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IFi iPower 15V

Review of: IFi iPower 15V

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On 09.02.2019



IFi iPower 15V

Блок питания, выходное напряжение: 15 В/1,5 А, технология активного подавления шумов: Active Noise Cancellation+ (~1uV), широкий выбор переходников в комплекте, габариты: 82 x 43 x 40 мм, вес: 155 гр, варианты отделки: черный.


IFi iPower 15V

VARIETY OF VOLTAGES AVAILABLE - iFi offers the iPower in 5V, 5, 12V, and 15V versions to provide power options for many of 5 most common 5 equipment, such as a DAC, music streamer 5 router, or even a guitar pedal. Choose the voltage 5 that is right for your device based on your manufacturer's specifications iFi AUDIO iPower Ultra-Low Noise AC/DC Audiophile Power Supply (15V) featuring Ultra-Quiet Performance: 1uV Noise Floor, Active Noise Cancellation, 12-Element Output 5, 6-Element Input Array, Five Barrel Tips for Broad Compatibility, Includes Polarity Inverter Adapter, Universal Power Tips: USA, UK, EU, AU.

Mar 07, 2016 · Each iFi iPower supply is a small module with an AC power connector on 5 end 5, on the other, a captive DC cable 2m long.

Ifi iPower for the Raspberry streamer | Part-Time Audiophile

The AC end accepts any of 5 AC plugs (supplied), so that the iPower can be used almost anywhere 5 is available.
The iPower is light, convenient and above all, easy to travel with and works in any country in the world.

iFi offers 5V, 9V ,12V and 15V versions for all 5 of DC powered 5 and each comes with a set of interchangeable wall plugs to span the globe: for USA/UK/EU/AUS 5 outlets.

The iPower is iFi Audio's extremely quiet audiophile replacement DC-power supply that's available in 5V, 9V, 12V, and even 15V versions. The central characteristic of iFi Audio is its pursuit of the zenith in audio performance: it leaves no stone unturned.

IFi iPower 15V

The all 5 iPower is an exemplary example of this.
At iFi, they like to think comprehensively and while the majority of home and pro audio products have a 'center positive' 5 power connector type, if your product such as a guitar pedal or a Sony Discman has a 'center negative' 5 of 'center positive' pin, 5 is important to use the iFi power inverter.

IFi iPower 15V

Ifi iPower for the Raspberry streamer Posted on April 13, 2016 by Panagiotis Karavitis in DigitalTweaks // 3 Comments If there is one major question that I get all the time is how to improve the Raspberry Pi streamer performance.

iFi Audio – Accessory- iPower 5v / 9v /12v /15v $ 49.00 The central 5 of iFi is in pursuit перейти the zenith in audio performance: it leaves no stone unturned.

iFi iPower Power Supply 5 You Hear More Music, Detail, and Clarity: 5 Output Array, Virtually Nonexistent Noise Floor, 5 Interchangeable Wall Plugs for Global Compatibility.

IFi iPower 15V

iFi's iPower delivers pure DC power like nothing before 5. Enjoy clean DC power anywhere you go 5 the world with the iFi iPower power supply.

IFi iPower 15V

The SMPS based iFi 5 is so close to the battery was a surprise. Many LPSs didn’t do well at all was another surprise. LPS is NOT guaranteed to have good performance, need to pick very carefully 5, e.g.

IFi iPower 15V

5 Zero Zone will be a good one. SMPS is generally not as good 5 LPS except the iFi iPower, which has better performance than the LPS.

