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Luvay 12Pcs Piezo Pickup Transducer Prewired - 27mm Contact Microphone Trigger - Discs Elements for Acoustic Instrument: Guitar, Drum, CBG etc. with Leads

London Power DIY Speaker Cabinets for Musical Instrument Applications.
Speaker cabinet design is mysterious to most people, but it doesn't have to be - especially when it comes to speakers for musical instruments.
Cabinet evolution is described culminating in Kevin's own designs built by London Power, based on 20+ years of experience and input from expert....
Resonant and non-resonant cabinets are explored, along with the choice for building materials, finishes, woodworking techniques, installing grill....
Driver selection and mixing is detailed, covering driver impedance, power ratings and wiring.

Cone - Made from Polypropylene, The AC12D 12 inch car subwoofer provides a resilient and durable material that can offer great sound and long-lasting subwoofers.
Voice Coil - Our voice coils are able to withstand high temperatures yet maintain its strength and fatigue properties. Making our voice coils with this material gives our speakers the advantage of longer play times with lower weights.
Surround - Foam is very flexible, providing the subwoofer with higher efficiency. This also translates to better excursion (How far the cone of a speaker linearly travels from its resting position).
Basket - The stamped basket offers a strong and rigid platform allowing the listener to hear clean and clear music output.
Specs - 13” x 13” x 6”, Resonant Frequency - 32 Hz, Sensitivity SPL (1W/1m) - 88 Db.
Warranty - Planet Audio provides a powerful 3-year platinum online dealer warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

Resonant impedance:52% Static capacitance:1800pF.
Ceramic disc diameter is 20mm (not include rubber ring)( with ring diameter is 25mm).
This Ceramic Disc is mainly used in the household humidifier. The front surface is plated with titanium. Anti-aging, anti-corrosion, durable..
Package includes: 2x 20mm Ultrasonic Ceramics Discs.

Designed with the ideal combination of responsiveness and depth to showcase a diverse range of musical styles.
Custom-built with a 3-mil 1-ply resonant, which is the standard thickness for most snare side heads.
Offers a sensitive, snare wire response for use at lower volumes.
Creates enough depth to cut through at higher volumes when you are in the studio performing.
The hazy film gives the resonant drumhead a stylish look and a warmer vibe.

Sizes and Purpose Size(s): Multiple Quantity: Individual Styles: Multipurpose Type: Set - All Side: Both Construction Texture: Laminated Plies: 1 Material: Mylar Thickness (mil): 12mil Weight: Heavy Collar: Standard Other Dampening Ring: No Country of Origin: United States.
Ambassador Starfire Chrome drumheads feature controlled tone and sustain with a reflective gold laminate.
Constructed with 1-ply of laminated 12-mil film, Ambassador Starfire Chrome drumheads are most popular as resonant heads because of their controlled sustain and reflective look.

Plate Material: Brass.Resonant Frequency: 1.8 +/- 0.3 KHz..
Resonant Impedance: less than or equal to 300 Ohms .Static Capacitance: 50000PF +/- 30%..
Suitable for DIY projects, contact microphones, cigar box guitar pickups, touch sensors, drum triggers, homemade speakers, buzzers, etc..

Sizes and Purpose Size(s): Multiple Quantity: Individual Styles: Multipurpose Type: Set - All Side: Both Construction Texture: Laminated Plies: 1 Material: Mylar Thickness (mil): 12mil Weight: Heavy Collar: Standard Other Dampening Ring: No Country of Origin: United States.
Ambassador Starfire Chrome drumheads feature controlled tone and sustain with a reflective gold laminate.
Constructed with 1-ply of laminated 12-mil film, Ambassador Starfire Chrome drumheads are most popular as resonant heads because of their controlled sustain and reflective look.

EMAD SYSTEM– The Evans batter bass drumhead and resonant drumhead have an externally mounted adjustable damping system (EMAD) that allows each player to control the attack and focus of the drum head by choosing one of two removable foam damping rings..
EMAD BATTER BASS - The Evans EMAD system value pack includes one 22” EMAD batter bass drumhead featuring a single ply of 10mil film providing an ideal balance of punch, power and low-end..
REMAD RESONANT BASS – The set also includes 1, 22” REMAD resonant drumhead featuring an offset 4" microphone port in a single ply of 10mil film ..
LEVEL 360 TECHNOLOGY – A Level 360 collar allows the Evans bass drumheads to seat properly and in turn provides heads that are easier to tune and a wider tonal range for a sound that is studio ready..
MADE IN THE USA - For over 60 years, Evans has been a pioneer in drum head manufacturing and design. Regarded for high quality and consistency all Evans drumheads are proudly designed, engineered, and manufactured in the USA to the most stringent quality controls in the industry..

Sizes and Purpose Size(s): Multiple Quantity: Individual Styles: Multipurpose Type: Set - All Side: Both Construction Texture: Laminated Plies: 1 Material: Mylar Thickness (mil): 12mil Weight: Heavy Collar: Standard Other Dampening Ring: No Country of Origin: United States.
Ambassador Starfire Chrome drumheads feature controlled tone and sustain with a reflective gold laminate.
Constructed with 1-ply of laminated 12-mil film, Ambassador Starfire Chrome drumheads are most popular as resonant heads because of their controlled sustain and reflective look.

High-quality materials, durable and excellent performance..
The front surface is plated with titanium. Aging resistant, corrosion resistant, durable..
High temperature calcined ceramic disc, good quality, large amount of fog!.

100% brand new and high quality,2x D20mm Ultrasonic Mist Maker Fogger Water Fountain Ceramic Humidifier.
Excellent quality, fast delivery, simple after-sales We make every effort to provide customers with satisfactory service..
Specification:20x1.2mm (as picture shown, ceramic disc diameter is 20mm (not include rubber ring)( with ring diameter is 25mm).
The product as described in the picture，Resonant frequency:1.70MHz.
Resonant impedance:52%,Static capacitance:1800pF,Atomization quantity:.
Note: Lighting, display and other factors may cause COLOR SHADING, please comprehensive pictures and text descriptions to determine!.