Find great deals for JBL h 2″ Compression Horn Driver. Shop with confidence on eBay!. The JBL H is a pro high quality 2″ high frequency compression driver that handles watts above kHz; JBL’s newly developed Coherent Wave™. I was wondering if anyone thought this a good driver to use for home hifi? Its efficiency is rather high and so is its cost new from PE(\\\), th.
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Payment and shipping information: Can be collected if collecting please pay on collection or will ship very well packed and fully insured worldwide – please see below for examples of shipping costs to various countries – if you can’t see jl destination please email for a quote before bidding.
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Clearing of goods through local customs is the buyers responsibility as is payment of n duties and taxes that may be levied. Methods of payment are Bank Transfer, Paypal or payment on collection. For overseas bidders, payment can be made by bank transfer or paypal. Skip to main content. Bidding has ended on this item. Mouse over to zoom – Click to enlarge. Have one to sell? Add to Watch list. Seller information hi-fihouse No additional import charges on delivery. This item will be sent through the Global Shipping Programme and includes international tracking.
Learn more – opens in a new window or tab. Visit eBay’s page on international selling. Bournemouth, Dorset, United Kingdom. This amount is subject to change until you make payment. For additional information, see the Global Shipping Programme terms and conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees.
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Estimated delivery dates – opens in a new window or tab jlb seller’s handling time, origin Post Code, destination Post Code and time of acceptance and will depend on postage service selected and receipt of cleared payment – opens in a new window or tab. Delivery times may vary, especially during peak periods. International postage and import charges paid to Pitney Bowes Inc.
Learn More – opens in a new window or tab International jbp and import charges paid to Pitney Bowes Inc. Learn More – opens in a new window or tab Any international postage and import charges are paid in part to Pitney 4246 Inc. Learn More – opens in a new window or tab Any international postage is paid in part to Pitney Bowes Inc. Learn More – opens in a new window or tab. Pay with PayPal and you’re fully protected.
JBL h 2″ Compression Horn Driver | eBay
Report item – opens in a new window or tab. Description Postage and payments. Seller assumes all responsibility for this jbo. An item that has been previously used.
JBL 2446h 2″ Compression Horn Driver
The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or an item that has been returned to the seller after a period of use. See all condition definitions – opens in a new window or tab. Very good condition and full working order. The unit is mounted to a horn, which acoustically matches the impedance of the driver to the impedance of the air and shapes the signal. Compression drivers tend to be expensive due to the precision tolerances required in their manufacture, but they deliver many times more sound-pressure-per-watt of input power than traditional direct-radiating cone speakers.
Compression is used during sound recording, live sound reinforcement, and broadcasting to control the level of audio. A compressor is the device used to apply compression. Sometimes the transducer is itself referred to as a speaker, particularly when a single one is mounted in an enclosure or as surface-mounted device as in a wall-mounted speaker, car audio speaker, and so on.
There are many different types of speaker drivers. The most common ones are the woofer, mid-range and tweeter, as well as subwoofers which are becoming very common.
Less common types of speaker drivers are supertweeters and rotary woofers, a new technology that is still proprietary of Eminent Technology. The related term “jack plug” commonly refers to a “less fixed” connector of a connector pair, often with the male electrical contact or pin, and is generally shortened to simply “plug.
If two or more signals or devices are “out-of-phase” with respect to each other, cancellation or other disturbance of the combined output can result.
Some examples of operating phase polarity definitions: It is expressed in terms of watts, milliwatts or microwatts. Inserting a plug breaks this connection, allowing the signal path to be modified.
Normal wiring is common in patchbays and insert jacks. When a vibrating object such as a guitar body is stimulated by a second oscillator such as a vibrating stringits pattern of vibration may be altered.
If the two vibrate at the same or a harmonically related frequency, they tend to phase-lock together in sympathetic vibration at this common resonant frequency. The amplitude of their vibration is thus greatly increased. Oscillations at nonharmonic frequencies have far less effect. The same principle holds with electrical signals. Direct current is produced by such sources as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type.
Direct current may flow in a conductor such as a wire, but can also be through semiconductors, insulators, or even through a vacuum as in electron or ion beams. The electric charge flow in a constant direction, distinguishing it from alternating current AC. A term formerly used for direct current was Galvanic current. Since it expresses a ratio of two same unit quantities, it is a dimensionless unit.
A decibel is one tenth of a bel B. We perceive loudness of sound as the logarithm of the actual sound intensity, and dB decibels are a logarithmic scale. Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal symbol: The instantaneous sound pressure is the deviation from the local ambient pressure p0 caused by a sound wave at a given location and given instant in time.
The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time or space.
In a sound wave, the complementary variable to sound pressure is the acoustic particle velocity. For small amplitudes, sound pressure and particle velocity are linearly related and their ratio is the acoustic impedance.
The acoustic impedance depends on both the characteristics of the wave and the medium. The local instantaneous sound intensity is the product of the sound pressure and the acoustic particle velocity and is, therefore, a vector quantity. Most loudspeakers are very low efficiency transducers typically around 5 per cent.
Only horn loudspeakers manage a much higher efficiency sometimes around 30 per cent. Equivalent to cycles per second, it is named for Heinrich Hertz and abbreviated “Hz.
Passive crossovers are usually built inside speaker cabinets where they divide an amplifier’s output signal for routing to different 4246 combinations. The octave relationship is a natural phenomenon which has been referred to as the “basic miracle of music,” the use of which is “common in most musical systems. With the help of other speaker components, the voice coil is the active 24446 that converts electrical signals from the amplifier or receiver into mechanical energy, which we hear as sound.
The voice coil cylinder is the part of the speaker around which the voice coil is wound. More advanced speakers offer a heat-resistant voice coil to prolong speaker life. It has the symbol Al; its atomic number is It is not soluble in water under normal circumstances. Aluminium is the most abundant metal in the Earth’s crust, and the third most abundant element therein, after oxygen and silicon. Aluminium is too reactive chemically to occur in nature as a free metal. Instead, it is found combined jbp over different minerals.
The chief source of aluminium is bauxite ore. Questions and answers about this item. Ask a question – opens in a new window or tab.
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JBL H 8-ohm collection on eBay!
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