1/2" Float Valve No Power Automatic Closing Water Tank Auto Water Level Shut Off Controller 6031625507135
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Phonograph Turntable Dual Moving Cartridge Vinyl Needle Replace for LP 782406\n\nBetter control of the tone of each frequency, can make the middle frequency warm and generous, the low frequency is full and flexible, and the high frequency is bright and not dry.\nMade of high-quality materials, strong, wear- and .\nRuby and sapphire dual needles, Ruby for LP records and Sapphire for 78-speed vinyl records.\n\nStructure:\nPolarity: When the needle tip is driven horizontally (left + right), the phase of the output voltage of the left channel (L) and the right channel (R) should be the same.\nStylus: Ruby+Sapphire\nThe output voltage:\nWhen the frequency F is 1kHz, when the vibration velocity V of the sound groove in the L or R direction is 3.54CM/S or the vibration velocity of the transverse sound groove is 5CM/S, the output voltage should be within +/- 4DB relative to the specified value (250MV) (Ie: within the range of 200~300MV).\nAcupuncture pressure: When testing the tracking abile
1/2" Float Valve No Power Automatic Closing Water Tank Auto Water Level Shut Off Controller 6031625507135
Phonograph Turntable Dual Moving Cartridge Vinyl Needle Replace for LP 782406\n\nBetter control of the tone of each frequency, can make the middle frequency warm and generous, the low frequency is full and flexible, and the high frequency is bright and not dry.\nMade of high-quality materials, strong, wear- and .\nRuby and sapphire dual needles, Ruby for LP records and Sapphire for 78-speed vinyl records.\n\nStructure:\nPolarity: When the needle tip is driven horizontally (left + right), the phase of the output voltage of the left channel (L) and the right channel (R) should be the same.\nStylus: Ruby+Sapphire\nThe output voltage:\nWhen the frequency F is 1kHz, when the vibration velocity V of the sound groove in the L or R direction is 3.54CM/S or the vibration velocity of the transverse sound groove is 5CM/S, the output voltage should be within +/- 4DB relative to the specified value (250MV) (Ie: within the range of 200~300MV).\nAcupuncture pressure: When testing the tracking abile
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