRASSHOPPER III, the front pivot and suspension from a GRASSHOPPER IV, and a modification to the magnet.

Moving coil cartridge

• Stylus: VDH-IS size; 2 x 85 µm
• Frequency response: 5 Hz to 55 kHz
• Tracking force: 13.5 to 16 mN
• Tracking ability (at 315 Hz at 15 mN): 70 to 80 µm
• Output voltage (1 kHz at 5.7 cm/s): 2.25 mV
• Channel separation (1 kHz, 10 kHz): > 35 dB; > 30 dB
• Channel balance: < 0.3 dB
• Stylus tip angle: 22°
• Equivalent stylus tip mass: 0.32 mg
• Weight: 8.2 g
• Coil resistance, per channel: 96 Ω
• Recommended load impedance: 47 kohms (> 1 kohm)
• Recommended tonearm mass: 6 to 10 g