AT-MONO3/SP

The AT-MONO3/SP is a high-output (1.2 mV) moving coil cartridge designed specifically for use with 78 RPM mono shellac records.* Due to the horizontal configuration of its PCOCC (Pure Copper by Ohno Continuous Casting) voice coils, the AT-MONO3/SP cartridge only generates electrical signal with horizontal movement, yet it also has appropriate compliance in the vertical direction to keep groove wear to a minimum. The voice coils are wired in series, resulting in one mono signal that is transmitted to the cartridge’s white-blue terminals and red-green terminals in order to feed both inputs of a stereo phono preamp. The cartridge’s low-mass 2.5 mil conical stylus is mounted on an aluminum cantilever for excellent tracking of the wider 78 RPM shellac grooves. The cartridge features a strong, rigid body of die-cast aluminum alloy and synthetic resin to eliminate unnecessary vibrations. * This cartridge with 2.5 mil conical stylus is not compatible with microgroove 33-1/3 and 45 RPM vinyl records. It is designed to play 78 RPM SP (standard play) shellac records.

Cartridge & Stylus
Frequency Response	22 - 22,000 Hz
Vertical Tracking Angle	23°
Vertical Tracking Force	3 to 7 g (standard 5.0 g)
Stylus Construction	Nude Square Shank
Recommended Load Impedance	400 - 47,000 ohms
Coil Impedance	40 ohms (1 kHz)
DC Resistance	40 ohms
Coil Inductance	190 µm (1kHz)
Output Voltage	1.2 mV (at 1 kHz, 12 cm/sec)
Stylus Shape	Conical
Cantilever	Aluminum Pipe
Static Compliance	10×10-6cm/dyne
Dynamic Compliance	3.5×10-6cm/dyne (100Hz)
Mounting	1/2" Centers
Dimensions	16.0 (H) x 16.6 (W) x 26.5 (L) mm
Accessories Included	Screwdriver, 4 screws, 2 washers and 2 nuts, spacer/weight, stylus brush
Body Material	Aluminium/Synthetic Resin
Stylus Size	2.5 mil
Type	Horizontal Mono Moving Coil
Weight	6.8g