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Cardas Audio Myrtle Heart Ruby Cartridge

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Product Description

Myrtle Heart Ruby

Manufacturer's Description:


The Cardas Myrtle Heart is a highly evolved cartridge built on a unique Benz chassis.  A well seasoned Cardas cartridge performs well at a high input impedance of 47 k, if the system is quiet.  A lower impedance of 500-1.5 k works if the system tends to hum or the cartridge is not broken-in.  These cartridges have a standard output of 0.3mV, which is within the capability of most high quality pre-amps.


Myrtle Heart Specification:

Body: Machined Vented Myrtlewood

Cantilever: Solid Boron rod, 0.28mm diameter

Stylus: Nude line-contact diamond, mirror polished

Stylus Tip Radius: 5 x 120um

Vertical Tracking Angle: 20-22 degrees

Coil: Square Ruby jewel plate, Copper wire

Weight: 9.1 grams

Output Voltage: 0.3mV @ 3.54 cm/s

Internal Impedance: 45 ohms

Frequency Response: 10-50,000 Hz +/- 1dB

Channel Balance: Better  than 0.5dB

Channel Separation: Better than 35dB @ 1kHz

Tracking Ability @ 315 Hz with a tracking force of 2 grams: >80 um

Dynamic Compliance" 15 um/mN

Recommended Loading: 500-47,000 ohms

Optimum Tracking Force: 1.8-2.0 grams

Recommended Tone arm Mass: Medium to high

Recommended Break-in period: 40 hours

Warranty: 2 years

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