MOVING COIL PHONO CARTRIDGE FOR 78 RPM MONO SHELLAC SP RECORD
AT-MONO3/SP High output moving coil cartridge for 78 rpm mono Shellac SP (Standard Play) records
2.5mil Bonded Conical Stylus Round Shank
The AT-MONO3/SP cartridge is designed to faithfully transcribe the performances recorded on 78 rpm Shellac records. Made specifically for mono recordings, the cartridge only generates signal with horizontal movement. However to produce a minimal wear on the groove, the AT-MONO3/SP also has an adapted vertical compliance. • Straight pipe aluminium cantilever and low mass stylus guarantees a high tracking ability. • The average usage time is 500 hours extending the life span of precious mono recordings. • High purity PCOCC allows a more transparent signal transmission offering a high efficiency and a high fidelity. • To support the internal mechanism, the body is made of solid die-cast aluminium alloy, furthermore stiffness is achieved with the addition of rigid synthetic resin to hold the body.
AT-MONO3/SP internal wiring This schematic shows the internal wiring of AT-MONO3/SP featuring two horizontal voice coils wired in series, resulting electrically as a single mono voice coil. The mono signal is available from white-blue terminals, the same signal is also available from red-green terminals in order to feed both inputs of a stereo phono preamp.
AT33MONO , AT-MONO3/LP and AT-MONO3/SP are true mono cartridges due to the horizontal configuration of the voice coils. The cartridge only generates electrical signal with horizontal movement due to the horizontal configuration of the coil.
Audio-Technica Phono Cartridges Guide 2025 - 25
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