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B00GA7SYH8 Price: $19.7 Score: 1000.000 Category: Electronics Rating: 4.1 Votes: 52 Find similar products Dayton Audio ND25FN-4 1 Silk Dome Neodymium Tweeter Element 4 Ohm. Quick Overview Compact soft dome tweeter element with high output and smooth, low-distortion sound. The high-strength neodymium motor features an aluminum heat sink for cool operation and reduced power compression. Product Highlights 1 treated silk dome diaphragm Faceplate-free design enables versatile custom mounting High-strength neodymium motor with heatsink and ferrofluid cooling Extremely smooth and extended treble response beyond 22kHz Perfect for use with a waveguide or custom mounting plate Product Manuals / Spec Sheets / Downloads Dayton Audio ND25FN-4 Specification Sheet Dayton Audio ND25FN-4 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis 2 Product Description Dayton Audio’s ND25FN-4 is a versatile 1” tweeter element for use in highly customized applications requiring smooth, clean treble output. The treated silk dome diaphragm delivers excellent detail and smoothness, while the high-strength neodymium magnet enables high output from an extremely compact size. The rear-mounted heatsink and ferrofluid-filled magnetic gap provide improved heat dissipation from the compact motor structure, for reduced power compression at high levels. A copper pole cap further reduces distortion and inductance effects. This element is identical to the round-faceplate ND25FA-4 model, but with no faceplate installed. It’s perfect for installation into a waveguide or a custom mounting plate, or in limited clearance applications such as automotive A-pillars. Simply bond the unit in place from behind, and prepare to be surprised at the clean, detailed output! Product Details Speaker Series ND Series Model Number ND25FN-4 List Price $19.99 Color Black Unit of Measure Each UPC 848791000867 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 0.13 Speaker Type Tweeter Power Handling (RMS) 20 watts Power Handling (max) 40 watts Continuous Program Power -- Impedance 4 ohms Sensitivity 90 dB @ 2.83V/1m Frequency Response 2 500 - 20 Voice Coil Diameter 25 mm Magnet Weight -- DC Resistance (Re) 3.3 ohms Voice Coil Inductance (Le) 0.05 mH Resonant Frequency (Fs) 1 290 Hz Mechanical Q (Qms) 4.61 Electromagnetic Q (Qes) 2.54 Total Q (Qts) 1.64 Diaphragm Mass Inc. Airload (Mms) -- Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) -- Surface Area Of Cone (Sd) 7.5 cm² Volume of Displacement (Vd) -- BL Product (BL) -- Compliance Equivalent Volume (Vas) -- Maximum Linear Excursion (Xmax) -- Drivers Mechanical Losses (Rms) -- Cone / Diaphragm Material Treated Silk Dome Entry / Exit Diameter -- Surround Material Treated Silk Voice Coil Wire Material Copper Voice Coil Former Kapton® Basket/Frame Material -- Magnet Material Neodymium Overall Outside Diameter 41 mm Overall Depth 21 mm Baffle Cutout Diameter 34 mm # Mounting Holes 4 Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight -- Cone / Dome Diameter 1.	B00GB96TG8 Price: $14.98 Score: 12.658 Category: Electronics Rating: 4.7 Votes: 31 Find similar products Dayton Audio ND25FA-4 1 Soft Dome Neodymium Tweeter. Quick Overview Compact, ultra-smooth soft dome tweeter with excellent detail and high power handling. The small faceplate and tiny neodymium motor make it easy to keep center-to-center distance to a minimum for improved off-axis response, and the exceptionally flat response above 3kHz makes crossover design an absolute breeze! Product Highlights Exceptionally flat treble response with low distortion Compact round faceplate design is simple to install High-strength neodymium motor with heatsink and ferrofluid cooling 1 diameter voice coil for good off-axis dispersion Clean, modern styling and appearance Product Manuals / Spec Sheets / Downloads Dayton Audio ND25FA-4 Specification Sheet Dayton Audio ND25FA-4 