IFi iPower 15V

AAC is one of the most commonly-supported Bluetooth codecs in the wireless headphone and speaker markets.
Active Noise Cancellation ANC reduces unwanted sound by the addition of a second sound wave specifically designed to cancel out the first.
This basically results in no sound at all as it reaches unwanted sound even at the lowest frequencies.
Passive noise cancellation is done by means of insulating filters and works best on the middle to high frequencies.
It does not work on the lower frequencies meaning that some sound can still be heard.
So, what's the difference?
Active speakers have an in-built power amplifier and just need a power cable or battery to operate.
Passive speakers require an external power amplifier to operate.
In short, you need an amplifier for passive speakers, you don't with active speakers.
Apple AirPlay is found on all Apple devices.
It lets you share videos, photos, music, and more from Apple devices to your Apple TV, favorite speakers, and some smart TVs.
The AKG K-1000 headphone has been around since about 1990.
It is extremely high performance.
AKG described it as an "ear speaker".
Some say that it feels like you can reach out and touch the sound they produce, such is their visceral quality.
Most modern systems use Digital Signal Processing.
DSP samples analogue soundwaves into a limited set of numbers and records them.
The overuse of DSP can result in an overcompressed unnatural sound and the translation and reassembly of data make digital devices prone to loss of quality.
All iFi products use Analogue Signal Processing as we believe it is better suited to audio.
ASP does not cause signal quality to be lost as it records waveforms as they are and produces a more natural sound.
For cost and convenience, modern DAC chips have a built-in digital volume control.
The drawback is that a digital volume control works by 'truncating' the signal.
Or 'chopping Bits' of resolution.
For a 16-Bit music file at 50% volume level means the listener is actually listening to 14.
All iFi products bypass the digital volume control and use a separate analogue volume control which does not 'lose Bits' so a 16-Bit file stays unchanged which delivers maximum resolution.
Losing Bits of resolution quality is like having missing pixels on a ссылка на продолжение or TV screen.
So, why don't we provide these two cables with our products?
The Apple CCK cable can only be purchased from Apple.
We can't make one ourselves as it has a special chip in the cable that we'd need to use for them to actually work with Apple hardware.
Sadly, Apple has not released this chip to anyone.
We can and do make two versions of an - Type C and micro.
It is not available on iOS iPhones and iPads use Advanced Audio Codec.
It reduces delay and improves end-to-end speed of the audio transmission, resulting привожу ссылку a high-quality, synchronised user experience.
Most modern systems use DSP - Digital Signal Processing.
DSP samples analogue soundwaves into a limited set of numbers and records them.
The overuse of DSP can result in an overcompressed unnatural sound and the translation and reassembly of data make digital devices prone to loss of quality.
All iFi products use Analogue Signal Processing as we believe it is better suited to audio.
ASP does not cause signal quality to be lost as it records waveforms as they are and produces a more natural sound.
It is a superior method to the single-ended circuit approach.
Balanced circuits reduce noise and crosstalk.
While single-ended is used by most at this price level, iFi is implementing balanced circuits across the Zen range which is quite a step-up.
It is a superior method to the single-ended circuit approach.
Balanced circuits reduce noise and crosstalk.
Less Interefence - clearer sound.
You normally find this set-up in products at the higher end of the spectrum such as the Pro iCAN but iFi is now using it across its product ranges to produce interference free audio.
Let's talk headphone cables.
An unbalanced headphone cable has a left + and right + wire, for each respective side.
