OPPO PM-1 Casti

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Tip casti Portabile pe cap
Transfer de date Cablu
Frecventa min. 10 Hz
Frecventa max. 50000 Hz
Sensibilitate 102 dB
Lungime cablu 300 cm
Volum reglabil Nu
Greutate 395 g

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Amplificator de Casti OPPO HA-1
Acest produs se comercializeaza atat pe culoare negru ( black ), cat
si culoare argintie ( silver ), va rugam sa specificati in momentul
comenzii culoarea dorita in sectiunea observatiiDiscrete Class A Amplifier - A
Class A amplifier conducts signal over the entire range of the input
signal cycle. The output transistors are biased to operate in their most
linear range, and there is no crossover distortion caused by switching
the signal between two push-pull devices. The HA-1's power amplification
circuit for the headphones is Class A built with discrete transistors.
The discrete design allows us to hand-pick and match the best parts to
build the HA-1. Fully Balanced DesignThe
internal analog audio signal path of the HA-1 is fully balanced. For
digital audio, the signal runs in balanced mode all the way from the DAC
to the output jacks. Balanced analog input is kept intact, and
single-ended input is converted to balanced at the input buffer. All
single-ended outputs are derived from the balanced signal as well. The
balanced design provides better common-mode noise rejection and improves
signal quality. The balanced headphone output provides twice the
voltage and four times the power of the single-ended output, enabling
the HA-1 to drive the most power hungry headphones. It also provides
better channel seperation by eliminating the common ground return path. Clean Signal PathThe HA-1
uses an analog potentiometer (the familar volume knob) to control the
volume. By avoiding re-digitizing the audio signal for volume
adjustment, the HA-1 provides a clean signal path for the audio. At the
same time, the convenience of modern digital volume control is not lost -
a remote-controlled motor turns the volume knob and a 10-bit
analog-to-digital converter samples the signal to display a numeric dB
level. Toroidal Power SupplyA
toroidal power transformer offers superior power efficiency and much
lower exterior magnetic fields over traditional laminated steel core
transformers. The HA-1's toroidal linear power supply provides a very
clean and robust power source to the audio components. ESS Sabre32 Reference DACThe DAC is one of the most important components for digital audio playback. The SABRE32
Reference ES9018 from ESS Technology is the worlds best performing
32-bit audio DAC solution targeted for high-end consumer applications
and professional studio equipment. With the ESS patented 32-bit
Hyperstream DAC architecture and Time Domain Jitter Eliminator, the
SABRE32 Reference DAC delivers an unprecedented DNR (Dynamic
Range) of up to 135dB and THD+N (Total Harmonic Distortion plus Noise)
of -120dB, the industrys highest performance level that will satisfy
even the most demanding audio enthusiast. To learn more about the
technologies behind the exceptional performance of the SABRE DAC, please
read the SABRE Technical White Paper. Asynchronous USB DAC- By
bypassing the low fidelity, poor quality DAC of traditional computer
soundcards, the HA-1 turns any computer into a high performance
multi-media source by converting digital audio to analog through the ESS
Sabre32 Reference DAC. The asynchronous transfer mode uses
the high precision clock inside the HA-1 to drive the audio signal, not
relying on the clock quality of the computer. HA-1's USB DAC input
supports PCM up to 384 kHz 24-bit and DSD up to 12 MHz (DSD256). Made for iPod, iPhone and iPad
The HA-1 passes Apple's MFi certification and is compatibile with
the latest iPod, iPhone and iPad to be used as the digital audio output
accessory of these devices. By tapping directly into the digital audio
signal of these devices and converting the audio to analog using the
high performance SABRE32 Reference DAC, music from your favorite portable device will sound its best. Wireless Audio via Bluetooth -
The HA-1 supports Bluetooth Advanced Audio Distribution Profile (A2DP)
with both the standard and aptX high quality codec. Simply pair your
phone with the HA-1 and set music free wirelessly from your mobile
phone.
