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MA-300Àº ¸ÖƼ ÆÐÅÏÀÇ large diaphragmÀ» °®´Â vacuum tube ÄÁµ§¼ ¸¶ÀÌÅ©ÀÔ´Ï´Ù. David Royer°¡ µðÀÚÀÎÇÑ MA-200À» Æø³Ð°Ô ¼ö¿ëÇÑ °ÍÀ» ¹ÙÅÁÀ¸·Î ¿øÇϴ´ë·Î ½±°Ô º¯°æÇÒ ¼ö ÀÖ´Â ÆÐÅÏ ¼¿·ºÅ͸¦ Ãß°¡Çϰí, 15dB pad¿Í º£À̽º roll-off¸¦ °®Ãß°í ÀÖ½À´Ï´Ù. MA-300Àº º¸Äðú ¾Ç±â¼Ò¸®¸¦ ³¯Ä«·Î¿òÀ̳ª °íÁ֯ļöÀÇ ¿Ö°î ¾øÀÌ µûµíÇϰí dzºÎÇÏ°Ô Àç»ýÇØÁÝ´Ï´Ù. ¼öµ¿½Ä double diaphragm 3-micron capsule°ú ÃÖ°í±ÞÀÇ Ç°ÁúÀ» º¸ÁõÇÏ´Â Jensen Audio Æ®·£½ºÆ÷¸Ó, ±×¸®°í ³»±¸¼ºÀÌ ¿ì¼öÇÑ ±¹¹æ±Ô°ÝÀÇ JAN 5840 Vacuum Tube¸¦ ä¿ëÇÑ MA-300Àº °ú°Å ÃÖ°íÀÇ »ç¶ûÀ» ¹Þ¾Ò´ø Ŭ·¡½Ä Äܵ§¼ ¸¶ÀÌÅ©·ÎÆùÀ» ¶°¿Ã·ÁÁÖ´Â Á¦Ç°ÀÔ´Ï´Ù.
MA-300ÀÇ Àü¿øºÎ´Â 115V, 230V(50 or 60Hz)·Î ³»ºÎÀÇ ½ºÀ§Ä¡¸¦ ÀÌ¿ëÇÏ¿© ÀÚÀ¯·ÎÀÌ ¼±ÅÃÇÒ ¼ö ÀÖ½À´Ï´Ù. ¸ðµç MA-300 ¸¶ÀÌÅ©·ÎÆùÀº Àü¿øºÎ¿Í ÄÉÀ̺í¼ÂÀ» 24½Ã°£ ¿¬¼Ó »ç¿ë Å×½ºÆ®¸¦ °ÅÃÄ ÀÚüÀÇ ²Ä²ÄÇÑ Ç°Áú±âÁØÀ» Åë°úÇÑ Á¦Ç°µéÀ̸ç, °í±Þ½º·± ÀÏüÇüÄÉÀ̽º·Î Æ÷ÀåµÇ¾î ÀÖ½À´Ï´Ù.
Features:
- Remotely controlled, continuously variable polar pattern selector
- Switchable 15dB pad
- Switchable Bass Roll-off
- Hand-selected 3-micron double diaphragm capsule
- Jensen audio transformer
- Military grade JAN 5840 vacuum tube
- Internal switchable power supply voltage
- Ultra clean signal path
Recommended applications:
Use anywhere you would use an expensive, large diaphragm tube microphone.
- Vocals
- Voice Over and Broadcast
- Acoustic Instruments
- Piano
- Drum Overheads, Drum Rooms
- Orchestral Recording
- Choral Recording
TECHNICAL DATA
TRANSDUCER TYPE: Externally polarized, pressure gradient capacitor - double diaphragm.
DIAPHRAGM: 1-inch diameter, gold sputtered
DIAPHRAGM THICKNESS : 3-microns
POLAR RESPONSE: Continuously variable from omnidirectional to figure-eight.
FREQUENCY RESPONSE: 20 Hz to 20 KHZ, +/-3 dB at "flat" setting of bass cut switch. Bass cut switch provides 6 dB per octave attenuation below 100 Hertz in "cut" setting
SENSITIVITY: -37dB re 1V/pa
MAXIMUM SPL: 120 dB with pad off, 135 dB with pad on.
DISTORTION:< 1% @ 117 dB SPL , < 3% @ 125 dB SPL with pad off, < 1% @ 132 dB SPL, < 3% @ 140 dB SPL with pad on
SELF NOISE: 14db nominal, not to exceed 16db (A Weighted)
PAD: 15 dB
BASS CUT: 6 dB per octave below 100 hertz.
DIMENSIONS AND WEIGHT: Carrying case with microphone, power supply, shock mount and cables: 13 lbs. Microphone: 7 5/8" X 2", 1 lb.
POLAR PATTERN
FREQUENCY RESPONSE
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