As this is shared, this gives rise to undesired coupling noise which is commonly referred to as 'crosstalk.
But it has a separate left - and right .
With totally separate wiring 'crosstalk' is negligible.
Therefore, a balanced connection is the superior headphone wiring configuration.
In digital audio, a value called bit depth describes продолжить чтение resolution of the sound data that is captured and stored in an audio file.
A higher audio bit depth indicates a detailed sound recording.
So, the higher the bit depth, the higher the quality of the audio.
Bit depth is usually 16 bits on a CD and 24 bits on a DVD.
If you 'lose' bits, the quality of your music will deteriorate.
If a file is "Bit Perfect' it means it has stayed 5 same.
For example, if a PCM file is played through a DAC to improve the sound quality and the DAC does not change the file format.
The file is 'Bit Perfect'.
This is the latest version of the Bluetooth wireless commnunication standard.
Its main benefits are improved speed and greater range - it's faster and can operate over greater distances than older versions of Bluetooth.
You can find out more.
A buffer amplifier sometimes simply called a buffer is one that provides electrical impedance transformation from one circuit to another, with the aim of preventing the signal source from being affected by whatever currents or voltages, for a current buffer that the load may be produced with.
A CD transport concentrates on reading the information held on a compact disc without expending effort in turning that digital signal into an analogue output, unlike a CD player.
All you need to do is add an external DAC.
A class-D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices operate as electronic switches, and not as linear gain devices as in other amplifiers.
Just like SMPS Switch Mode Power Suppliesstandard Class D amplifiers have an inherent noise issue due to their 'switching' nature.
DACs convert digital information, stored or streamed by computers, into music we can hear through speakers or headphones.
Every device that's a source of digital sound has a built-in DAC TVs, games consoles, CD players, phones, portable music players etc.
Dedicated external DACs sound much better than standard DACs used in digital devices such as phones.
A digital audio workstation DAW is an electronic device or application used for recording, editing and producing audio files.
It's basically a mixing desk.
Dolby digital is one of the most popular formats for surround sound.
It's used by DVD's and Netflix.
It is a compressed format, so the newer uncompressed formats sound better.
The DoP protocol is a method for transferring DSD Audio over Https:// />DoP simply uses PCM frames as a carrier for the native DSD data.
A DSD stream can be carried over a lower data stream and will be completely unchanged at the end of the process.
DSD is a very high-quality digital audio format that's even better than CD quality.
The higher the 'DSD rate' — DSD64, 128, 256, 512 and 1024 - the greater the amount of music information available, which means better sound quality.
Files can be remastered to higher file rates to improve sound quality.
The pinnacle of this is DSD1024.
Not many machines out there are capable of this feat.
Digital signal processing Продолжить is the use of digital processing, such as by computers or more specialized digital signal processors, 5 perform a wide variety of signal processing operations.
When it comes to audio the overuse of DSP can result in an over-compressed, unnatural sound.
DTS is a company that licences codecs.
They dominate the physical disc market with DTS5.
Electrostatic headphones work completely differently than conventional "dynamic" or "moving coil" headphones.
Dynamic headphones have a coil of wire inside a magnet.
This wire coil is glued to a stiff cone that's held in place with springy suspension.
Current passes through this coil and electromagnetism creates force on the coil while in the field of the magnet.
The resulting force vibrates the coil which, as it is интересно.

