Angebote zu "Impedance" (16 Treffer)

eBook Impedance Spectroscopy
106,99 € *
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This book presents a balance of theoretical considerations andpractical problem solving of electrochemical impedancespectroscopy. This book incorporates the results of the last twodecades of research on the theories and applications of impedancespectrosco

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Stand: 16.11.2017
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eBook Impedance Spectroscopy
106,99 € *
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This book presents a balance of theoretical considerations andpractical problem solving of electrochemical impedancespectroscopy. This book incorporates the results of the last twodecades of research on the theories and applications of impedancespectrosco

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Stand: 16.11.2017
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Impedance Spectroscopy - Applications to Electr...
106,99 € *
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This book presents a balance of theoretical considerations and practical problem solving of electrochemical impedance spectroscopy. This book incorporates the results of the last two decades of research on the theories and applications of impedance spectroscopy, including more detailed reviews of the impedance methods applications in industrial colloids, biomedical sensors and devices, and supercapacitive polymeric films. The book covers all of the topics needed to help readers quickly grasp how to apply their knowledge of impedance spectroscopy methods to their own research problems. It also helps the reader identify whether impedance spectroscopy may be an appropriate method for their particular research problem. This includes understanding how to correctly make impedance measurements, interpret the results, compare results with expected previously published results form similar chemical systems, and use correct mathematical formulas to verify the accuracy of the data. Unique features of the book include theoretical considerations for dealing with modeling, equivalent circuits, and equations in the complex domain, review of impedance instrumentation, best measurement methods for particular systems and alerts to potential sources of errors, equations and circuit diagrams for the most widely used impedance models and applications, figures depicting impedance spectra of typical materials and devices, extensive references to the scientific literature for more information on particular topics and current research, and a review of related techniques and impedance spectroscopy modifications. Vadim F. Lvovich is currently a Chief Principal Engineer in the Aerospace and Electronics division of Crane Corporation. He also holds a position as an Associate Professor of Chemical Engineering at Case Western Reserve University. His career has encompassed a number of senior level research and development positions in specialty chemicals, petrochemicals, biomedical devices, sensors, and electronics industries. He has authored over forty major research publications and review chapters, received nine patents, and given thirty major conference presentations.

Anbieter: ciando eBooks
Stand: 07.11.2017
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Phoenix Audio Drs-1
1.154,00 € *
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Following on from the huge success of the DRS-2, 2 – channel microphone pre-amplifier/DI, Phoenix Audio have released the single channel, half rack-width, mono Pre/DI. The DRS-1 Mic-Pre/DI uses our well proven and loved Class A output stage (DSOP-2), but also has our latest breakthrough in transformerless Class A, Discrete Mic Input Technology which gives a ´´valve-like” sound. It also incorporates our high input impedance DI circuitry.Specifications • 1U half rack space unit: With 240V/110V mains voltage input selector switch • Class A (DSOP2) Output specs. Frequency response: 20Hz to 20kHz +- 0.5dB, Maximum Output = +26dBu @ 1kHz, Noise = -90dB @ 20Hz to 20kHz. • Output connections: XLR’s and TSR 1/4? Jack on rear • Phoenix Audio’s unique Class A, transformerless, True balanced Mic input stage. Microphone inputs: XLR’s on Front and Rear Panels • Phoenix Audio’s unique Class A, transformerless, True balanced Mic input stage. Microphone inputs: XLR’s on Front and Rear Panels • Individual Earth Lift: Push-button Switches • Gain Range (Mic input): -30 to -70 in 5dB steps With 10dB more available on the fader. • Gain reduction: -30dB push-button Mic/Line switch (Mic input) • High Input Impedance DI: Mono 1/4? Jack on front panel • Gain Meter: LED Metering. (Green = 0dB, Red= +8dB, corresponding to ´´4” and ´´6” on a PPM Meter). • Phantom Power: Switchable phantom on Push-button Switche • High Pass Filter: on Push-button Switch • Phase Reverse: on Push-button Switch • Frequency Response Mic Input Stage: -0.4dB @ 40Hz, -0.3dB @ 25kHz • Frequency Response: DI Input Stage: -0.3dB @ 40Hz, – 0.5dB @ 25kHz • Typical Headroom: +24dB on Mic-Pre stage • DI Stage gain: Maximum of 20dB • All units are wired with PTFE silver military grade cable

