Panasonic EPC-450C
Not much documentation survives on the Panasonic EPC-450C. A mid-1970s issue of Audio magazine gives the essentials. The Audio (August 1974, p.71) report identified it as a strain-gauge (semiconductor) phono cartridge. The "450C" variant carries a nude Shibata diamond mounted on a titanium tube. The companion EPC-450C-II, covered in the same article, used a nude Quadratip diamond on an aluminum-alloy stylus lever instead.
The review's published specifications for the EPC-450C:
- Frequency response: 0–50 kHz
- Rated output voltage: 7 mV (5 cm/sec, 1 kHz, lateral)
- Separation: >20 dB at 1 kHz; >15 dB at 30 kHz
That is about all that is readily documented. As a strain-gauge design, the EPC-450C departed from conventional magnetic pickups. Period coverage beyond this one review appears to be minimal.
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