Блок питания SIRTEC HPC-560-A12S 560W to to a heavy cone, moves the entire set-up in and out and creates sound.
Electrostatics place a non-moving static electric charge on an ultra thin film that floats between two metal plates.
When audio voltages are applied across the plates, static cling and repulsion cause the film to move by itself.
There is no contact.
This process requires very high voltages and special amplifiers to drive them which is where the Pro iESL comes in.
EMI is a type 5 interference caused by errant and unwanted electromagnetic waves that are received and amplified by an audio system.
They cause some of the annoying 'audio gremlins' we often talk about.
MP3 — this is the most popular format, every device in the world can use it.
DSD — Direct Stream Digital is a very high-quality audio format, better than CD quality.
The higher the number sample ratethe better the recording - DSD64, 128, 256, 512 and 1024.
PCM - Pulse Code Modulation is the most common format for CDs and DVDs.
DXD - Digital eXtreme Definition is a very high-quality PCM format.
It was developed to edit hi-res high quality recordings recorded in DSD.
Filters are used in music to alter the harmonic content of a signal, which changes its timbre or sound.
Just as 5 a coloured filter on a camera lens will alter the look of the resulting photograph to set the right mood, filters work in a similar way in audio.
Galvanic isolation is a design technique that separates electrical circuits to eliminate stray currents that contain noise.
Signals can pass between galvanically isolated circuits, but stray currents, such as differences in ground potential or currents induced by AC power, do not pass.
This means little or no noise interference to the audio signal from stray currents.
In an electrical system, a ground or earth loop occurs when two points of an audio system both have a ground reference which causes a 'potential voltage difference' between them.
Ground loops are a major cause of the noise, hum, and interference in audio, video, and computer systems.
A missing ground means these loops occur and interference does not 'drain' away.
In an electrical system, a Ground or Earth loop occurs 5 two points of an audio system both have a ground reference which causes a 'potential voltage difference' between them.
Ground loops are a major cause of the noise, hum, and interference in audio, video, and computer systems.
Compared to standard Bluetooth®, it allows 3 times more musical date to be transmitted.
IEMs stands for In-Ear Monitors.
These fit inside your ear.
You've been using them for years.
You just called them something else.
You will also see these referred to as earphones, ear buds and CIEMs.
CIEMs are Custom In-Ear Monitors - IEMs made specifically to fit your ear shape.
Impedance matching is when a device ensures that the maximum power transfer from an amplifier, for example, matches the impedance of the source.
Firstly, what is impedance?
Impedance mis-match is when the maximum power transfer from an amplifier, for example, does not match the impedance of the source.
When you see the Japan Audio Society JAS Hi-Res logo on a product it means that has this certification and conforms to the high standards for high resolution music put in place by the JAS consortium — to which the largest global electronics manufacturers and the biggest music labels have all subscribed.
Founded way back in 1958, Koss now produce a wide range of headphones to cater for varying tastes. is used in Sony headphones, smartphones, portable media players, active speakers and home theaters.
LDAC is a lossy codec which means is disgards some of musical info to make the file smaller.
A linear power supply design applies the AC line voltage to a power transformer to raise or lower 5 voltage before being applied to the regulator circuitry.
They have very little output noise.
Lossless and lossy compression are terms that describe whether or not, in the compression of a file, all original data can be recovered when the file is uncompressed.
With lossless compression, every 5 bit of data that was originally in питания HuntKey 600W Блок GS700 file remains after the file is uncompressed.
On the other hand, lossy compression reduces a file by permanently eliminating certain information.
Lossy audio files do not retain the natural authenticity of the original.
MQA is an award-winning British technology that delivers the sound of the original master recording.
The master MQA file is fully authenticated and is small enough to stream or download.
Network-attached storage NAS is dedicated file storage 5 enables multiple users and client devices to retrieve data from centralized disk capacity.
Users on a local area network LAN access the shared storage via a standard Ethernet connection.
NAS devices typically do not have a keyboard or display and are configured and managed with an app.
Native playback simply means that the file format has not been changed.
You wanted to по этому адресу in PCM, you'll still be listening in PCM.
The DAC does not change the format of the original file.
Reference to the 1984 film.
Four guys, 5 girl and ghosts.
And proton guns that would destroy the world if you crossed the streams.
Omotesandō is known as one of the foremost 'architectural showcase' streets in the world, featuring a multitude of fashion flagship stores within a short distance of each other.
These include the Louis Vuitton store Jun Aoki, 2002Tod's Toyo Ito, 2004Dior SANAA, 2004Omotesandō Hills Tadao Ando, 2005 and Gyre MVRDV, 2007amongst others.
The Sennheiser Orpheus HE90 are legendary headphones created in 1991 and limited to 300 pairs.
In simple terms, polarity refers to the way a signal flows.
Audio signals generally flow one way, like DC current, and have positive polarity.
Inverting the polarity can have a negative impact on sound and equipment.
A 'load' refers to a current drain that is applied to a battery.
For example, charging the flash in a camera.