Anbieter: Woodbrass.com
Stand: 01.11.2017
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Phoenix Audio Drsq4m-mkii
1.454,00 € *
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The DRS-Q4M mk2 is a 4 Band Gyratory-based Eq with 11 selectable frequencies, and Mic, Line, and DI inputs. We know you will be as pleased with it’s sonic qualities as we are. The DRS-Q4M mk2 has the advantages of more than 25 years experience in audio engineering, today’s component and manufacturing technology, but still retaining ´´that sound” uniquely achievable through Class A design. Phoenix Audio is dedicated to the development of Class A discrete technology used within high build-quality equipment. The DRS-Q4M mk2 uses our well proven and loved Class A output stage (DSOP-2) coupled with our custom wound output transformer, but also has our latest breakthrough in transformerless Class A, Discrete, truly-balanced Mic Input Technology which gives a ´´valve-like” sound. It also incorporates our high input impedance DI circuitry.The Gyrator EQ circuit was designed around 40 years ago and was originally designed to emulate the characteristics of a coil or inductor EQ circuit without the issues that they can cause, the result is that our EQ circuit found in the DRSQ4M mk2 is a very powerful but musical EQ perfect for sculpting or crafting vocals, drums or instruments etc whilst still being able to be used on mix bus duties.Specifications • 1U half rack space unit: With 240V/110V mains voltage input selector switch • Class A (DSOP-2) Output specs. Frequency response: 20Hz to 20kHz +- 0.5dB, • Maximum Output Level: +26dBu @ 1kHz • Noise: -90dB @ 20Hz to 20kHz. • Output connections: XLR and TSR 1/4? Jack on rear • Phoenix Audio’s unique Class A, transformer-less, True balanced Mic input stage. • Phoenix Audio’s custom wound output transformer. • Microphone/Line input: XLR on Rear Panel • DI inputs: ¼” TSR Jack on Front Panel • Individual Earth Lift: Push-button Switches • Gain Range (Mic input): -30 to -70 in 5dB steps With 10dB more available on the fader. • Gain reduction: -30dB push-button Mic/Line switch (Mic input) • High Input Impedance DI: Mono 1/4? Jack on front panel (no FETs) • Gain Meter: LED Metering. (Green = 0dB, Yellow = +8dB, corresponding to ´´4” and ´´6” on a PPM Meter). • Phantom Power: Switchable phantom on Push-button Switch • High Pass Filter: Roll-off starts at 120Hz @ 12dB per Octave. • Phase Reverse: on Push-button Switch • Frequency Response Mic Input Stage: -0.4dB @ 40Hz, -0.3dB @ 25kHz • Frequency Response: DI Input Stage: -0.3dB @ 40Hz, – 0.5dB @ 25kHz • Typical Headroom: +24dB on Mic-Pre stage • Gyratory-based EQ Frequency Centres: (4 Bands) High – 15K, 10K, Hi Mid – 6K, 3K, 1K6, Low Mid – 800Hz, 400Hz, 200Hz, Low – 130Hz, 80Hz, 40Hz • EQ Cut/Boost Levels: 16dB Cut/Boost Per Band • EQ is stepped/dentented to 21 positions for easy recall settings • DI Stage gain: Maximum of 20dB • All units are wired with PTFE silver military grade cable

