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Sumiko Oyster  Cartridge Type: MM
Frequency Response: 30Hz - 20KHz
Output Voltage/Channel: 4mV
Stylus Tip: 0.6mm Bonded spherical stylus
Cantilever: Alloy Tube
Tracking Force: 1.25g - 2.5g
Channel Separation (dB) 25dB
Channel Balance (dB) 1,0dB
Compliance 12mm/N
Load Impedance 47kOhm 
Cartridge Weight 5.3g 
Sumiko Black PearlCartridge Type: MM
Frequency Response: 18Hz – 27KHz
Output Voltage: 3.5mV
Channel Separation: 28db
Channel Balance: 0.5db
Compliance: 15
Stylus Size: 0.5μ
Stylus Shape: Spherical
Load Impedance: 47kΩ
Tracking Force Range: 1.5-2.0 grams
Recommended Force: 2.0 grams
Weight: 6.0 grams
Grado Prestige Black  Frequency Response at 3dB:10Hz to 50kHz  
Weight:5.5 Grams 
Mounting Type:S/P 
Stylus Replacement:Yes  
Compliance in Cu's: 20 
Resistance:475 Ohms 
Inductance:45mH 
Stylus Type:Eliptical 
Recommended Tracking Force:1.5 Grams 
Output at 1KHz 5CM/sec:5mV 
Input Load:47k Ohms 
Channel Speration @1KHz:30dB  
Principal:MI 
Shure M44-7TONE ARM MOUNT: Standard 1/2 inch 
CARTRIDGE TYPE: Moving magnet 
OUTPUT VOLTAGE: Typical at 1 kHz; 9.5 mV RMS at 5 cm/sec peak velocity 
RECOMMENDED LOAD: 47 kilohms in parallel with 450 pf 
TRACKING FORCE: Effective at stylus tip; Range: 1.5 to 3.0 grams 
STYLUS CANTILEVER: Shure Type S; Heat-treated aluminum alloy/tubular; 1.6 mil wall thickness / 34.5 mil diameter 
DIAMOND STYLUS TIP: Polished natural gemstone Spherical; Radius: 0.7 mil 
FREQUENCY RESPONSE: Essentially flat from 20 to 20,000 Hz 
STEREO CHANNEL BALANCE: Within 2 dB 
CHANNEL SEPARATION: Typical at 1 kHz: 20 dB 
NET WEIGHT: 6.7 grams 
HEIGHT: 15.9 mm