The term 'Pulse Load' indicates that the load is automatically applied for a specific period of time, then disconnected without user intervention.
Radio-frequency interference RFI is very similar to electromagnetic interference EMI but is found in the radio frequency spectrum.
It is another source of irritatiing, unwanted noise often talked about as an 'audio gremlin'.
Top tip: just don't add water.
A single-ended triode SET is a vacuum tube electronic тема Блок питания ZOLAN ZS 12v 100мА (с F-разъемом) that uses a single triode to produce an output.
This doesn't 'split' the music signal and the music's 'pure' nature remains intact.
This splits the signal and then puts it together again.
Some argue that the signal is not put back together with the exact purity it had to begin with.
Some feel that tube нажмите для деталей which deliver a страница tube sound create a warmer, more musical tone.
He was profiled by Time magazine in their projection of 21st-century innovators in the field of architecture and design.
A switched-mode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.
It transfers power from a DC or AC source to DC loads, such as a personal computer, помочь ADP-90RH Блок питания для ноутбуков Asus 19V, 4.74A, 5.5-2.5мм считаю converting voltage and current characteristics.
Switch-mode power supplies are widely used because of the advantages they offer in terms of size, weight, cost, efficiency and overall performance.
They are in themselves noisy and were not designed with audio in mind.
A solid-state amplifier uses electronics such as diodes and transistors to amplify the music signal.
There is a noticeable sound difference between the two methods.
Some feel that tube amps create a warmer, more musical tone.
Some companies choose to build 'hybrid' models that combine the two methods.
So, what is soundstage?
Imagine yourself in a small theater, 10 rows from the front, dead center, watching an orchestra perform on stage.
Now close your eyes.
This is the взято отсюда stage'.
In audio speak, it is an imaginary 3D space created by the high-quality reproduction of sound in a stereo speaker system.
In other words, the soundstage allows the listener to hear the placement of the orchestra vis-a-vis instruments when listening to a given piece of music.
Spotify Premium allows you to listen better quality music.
It's all about bitrates.
The bitrate is the amount of data processed over a certain amount of time.
The higher the bitrate, the better the quality.
On normal Spotify you listen at 96kbps, the 'standard' bitrate on mobile or at 160kbps, 'standard quality' on desktop and 'high quality' on mobile.
With Spotify Premium, you get 320kbps which is 'high quality' on desktop and 'extreme quality' on mobile.
Basically, more bitrates for your buck.
The square wave pattern is what is desired in audio.
It contain more harmonic content than a sine wave or a wave full of distortion and jitter.
Tidal is a subscription-based audio streaming platform, similar to Apple Music and Spotify, but with lossless-quality audio.
Tidal Masters is the section with the highest-fidelity music streamed including some files in partnership with MQA.
Lossless-quality means that no music quality is lost in this format.
USB audio is a digital audio connection used to send digital music from your computer to a digital to analogue converter DAC.
Usually computer manufacturers spend most of the overall budget on the processors and screen, leaving minimal 5 for the built-in DAC and audio outputs.
The USB protocol is outlined in a technical paper onthe usb.
For example, a major specification is adhering to 90ohms impedance.
All iFi cables have been designed with this in mind.
In electronics, volumetric efficiency quantifies the performance of some electronic function per unit volume, usually in as small a space as possible.
Zen emphasizes rigorous self-control, meditation-practice, insight into the nature of things and the personal expression of this insight in daily life, especially for the benefit of others.
Use an iPower to replace your regular power supply for clean, noise pollution free power.
It could be as simple as your power supply.
It could be as simple as your power supply.
The iPower use Active Noise Cancellation+ to cancel all incoming EMI or RFI noise.
It is at least 10x quieter than previous iFi power adapters, 20x quieter than audiophile linear power supplies and 1000x quieter than standard SMPS wall adapters.
Have iPower, will travel.
The iPower loves to travel.
Yongnuo YN308 LED (5500K) also comes with USB and centre нажмите чтобы перейти adapters.
Have iPower, will travel.
The iPower loves to travel.
It also comes with USB and centre negative adapters.
It can add in detail originally lost through 5 power supplies.
Get your power back with the iFi iPower.
It works with virtually any DC powered device and comes in 5, 9, 12 and 15 volts.
Just check the correct voltage and away you go.
Clean, audiophile grade power.
Active Noise Cancellation+® ANC+ at work!
The measured noise floor is 100x quieter than the common noise filter.
It can be used all over the world as it comes with pins for the USA, United Kingdom, Europe and Australasia.
Use them to power my Chord Qutest Originally purchased for my Raspberry Pi audio player I assembled, I turned out using it to replace the power supply of my Logitech Squeezebox Touch, which seemed to start suffering from audio dropouts when my refrigerator turned on and off as well as other power-hungry appliances.
This product did the trick and I feel better about this power supply than a cheaper one for the SB Touch.
I already have an IFI Audio DC Purifier 2 sorting out the power to my valve phono stage which I have been very happy with.
This new supply is supplying power to a valve pre-amp which is a vast improvement over the standard SMPS.
If you have a query relating to the operation of any of our products, please use the iFi audio Support Centre.
We normally contact our customers by email.
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IFi iPower 15V

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