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis Product Description This tweeter is smooth! The Dayton Audio ND25FA-4 is a 1” soft-dome tweeter that combines an exceptionally flat response above 3 kHz with a compact round faceplate for a clean, modern appearance that integrates easily into any design. The tiny yet powerful neodymium motor structure features an aluminum heatsink and ferrofluid cooling for low power compression and improved long-term power handling. A copper pole cap within the motor further reduces distortion and inductance effects. Choose the ND25FA-4 when you need detail that that doesn’t become fatiguing or shrill at high volumes, for a highly refined presentation. The compact faceplate allows for close center-to-center spacing of drivers, making these tweeters perfect for line array use or D’Appolito (MTM) configurations with wide dispersion. Product Details Speaker Series ND Series Model Number ND25FA-4 List Price $22.99 Color Black Unit of Measure Each UPC 848791000850 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 0.2 Speaker Type Tweeter Power Handling (RMS) 20 watts Power Handling (max) 40 watts Continuous Program Power -- Impedance 4 ohms Sensitivity 90 dB @ 2.83V/1m Frequency Response 2 500 - 20 Voice Coil Diameter 25 mm Magnet Weight -- DC Resistance (Re) 3.2 ohms Voice Coil Inductance (Le) 0.03 mH Resonant Frequency (Fs) 1 350 Hz Mechanical Q (Qms) 3.87 Electromagnetic Q (Qes) 2.61 Total Q (Qts) 1.56 Diaphragm Mass Inc. Airload (Mms) -- Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) -- Surface Area Of Cone (Sd) 7.5 cm² Volume of Displacement (Vd) -- BL Product (BL) -- Compliance Equivalent Volume (Vas) -- Maximum Linear Excursion (Xmax) -- Drivers Mechanical Losses (Rms) -- Cone / Diaphragm Material Soft Dome Entry / Exit Diameter -- Surround Material -- Voice Coil Wire Material Copper Voice Coil Former Kapton® Basket/Frame Material -- Magnet Material Neodymium Overall Outside Diameter 66 mm Overall Depth 35.9 mm Baffle Cutout Diameter 45 mm # Mounting Holes 4 Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight -- Cone / Dome Diameter 1.
B0006B4ZS6 Price: $25.93 Score: 11.905 Category: Electronics Rating: 4.5 Votes: 18 Find similar products Dayton Audio ND20FA-6 3/4 Soft Dome Neodymium Tweeter. Quick Overview This versatile tweeter is a huge step above the average budget tweeter. It has the sensitivity, smoothness, and power handling to individually do a two-way with most small woofers. Product Highlights Compact neodymium motors have low stray field Ferrofluid enhances power handling and helps damp resonance Front-mount pressfit design Center-to-center spacing as low as 1-3/4 Extremely flat and extended response Product Manuals / Spec Sheets / Downloads Dayton Audio ND20FA-6 Specification Sheet Dayton Audio ND20FA-6 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis Product Description Dont let the low price fool you! This versatile tweeter is a huge step above the average budget tweeter. Conceived with line array thoughts in mind, it is finally possible to achieve the inter-driver spacing needed to minimize comb filtering out to nearly 20 kHz. But its uses dont stop at line arrays-- it has the sensitivity, smoothness, and power handling to individually do a two-way with most small woofers. Or, use it in an A-pillar in your car as a great inexpensive component tweeter. Give them a try for your next budget or micro speaker-- you will be pleasantly surprised! Product Details Speaker Series ND Series Model Number ND20FA-6 List Price $19.99 Color Black Unit of Measure Each UPC 844632000874 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 0.1 Speaker Type Tweeter Nominal Diameter .75 Power Handling (RMS) 15 watts Power Handling (max) 30 watts Continuous Program Power -- Impedance 6 ohms Sensitivity 90 dB @ 1W/1m Frequency Response 3 500 - 25 Voice Coil Diameter 19 mm Magnet Weight -- DC Resistance (Re) 5.2 ohms Voice Coil Inductance (Le) 0.05 mH Resonant Frequency (Fs) 2 005 Hz Mechanical Q (Qms) 1.5 Electromagnetic Q (Qes) 2.88 Total Q (Qts) 0.99 Diaphragm Mass Inc. Airload (Mms) -- Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) -- Surface Area Of Cone (Sd) 2.8 cm² Volume of Displacement (Vd) -- BL Product (BL) -- Compliance Equivalent Volume (Vas) -- Maximum Linear Excursion (Xmax) -- Drivers Mechanical Losses (Rms) -- Cone / Diaphragm Material Textile Soft Dome Entry / Exit Diameter -- Surround Material -- Voice Coil Wire Material Copper Voice Coil Former Aluminum Basket/Frame Material -- Magnet Material Neodymium Overall Outside Diameter 45 mm Overall Depth 15 mm Baffle Cutout Diameter 33 mm Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight -- Cone / Dome Diameter 3/4.	B01MV5QTLJ Price: $32.15 Score: 8.547 Category: Electronics Rating: 4.5 Votes: 58 Find similar products Dayton Audio DAEX30HESF-4 High Efficiency Steered Flux Exciter with Shielding 30mm 40W 4 Ohm. Quick Overview The DAEX30HESF-4 30 mm steered high flux exciter is one of the most powerful in Dayton Audios line of exciters capable of handling up to 40 watts. A pre-attached 3M VHB adhesive ring combines with four screw-down mounting tabs for maximum energy transfer. Product Highlights High output exciter design handles up to 40 watts RMS Specially designed neodymium motor and proprietary voice coil 3M™ VHB™ adhesive ring with four mounting holes Low inductance (only 0.3 mH) motor for extended response Product Manuals / Spec Sheets / Downloads Dayton Audio DAEX30HESF-4 Specification Sheet AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis Product Description Dayton Audios DAEX30HESF-4 steered high flux exciter is one of our most powerful. It has a specially designed neodymium motor system that imparts strong forces on even the most rigid surface for maximum output. For use with medium sized amplifiers, this steered high flux exciter incorporates a 4 ohm voice coil to extract maximum power. A wide frequency response is permitted due to this exciters low inductance of only 0.3 mH. Four threaded screw holes are integrated into the exciters shell and combine with a 3M VHB (Very High Bond) adhesive, permitting this exciter to be securely coupled to a wide range of materials, even upside-down mounting and attaching to moving objects. Two solder tabs offer quick, permanent wire attachment. Note: An exciters frequency response and sensitivity are completely dependent on the exciters designated surface. Thinner, smaller materials will tend to be louder and create a mid/tweeter response. Thicker, larger materials (with multiple exciters) will be slightly quieter but result in a more full-range sound. To understand more about exciter technology, here is a link to the Exciters Buyers Guide . Product Details Speaker Series Exciters Model Number DAEX30HESF-4 List Price $29.99 Color Silver Unit of Measure Each UPC 848791001574 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 0.4 Speaker Type Exciter Power Handling (RMS) 40 watts Power Handling (max) -- Continuous Program Power -- Impedance 4 ohms Sensitivity -- Frequency Response -- Voice Coil Diameter 30 mm Magnet Weight -- DC Resistance (Re) 3.8 ohms Voice Coil Inductance (Le) 0.31 mH Resonant Frequency (Fs) 300 Hz Mechanical Q (Qms) -- Electromagnetic Q (Qes) -- Total Q (Qts) -- Diaphragm Mass Inc. Airload (Mms) -- Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) -- Surface Area Of Cone (Sd) -- Volume of Displacement (Vd) -- BL Product (BL) -- Compliance Equivalent Volume (Vas) -- Maximum Linear Excursion (Xmax) -- Drivers Mechanical Losses (Rms) -- Entry / Exit Diameter -- Surround Material -- Voice Coil Wire Material -- Voice Coil Former -- Basket/Frame Material -- Magnet Material -- Overall Outside Diameter 2.25 dia. (2.75 across mounting tabs) 1.25 adhesive tab dia. Overall Depth 1.125 H Baffle Cutout Diameter -- Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --.
