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DIY For Audio
My list of favourite tweeters
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<blockquote data-quote="JimGore" data-source="post: 140437" data-attributes="member: 3"><p>Thanks!</p><p></p><p>You know you have either said too much, or said the wrong thing when nobody really responds ;D</p><p></p><p>Out of interest, here are some ovservations regarding the NSD1095N:</p><p>1. Voice Coil Diameter = 44.4mm</p><p></p><p>2. Diaphragm material = Titanium Nitride coated Titanium.</p><p> Titanium Nitride is interesting because:</p><p> - Extremely hard ceramic material</p><p> - Elasticity Modulus = 6x higher than Titanium and 2x higher than Beryllium</p><p></p><p>3. Magnet strength in the gap = 20K gauss</p><p></p><p>4. BL Product (motor strength) = 9.1 N/A</p><p> - This is an extremely strong motor for a tweeter. For comparison, I have listed the BL product of other drivers:</p><p> Tweeters:</p><p> * Seas 27TDFC = 3.5</p><p> * Scan Speak D3004/6600 AirCirc = 2.3</p><p></p><p> Woofers</p><p> * SB Acoustics SB23NRXS45-8, 8" Woofer = 7.5</p><p> * Seas Excel W22EX001 - 8" Woofer = 8.1</p><p></p><p> Subwoofers</p><p> * ScanSpeak Discovery 30W/4558T 12" Subwoofer - 4 ohm = 10.7</p><p> * 18Sound 18LW1400 18" Subwoofer = 24.7</p><p></p><p></p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 140437, member: 3"] Thanks! You know you have either said too much, or said the wrong thing when nobody really responds ;D Out of interest, here are some ovservations regarding the NSD1095N: 1. Voice Coil Diameter = 44.4mm 2. Diaphragm material = Titanium Nitride coated Titanium. Titanium Nitride is interesting because: - Extremely hard ceramic material - Elasticity Modulus = 6x higher than Titanium and 2x higher than Beryllium 3. Magnet strength in the gap = 20K gauss 4. BL Product (motor strength) = 9.1 N/A - This is an extremely strong motor for a tweeter. For comparison, I have listed the BL product of other drivers: Tweeters: * Seas 27TDFC = 3.5 * Scan Speak D3004/6600 AirCirc = 2.3 Woofers * SB Acoustics SB23NRXS45-8, 8" Woofer = 7.5 * Seas Excel W22EX001 - 8" Woofer = 8.1 Subwoofers * ScanSpeak Discovery 30W/4558T 12" Subwoofer - 4 ohm = 10.7 * 18Sound 18LW1400 18" Subwoofer = 24.7 Ian. [/QUOTE]
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DIY & Tutorials
DIY For Audio
My list of favourite tweeters
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