P-51 Replacement Cartridges
This brand new cartridge is designed to
replace the now out of production Astatic #51 originally found in 1428-1465 models.
>Will also work in earlier 30's & 40's models with converted
tone arms<
It's the closest match to the original Astatic 51 available and is
currently available in three versions
Max recommended tracking pressure: 8 grams for 78 play and 6 grams
on 45 play
Changing to this cartridge from the original will require some
soldering and may also require some fitment/modifications

Cartridge sold complete as shown with needle installed and 2
solder lugs
Type 1: 45 and Repro 78 play
For
use with stereo or mono 45 RPM records or new 78's only
Sold with a
Sapphire .7 mil stereo
compliant needle $19.99
Type 2: Best for intermixing 45's
and original 78's or Reproduction and original 78's
For use with
original and reproduction 78 RPM records (Sold with a 2 mil sapphire needle
installed)
$19.99
Type 3: Best for machines playing
original 78's only
For use with
original 78 RPM records (preloaded with 3 mil needle) $22.99

P51 Replacement Needles

Sapphire
2 mil tip $10
The best compromise if intermixing new and
original 78's
Sapphire 3 mil tip $12.99
Best choice for
original 78's
P51 45 RPM Replacement Needles
Sapphire .7 mil tip $11.99
Use for stereo & mono 45's
Sapphire 1 mil tip $10
Better for mono 45's, but should play most stereo
records