B072QYDPTZ Price: $10.98 Score: 8.130 Category: Electronics Rating: 3.5 Votes: 6 Find similar products Dayton Audio DAEX25QLP-4 Quad Feet Low Profile 25mm Exciter 10W 4 Ohm. Quick Overview Turn almost anything with a flat surface into a speaker. The Dayton Audio DAEX25QLP-4 4 ohm sound exciter improves power handling with a vented voice coil. Product Highlights Four arms provide extra support improving linearity 4 ohms impedance for use with small, Class D amplifiers Rare-earth neodymium motor and a proprietary vented voice coil Turns any flat, rigid surface into a speaker Product Manuals / Spec Sheets / Downloads Dayton Audio DAEX25QLP-4 Specification Sheet AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis Product Description Dayton Audios DAEX25QLP-4 quad arm exciter is built with four arms that extend out from the main exciter body, which allows this exciter to transfer sound to a much larger surface for lower frequency response extension (more bass). Also, the arms help to support the magnet/voice coil improving linearity when mounted on horizontal surfaces. A neodymium magnet is employed to create maximum magnetic flux around the proprietary voice coil for increased sensitivity when compared to similar sized exciters. In turn, this reduces power requirements and makes it possible to use very small audio amplifiers, without sacrificing total output. The 1 voice coil allows for more input power, creating rich, dynamic sound. To ensure maximum acoustic energy transfer between the transducer and the surface to which it is attached, 3M VHB (Very High Bond) adhesive is pre-applied to the main body, and the four arms ... just peel and stick! Note: An exciters frequency response and sensitivity are completely dependent on the exciters designated surface. Thinner, smaller materials will tend to be louder and create a mid/tweeter response. Thicker, larger materials (with multiple exciters) will be slightly quieter but result in a more full-range sound. Specifications: • Power handling: 10 watts RMS • VCdia: 1 (25 mm) • Nominal impedance: 4 ohms • Re: 3.8 ohms • Le: 0.28 mH • Fs (uncoupled): 300 Hz • Dimensions: 2.75 (70 mm) overall diameter x 0.75 (19 mm) total height • Weight: 50 grams. To understand more about exciter technology, here is a link to the Exciters Buyers Guide . Product Details Speaker Series Exciters Model Number DAEX25QLP-4 List Price $10.99 Color Black Unit of Measure Each UPC 848791001772 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 0.167 Power Handling (RMS) 10 watts Power Handling (max) -- Continuous Program Power -- Impedance 4 ohms Sensitivity -- Frequency Response -- Voice Coil Diameter 25 mm Magnet Weight -- DC Resistance (Re) 3.8 ohms Voice Coil Inductance (Le) 0.28 mH @ 1 kHz Resonant Frequency (Fs) 300 Hz Mechanical Q (Qms) -- Electromagnetic Q (Qes) -- Total Q (Qts) -- Diaphragm Mass Inc. Airload (Mms) -- Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) -- Surface Area Of Cone (Sd) -- Volume of Displacement (Vd) -- BL Product (BL) -- Compliance Equivalent Volume (Vas) -- Maximum Linear Excursion (Xmax) -- Drivers Mechanical Losses (Rms) -- Entry / Exit Diameter -- Surround Material -- Voice Coil Wire Material -- Voice Coil Former -- Basket/Frame Material -- Magnet Material -- Overall Outside Diameter 70 mm Overall Depth 19 mm H Baffle Cutout Diameter -- Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --.	B08M9JCT9R Price: $213.99 Score: 7.519 Category: Electronics Rating: 5 Votes: 3 Find similar products IMAGE DYNAMICS IDQS8 8 125W RMS Shallow Mount SUBWOOFER Speaker (IDQS8-D2 \| 125W RMS). IDQS8 D2 \| 8 125W RMS Dual 2-Ohm Shallow Subwoofer FEATURES: SPECIFICATIONS: Features: High Excursion Design allows acoustically linear bass output at all rated power levels. Parabolic Santoprene Surround to ensure cone linearity and control. Poly/Mica Cone for strong and distortion free bass reproduction while still reproducing all the musical nuances. Nomex Spider for consistent control throughout the piston range and life of the woofer. Poly Carbonate Neck Joint allows the woofer to handle more raw power without any mechanical failure or flex and isolate the heat from the BASV voice coil former from the cone. American Made Flat Wound Extended Voice Coil gives our woofers higher magnetic flux (strength) and more voice coil “traction” in the magnetic gap with over 1.75” of linear travel in the magnetic gap. Extended Y-35 Motor Structure allows the voice coil to move freely without any mechanical bottoming out while producing a very powerful flux field. Field Replaceable Cone Assembly can be changed in 10 minutes with only 16 screws and alignment shims that come with our recone kits. Parameters: Power Handling: 125W RMS 250W Peak VC Impedance: 2-Ohms + 2-Ohms Test Impedance: 1-Ohm Driver Displacement: 0.03 Fs: 53 Hz SD: 213.82 sqCM Vas: 5.379 Ltr Cms: 98.67 M/N Mms: 92.033 g BL: 5.109 Qms: 3.607 Qes: 1.346 Qts: 0.98 No: 0.0683% Spl: 82 dB Xmax: 7mm Voice Coil: 1.5 Voice Coil Height: 0.87 Voice Coil Type: Kapton Former Voice Coil Wire: Copper DC Resistance: 1.15 Ohms Voice Coil Induct at 1kHz: 0.37 MH Frequency Response: 50-500Hz Resonant Freq: 53 Fs Hz HE-Magnetic Gap Height: 0.314 Motor Structure: 21.69 oz Mounting Depth: 3.11 Cutout Diameter: 7.18.
