Argo specifications:
Type: Moving Coil, low-impedance, low-output, medium compliance
Frequency range: 10Hz ~ 50kHz
Channel separation: 30dB or better at 1kHz
Cantilever system: Solid boron rod with line-contact stylus (3 x 70 micrometers profile)
Internal impedance: 4ohms
Output voltage: 0.45mV (5.0cm/sec., zero to peak, 45 degrees at 1kHz)
Cartridge weight (without stylus cover): 6.5g
Compliance: Approx. 12 x 10-6 cm/dyne at 100Hz
Recommended tracking force: 1.7 ~ 1.8g
Recommended load:
Into non-inverting RIAA equalizer amplifier or head-amplifier: 10ohms ~ 47kohms
Into step-up transformer: 3 ~ 6ohms (not exceeding 10ohms)