Stereo Pre-Amplifier with Home Theater Bypass
- The HA-1 doubles as a high fidelity stereo pre-amplifier with both
RCA and XLR output ports. A special Home Theater Bypass mode can be
assigned to any input source, making it very easy to integrate the HA-1
as a stereo pre-amplifier into a home theater sound system. Trigger InputOutput
The HA-1 features 12V trigger input and output. When used as a stereo
pre-amplifier, the trigger output can turn on your power amplifiers
automatically when the HA-1 is turned on. You can also turn on the HA-1
automatically by connecting its trigger input to the trigger output of a
source device or a surround sound processor. Remote ControlApp
The HA-1 comes with a remote control that provides volume control,
direct source selection and even playback control for digital audio
sources. A remote control app is available for both Apple's iPhone and
Android-based smartphones. The app works over Bluetooth and offers the
same functionality as the physical remote control. Adjustable Gain SettingThe
headphone power amplifier has an adjustable gain setting. For optimal
sound quality and to best match your headphones' sensitivity, you can
choose between Normal and High for the Headphone Gain setting. Build QualityThe HA-1 is
housed in a brushed aluminum chassis. The Class A amplifier naturally
consumesmore power and generate more heat than other types of
amplifiers, so the HA-1 is designed with ample ventilation and built
with the finest components to ensure long term stability and
performance. Tipping the scale at 13 lbs, the HA-1 is a solidly built
desktop headphone amplifier. Uncompromising Audio
built with the latest technology
The analog audio section of the HA-1 is a fully balanced design with
an emphasis on keeping the audio signal in the analog domain once it
leaves the DAC. The HA-1 is anchored by a hefty toroidal power
transformer, and linear power regulators and filters with custom made
capacitors ensure that the headphone amplifier has a clean power source
with plenty of reserve energy. The fully balanced Class A power
amplification section uses hand-picked and paired discrete components to
ensure symmetry, and a motor-driven precision volume control knob
allows for both manual and remote control volume adjustment while
keeping the audio in a pure analog audio path.
Class A Headphone Amp and Pre-AmpFully balanced analog inputs and outputs, purely analog volume control, and an adjustable headphone gain switch. Toroidal Power SupplyA custom OPPO transformer provides clean power with plenty of energy reserves. Mobile Device SupportBluetooth with Apt-X codec for high quality wireless audio and a USB input for mobile phones and tablets. ESS 9018 Sabre32 Reference DACHigh resolution performance with extremely low noise and distortion. High Definition Audio SupportNumerous
digital inputs including coaxial, optical, AES/EBU, and an asynchronous
USB DAC input that supports PCM, DSD64 and DSD128. Display Driven InterfacePhysical volume and source selection knobs frame a 4.3-inch display for easy operation.
High Performance AudioThe HA-1 is especially suitable for
high-resolution digital audio playback. Its digital inputs include
coaxial, optical, balanced AES/EBU, and an asynchronous USB DAC. It is
easy to connect the HA-1 to digital audio players or to a computer
running the listeners favorite playback software. The USB DAC supports
PCM audioup to 384 kHz 32-bit resolution and DSD audioup to 256x the
CD sample rate. The same ESS 9018 Sabre32 Reference DAC and
output driving stage used in OPPO audiophile Blu-ray players ensure
extremely low noise and low distortion performance. The HA-1 is
compatible with Apples iPod, iPhone and iPad for use as an external
DAC, enabling the listener to directly tap into digital music played
from these devices. For additional convenience, the Bluetooth audio
transport with high quality aptX CODEC sets music free from your mobile
phones with a performance boost.
OPPO designs the HA-1 headphone amplifier with the same versatile
approach as the Blu-ray players. The HA-1 is a high performance
headphone amplifier, and it doubles as an asynchronous USB DAC, a stereo
pre-amplifier, a digital audio dock for mobile devices, and a Bluetooth
audio transport. Users have a choice of using the 4-pin balanced XLR or
the traditional quarter-inch headphone jack. Line level analog inputs
and outputs are provided with both RCA and balanced XLR sockets.
The HA-1 sports a classic design with contemporary elements. It is a
desktop component housed in an aluminum chassis, and the familiar volume
and source selection knobs are complemented by a 4.3-inch color screen
for easy operation. While music is playing, the screen can show a
classic VU meter, a modern spectrum display, or detailed technical
information about the audio signal. A supplied IR remote and a
smartphone app provide complete control and convenience.