B074XNDT35 Price: $8.99 Score: 7.042 Category: Electronics Rating: 3.1 Votes: 23 Find similar products KNACRO DC 10V-24V Low-Pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board. Power supply voltage: DC12V-24V DC single power supply. Frequency range: 22Hz-300Hz. Audio input: mono or two-channel. Audio output: monaural. PCB Size: 78x32mm, thickness: 1.6mm. PCB Materials: FR-4 ultra-hard glass plate. Finished plate net weight: 30g. Plate mounting holes center to center spacing: 70x24mm, hole diameter: 3.2mm. Potentiometer shaft center to center spacing: 32.5mm. Special reminder: This board is a board bass preamp, directly connected to the speaker will not say anything, must be connected to the subsequent stage amplifier board made of pure active subwoofer to speak, pure stage power amplifier board selected according to individual needs of the degree of shock, The greater the power of pure power amp bass more shocking. The so-called low-pass filter plate is to filter the human voice more than treble part, retain the low frequency part is amplified to improve the bass reproduction efforts will not hear the human voice and high-frequency sound when playing the instrument. The buyer must understand this knowledge, in order to avoid the only, do not know how to use. Most of the market before the subwoofer preamp board are basically dual power, the majority of DIY enthusiasts, is not very convenient to use, after all, a single power supply is relatively easy to find, the premise of guaranteeing effective, we have introduced a single-supply subwoofer home board, you can share a stage with the power amplifier boards, DIY is very convenient. Package included: 1 x Low-pass Filter NE5532 (with 2 rotary potentiometer cap).	B008BWA10I Price: $34.84 Score: 6.623 Category: Electronics Rating: 4.2 Votes: 74 Find similar products 12 Woofer with Poly Cone and Rubber Surround 120W RMS at 8ohm. Ideal in two or three way applications, or as a subwoofer Suitable for sealed or vented enclosures 120W/240W RMS/peak Polypropylene coneRubber surround1.5 voice coil24oz. magnet Sensitivity: 91dB (W/M)Impedance: 8ohmRe: 7.2ohmLe: 0.91mHFrequency response: 50Hz~5KHzFs: 42HzQts: 0.47Qes: 0.57Qms: 3.24Vas: 122.6 litersXmax: 5mmOverall frame diameter: 12.20Required cutout: 10.95Mounting depth: 5.04.
B07L5CRQ7T Price: $649.76 Score: 6.623 Category: Electronics Rating: 4 Votes: 18 Find similar products Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter. You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.	B07QN7PHDM Availability: Currently unavailable Score: 6.579 Category: Electronics Rating: 4.4 Votes: 470 Find similar products Little Dot I+ 6JI X2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (LDI+). Input: Gold Plated Unbalanced (RCA) Jacks Output: 1/4 Gold Plated Stereo Headphone out Tube Options: 6JI standard Frequency Response: 10HZ ~ 50KHz (minus3 dB) THD plus N: 0.2 percent: 1Vrms @ 1000Hz 0.6 percent: 3Vrms @ 1000Hz 1.0 percent: 5Vrms @ 1000Hz Signal to Noise: 92dB Suitable Headphone Impedance: 8 ~ 600 ohms Input Impedance: 50K ohms Power Output: 150mW @ 300 ohms 300mW @ 120 ohms 800mW @ 32 ohms User variable gain settings: 6.5x or 3.25x Power Consumption: 15VA Measurements: Metric: 180mm (L) by 97mm (W) by 100mm (H) English: 7.08 inches (L) by 3.81 inches (W) by 3.93 inches (H) Weight: 1.5 kg or 3.3 lbs. Available in Black Available in either 120VAC or 220VAC.