Anbieter: Woodbrass.com
Stand: 01.11.2017
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Phoenix Audio Drsq4-mkii
2.395,00 € *
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The DRS-Q4 mk2 is a 4 Band Gyratory-based Eq with 11 selectable frequencies, and Mic, Line, and DI inputs. We know you will be as pleased with it’s sonic qualities as we are. The DRS-Q4 mk2 has the advantages of more than 25 years experience in audio engineering, today’s component and manufacturing technology, but still retaining ´´that sound” uniquely achievable through Class A design. Phoenix Audio is dedicated to the development of Class A discrete technology used within high build-quality equipment.The DRS-Q4 mk2 uses our well proven and loved Class A output stage (DSOP-2) coupled with our custom wound output transformer, but also has our latest breakthrough in transformerless Class A, Discrete, truly-balanced Mic Input Technology which gives a ´´valve-like” sound. It also incorporates our high input impedance DI circuitry.The Gyrator EQ circuit was designed around 40 years ago and was originally designed to emulate the characteristics of a coil or inductor EQ circuit without the issues that they can cause, the result is that our EQ circuit found in the DRSQ4M mk2 is a very powerful but musical EQ perfect for sculpting or crafting vocals, drums or instruments etc whilst still being able to be used on mix bus duties.Specifications • 1U unit: With 240V/110V mains voltage input selector switch • Class A (DSOP-2) Output specs. Frequency response: 20Hz to 20kHz +- 0.5dB, • Maximum Output Level: +26dBu @ 1kHz • Noise: -90dB @ 20Hz to 20kHz. • Output connections: XLR and TSR 1/4? Jack on rear • Phoenix Audio’s unique Class A, transformer-less, True balanced Mic input stage. • Phoenix Audio’s custom wound output transformer. • Microphone/Line input: XLR on Rear Panel • DI inputs: ¼” TSR Jack on Front Panel • Individual Earth Lift: Push-button Switches • Gain Range (Mic input): -30 to -70 in 5dB steps With 10dB more available on the fader. • Gain reduction: -30dB push-button Mic/Line switch (Mic input) • High Input Impedance DI: Mono 1/4? Jack on front panel (no FETs) • Gain Meter: LED Metering. (Green = 0dB, Yellow = +8dB, corresponding to ´´4” and ´´6” on a PPM Meter). • Phantom Power: Switchable phantom on Push-button Switch • High Pass Filter: Roll-off starts at 120Hz @ 12dB per Octave. • Phase Reverse: on Push-button Switch • Frequency Response Mic Input Stage: -0.4dB @ 40Hz, -0.3dB @ 25kHz • Frequency Response: DI Input Stage: -0.3dB @ 40Hz, – 0.5dB @ 25kHz • Typical Headroom: +24dB on Mic-Pre stage • Gyratory-based EQ Frequency Centres: (4 Bands) High – 15K, 10K, Hi Mid – 6K, 3K, 1K6, Low Mid – 800Hz, 400Hz, 200Hz, Low – 130Hz, 80Hz, 40Hz • EQ Cut/Boost Levels: 16dB Cut/Boost Per Band with fully detented pots in 21 positions • DI Stage gain: Maximum of 20dB • All units are wired with PTFE silver military grade cable

Anbieter: Woodbrass.com
Stand: 01.11.2017
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Trident Audio Trid-80b
2.134,00 € *
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The Series 80B rack unit is derived from the legendary Series 80 Consoles designed by Trident Studios in the late 1970´s. It incorporates an exact replica of the mic preamp and equaliser design that gave the original console its unique sound. These consoles have been used to record just about every major artist in the past three decades, including Elton John, Dire Straits, David Bowie, Rod Stewart and Stevie Wonder to name but a few. More recently they have been used to record artists such as Radiohead and Pavarotti.The Trident Audio Developments Series 80B rack unit therefore brings with it a historic pedigree and is offered at a price that is now affordable to the smaller studios and home recordists.Specifications:- Input Impedance:Microphone: 1.2k ohm transformer balancedLine: 15k ohm electronically balanced- Output Impedance: - Gain:Microphone: -15dB to +60dBLine: -15dB to +10dB- Noise:Microphone: Line: - Maximum Levels:Mic Input: +24dBu at all frequenciesLine Input: +24dBu at all frequencies- Distortion:Mic Input: Line Input: - Frequency Response:Mic Input: ±1dB 20Hz to 20kHzLine Input ±1dB 20Hz to 20kHz- Nominal Operating Level: +4dBu- Peak LED Threshold: +10dBu

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Stand: 06.09.2017
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Radial Tonebone Loopbone
368,00 €
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318,00 € *
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Master control for pedal boards Two separate effects loops plus SlingShot™ remote Exclusive Drag™ control pickup load correction Built-in VariBoost™ variable gain power boost circuit Class-A circuit for highest quality audio Take control of your pedalboard! The Loopbone is a compact, easy to use switcher that allows the guitar player to insert, remove and combine two effect pedal chains with footswitch ease. This is particularly advantageous when using older pedals that can add noise and load problems while in the signal chain. As well, the Loopbone incorporates Radial´s superb VariBoost™ variable gain power booster for a clean signal increase or as post-effects boost for soloing. To ensure the natural tone of your instrument is maintained, no signal degrading op-amps or chips are used – only 100% discreet components and our highly acclaimed Class-A circuit, which combine to achieve Radial´s trademark transparency and exceptional dynamics. The Loopbone also features Radial´s unique Drag™ control pickup load correction circuit that allows the restoration of a proper ´amplifier´ impedance load which is lost when you plug a guitar into effect pedals or other buffered devices. In addition, the Loopbone brings even more to your pedalboard – a separate ´always-on´ tuner out circuit that allows ´on-the-fly´ tuning without adding noise or load and perhaps the most innovative feature of all, Slingshot™ remote switching. Slingshot allows switching of amp channels or other features, even other devices such as the Radial Headbone or Cabbone switchers, from the Loopbone. Check out ´The Power of Slingshot´ for details. The Radial Loopbone combines several innovative features into one rugged, compact unit that easily fits on a pedalboard. Controls and switches have been optimized for maximum flexibility and ease of use while eliminating unnecessary clutter on stage. Once you´ve added a Loopbone to your rig, you will truly appreciate it´s size, versatility and attention to detail. For example: the opto-coupler switching that brings in and out each FX loop without annoying pops or clicks like other switchers and the recessing of the boost gain and Drag™ controls that prevents the accidental ´bumping´ of your optimal settings. For quick tune-ups, Loopbone´s always-on tuner output is buffered to stay out of the signal path so it does not affect tone in any way.