RemoteControl App
The OPPO Remote Control app provides a convenient way to control your
OPPO HA-1 Headphone Amplifier from your mobile device. You will be able
to switch input sources, adjust volume, mute/unmute audio, set the
screen brightness level, and even control playback of digital audio
sources. Available in Black or Silver
Choose between two classic colors. Uniquely BetterDiscrete Class A Amplifier - A
Class A amplifier conducts signal over the entire range of the input
signal cycle. The output transistors are biased to operate in their most
linear range, and there is no crossover distortion caused by switching
the signal between two push-pull devices. The HA-1's power amplification
circuit for the headphones is Class A built with discrete transistors.
The discrete design allows us to hand-pick and match the best parts to
build the HA-1. Fully Balanced DesignThe
internal analog audio signal path of the HA-1 is fully balanced. For
digital audio, the signal runs in balanced mode all the way from the DAC
to the output jacks. Balanced analog input is kept intact, and
single-ended input is converted to balanced at the input buffer. All
single-ended outputs are derived from the balanced signal as well. The
balanced design provides better common-mode noise rejection and improves
signal quality. The balanced headphone output provides twice the
voltage and four times the power of the single-ended output, enabling
the HA-1 to drive the most power hungry headphones. It also provides
better channel seperation by eliminating the common ground return path. Clean Signal PathThe HA-1
uses an analog potentiometer (the familar volume knob) to control the
volume. By avoiding re-digitizing the audio signal for volume
adjustment, the HA-1 provides a clean signal path for the audio. At the
same time, the convenience of modern digital volume control is not lost -
a remote-controlled motor turns the volume knob and a 10-bit
analog-to-digital converter samples the signal to display a numeric dB
level. Toroidal Power SupplyA
toroidal power transformer offers superior power efficiency and much
lower exterior magnetic fields over traditional laminated steel core
transformers. The HA-1's toroidal linear power supply provides a very
clean and robust power source to the audio components. ESS Sabre32 Reference DACThe DAC is one of the most important components for digital audio playback. The SABRE32
Reference ES9018 from ESS Technology is the worlds best performing
32-bit audio DAC solution targeted for high-end consumer applications
and professional studio equipment. With the ESS patented 32-bit
Hyperstream DAC architecture and Time Domain Jitter Eliminator, the
SABRE32 Reference DAC delivers an unprecedented DNR (Dynamic
Range) of up to 135dB and THD+N (Total Harmonic Distortion plus Noise)
of -120dB, the industrys highest performance level that will satisfy
even the most demanding audio enthusiast. To learn more about the
technologies behind the exceptional performance of the SABRE DAC, please
read the SABRE Technical White Paper. Asynchronous USB DAC- By
bypassing the low fidelity, poor quality DAC of traditional computer
soundcards, the HA-1 turns any computer into a high performance
multi-media source by converting digital audio to analog through the ESS
Sabre32 Reference DAC. The asynchronous transfer mode uses
the high precision clock inside the HA-1 to drive the audio signal, not
relying on the clock quality of the computer. HA-1's USB DAC input
supports PCM up to 384 kHz 24-bit and DSD up to 12 MHz (DSD256). Made for iPod, iPhone and iPad
The HA-1 passes Apple's MFi certification and is compatibile with
the latest iPod, iPhone and iPad to be used as the digital audio output
accessory of these devices. By tapping directly into the digital audio
signal of these devices and converting the audio to analog using the
high performance SABRE32 Reference DAC, music from your favorite portable device will sound its best. Wireless Audio via Bluetooth -
The HA-1 supports Bluetooth Advanced Audio Distribution Profile (A2DP)
with both the standard and aptX high quality codec. Simply pair your
phone with the HA-1 and set music free wirelessly from your mobile
phone.
Stereo Pre-Amplifier with Home Theater Bypass
- The HA-1 doubles as a high fidelity stereo pre-amplifier with both
RCA and XLR output ports. A special Home Theater Bypass mode can be
assigned to any input source, making it very easy to integrate the HA-1
as a stereo pre-amplifier into a home theater sound system. Trigger InputOutput
The HA-1 features 12V trigger input and output. When used as a stereo
pre-amplifier, the trigger output can turn on your power amplifiers
automatically when the HA-1 is turned on. You can also turn on the HA-1
automatically by connecting its trigger input to the trigger output of a
source device or a surround sound processor. Remote ControlApp
The HA-1 comes with a remote control that provides volume control,
direct source selection and even playback control for digital audio
sources. A remote control app is available for both Apple's iPhone and
Android-based smartphones. The app works over Bluetooth and offers the
same functionality as the physical remote control. Adjustable Gain SettingThe
headphone power amplifier has an adjustable gain setting. For optimal
sound quality and to best match your headphones' sensitivity, you can
choose between Normal and High for the Headphone Gain setting. Build QualityThe HA-1 is
housed in a brushed aluminum chassis. The Class A amplifier naturally
consumesmore power and generate more heat than other types of
amplifiers, so the HA-1 is designed with ample ventilation and built
with the finest components to ensure long term stability and
performance. Tipping the scale at 13 lbs, the HA-1 is a solidly built
desktop headphone amplifier.
