Related Articles & Papers:
»FROG_-_Enjoy_the_Music_Sept_2007.pdf
»FROG_-_Audio_Video_SA_May_2006.pdf
»The_CONDOR_XCM_+_FROG_Gold_-_Hi-Fi+_Feb_2005.pdf
»FROG_-_Stereo_Dec_1998.pdf
»FROG_-_Listener_Magazine_winter_1997.pdf
»FROG_-_Stereophile_Jul_1997.pdf
»FROG_-_Play_Magazine_spring_1997.pdf
»FROG_-_Image_HiFi_May_1996.pdf
»FROG_-_Hoererlebnis_30.pdf
Custom handbuilt moving coil cartridges with the coil of a GRASSHOPPER III and the frontpole and suspension of the GRASSHOPPER IV: the best cartridge available for its price.
The FROG ® is available in three versions:
- Standard Version:
Output 0.65 mV/channel, matched crystal copper-wire coils and extra magnet modification
- Gold Version:
Output 0.65 mV/channel, matched crystal gold-wire coils and extra magnet modification
- High Ouput Version:
Output 2.25 mV/channel, matched crystal copper-wire coils and extra magnet modification
Production time:
The production time for a The FROG ® cartridge after ordering is about two weeks. Please call your authorized distributor for delivery time.
| Version: |
a) Standard
b) Gold
c) High Ouput |
| Stylus Replacement Available: |
see (*1) |
| Stylus Shape: |
VDH - IS |
| Stylus Radii: |
2 x 85 Micron |
| Frequency Range: |
5 - 55.000 Hz |
| Tracking Force: |
13.5 - 16 mN |
| Static Compliance: |
35 Micron/mN |
| Tracking Ability at 15mN at 315Hz: |
70 - 80 Micron |
| Output Voltage at 1 kHz at 5.7 cm/s eff.: |
a) 0.65 mV RMS
b) 0.65 mV RMS
c) 2.25 mV RMS |
| Channel Unbalance: |
< 0.3 dB |
| Channel Separation at 1kHz / 10kHz: |
> 35 / > 30 dB |
| Equivalent Stylus Tip Mass: |
0.32 Milligram |
| System Weight: |
8.2 Gram |
| Vertical Tracking Angle : |
22 Degrees |
| Optimum Load Capacitance: |
see (*2) |
| Recommended Load Impedance: |
a) 500 (> 200) Ohm
b) 500 (> 200) Ohm
c) 47k (> 1k) Ohm |
| Recommended Eff Tone arm Mass: |
6 - 10 Gram |
| Moving Coil Resistance per channel: |
a) 21 Ohm
b) 16 Ohm
c) 96 Ohm |
| Extra Info: |
(*1): Stylus replacement and other services available on request
(*2): Non critical |