Casti OPPO PM-1 Castigatoarele titlului Cele Mai Bune Casti premiate de EISA 2014-2015
PM-1 Casti Magnetice Plane
Tehnologie Magnetica Plana Proprietara Oppo
Mod de Viata, Sunet Natural
Sensibilitate Inalta si Scalabilitate
Garnituri speciale, masa redusa pentru extra-confort

Oppo PM-1 casti magnetice plane ofera un mod de gandire diferit despre acest tip de tehnologie
Castile PM-1 sunt caracterizate de o relatie stransa intre un sunet
natural, dinamic, confort si masa redusa. Ele sunt rezultatul mai multor
ani de cercetare si dezvoltare ale unei echipe de ingineri pasionati de
audio-acustica, oameni de stiinta in chimie si stiinta materialelor si
audiofili. Tehnologia este definita de o gama larga de solutii
inovatoare care ofera performante exceptionale.
Avantajele tehnologiei magnetice plane se bazeaza pe faptul ca
intr-un driver plan sunetul este generat de o diafragma foarte subtire
si usoara sunetul fiind deasemenea condus in intreaga suprafata radiant
in mod egal. Sunetul intra in ureche ca o unda plana numit ERP (ear
reference pointpunct de referinta al urechii) cu toate componentele
spectrului fazate. Un driver dinamic tip al unei casti normale este
caracterizat de diferente de faza si neregularitati si deci de coerenta
din pricina varfurilor si a impulsurilor sonore foarte scurte. Un driver
magnetic plan are si avantajul unei impedante pur rezistive. Acesta are
un model conductiv plat fara nicio componenta inductiva care elimina
inductanta legata de distorsiunile IM comune castilor dinamice. O
incarcare rezistiva asigura deasemenea ca orice amplificator va induce
in casti un semnal fara schimbari in balanta spectrala.
Oppo integreaza unic mai multe inovatii si metode proprietare
dezvoltate de-a lungul anilor uzitand cele mai recente descoperiri in
tehnologia materialelor si tehnicilor de fabricatie. Rezultatele acestor
cercetari s-au concentrat pe eliminarea problemelor care afecteaza
adesea castile magnetice plane si anume, sensibilitatea scazuta, masa
mare, stabilitatea scazuta a diafragmei si fiabilitatea si astfel a
creat o tehnologie noua in domeniu. Castile magnetice plane Oppo
utilizeaza un magnet FEM optimizat cu magneti de inalta energie din
Neodymium. O mare diafragma plana ovala este pozitionata intr-un camp
magnetic uniform. Diafragma este constituita din conductori plati
organizati ca o spirala pe ambele parti ale unui film subtire de
polimer. Sistemul magnetic si modul de aranjare al conductorului sunt
optimizate pentru o putere maxima de conducere ceea ce se reflecta in
sensibilitate iar forta aplicata pe suprafata radianta ofera coerenta.
Diafragma este formata din 7 straturi extrem de fine fiecare avand
importanta sa in performanta, fiabilitate, longevitate.
Avantajele tehnologiei Oppo legate de castile magnetice plane constau
intr-un sunet deschis, transparent, extrem de dinamiccu tonuri foarte
echilibrate si distorsiuni foarte mici avand un sunet aparte pentru
fiecare tip de muzica si dand nastere unui inalt nivel emotional.
Imbinand clasicul cu hightech-ul PM-1 arata la fel de bine la caldura
caminului cat si in miscare combinate cu un dispozitiv mobil de inalta
rezolutie.

Denumiri similare la Casti OPPO PM-1: PM 1, PM1
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