Anbieter: Woodbrass.com
Stand: 07.12.2017
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Rme Babyface Pro
755,00 €
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676,00 € *
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The exciting new Babyface Pro once again demonstrates RME’s absolute commitment to superior craftsmanship, not only in audio circuits and driver development, but also in mechanics.Created with the highest precision from a block of aluminum, this high-end yet portable interface incorporates newly designed analog and digital circuits. Its innovative energy saving technologies provide supreme fidelity with no compromises in level, noise or distortion.Professional FeaturesStraight to the core without interference: the reference design of the Babyface Pro leaves nothing to be desired.RME devices are designed to conserve music as it is. Audio signals are passed in their entirety, nothing added, nothing taken. For the new Babyface, the audio circuits have been improved to meet even highest gain levels with best dynamic range.The clever user interface is informative and clearly laid out. It makes access to every feature and configuration mode of the Babyface Pro intuitive and easy to use.Even in stand-alone mode, routing and mixing of inputs to outputs directly on the device opens a whole world of possible applications.Connectivity- 12 Input and 12 Output channels- 4 x Analog Inputs (Mic, Line, Instrument)- 4 x Analog Outputs (2 x XLR, 2 x Phones)- 1 x ADAT I/O or 1 x SPDIF I/O optical- 1 x MIDI I/O- 1 x USB 2.0 (USB 3 compatible)- Digital Gain control on all inputs- Separate outputs for high and low impedance headphonesProgressive InterfaceFor the main I/O RME have designed a completely new XLR socket, which integrates seamlessly into the housing and saves space. The two headphone outputs, offering TRS and mini-jack sockets in parallel, have completely separate driver stages to perfectly match low and high impedance headphones, guaranteeing pristine sonic results no matter what type of headphone is used.Two digitally controlled preamps provide individually switchable 48V ‘phantom power. These brand new circuits feature gain of up to 70 dB, adjustable in steps of 3 dB, plus a relay-driven PAD, resulting in exceptional EIN (Equivalent Input Noise) performance as well as line overload protection, and enough gain for even the lowest level microphones.Babyface Pro’s incredibly efficient design almost never requires an external power supply – it’s perfectly stable on USB 3 bus power, and also most USB 2 ports, with no degradation in any technical specification. This makes it perfect for mobile recording, even with a pair of your favourite condenser microphones.The comprehensive feature set continues with an optical TOSLINK I/O; use as either an ADAT port with SMUX support or SPDIF for sessions up to 192 kHz. In combination with an external ADAT converter, the Babyface Pro fully supports 12 analog inputs as well as 12 outputs, making it ideal for both live and studio multi-track applications. You can plug any instrument, line or high impedance, into Babyface Pro’s jack inputs 3 & 4. Record your guitar on the go, with no additional hardware required. MIDI I/O via an included breakout cable completes the package.

Anbieter: Woodbrass.com
Stand: 07.12.2017
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Phonon 4000-sl
287,00 €
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285,00 € *
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Now carry with you the pure sound of the SMB-02, which has been highly praised in the professional audio world, with our newest mobile headphone, the Phonon 4000.Foldable and compact, the 4000 are the perfect mobile headphones for enjoying music as well as monitoring while in the DJ booth.Despite its portable size, the 4000 uses the same 40mm driver as the SMB-02 embodying the unique precision tuning expertise only offered through Phonon.Our in-house sound master is known for his golden ear, through which he tunes headphones in such a way that incorporates his own proprietary tuning materials and techniques.While this can be a costly process to most large manufacturers, Phonon’s mission is to be uncompromising in the pursuit of sound quality.With unprecedented space definition and sense of speed which characterizes Phonon, the 4000 delivers powerful sound experience in a new convenient form.Characteristics:- Sound tuning by a mastering engineer- foldable perfect to carry- Large 40mm driver- Comes with an original pouch bagSpecifications:- Type: enclosed dynamic headphones- Driver: Φ40mm- Playback frequency range: 20〜22;000Hz- Maximum output sound level: 500mW- Impedance: 46Ω- Weight (including cable): 255g- Plug: φ3.5㎜ old-plated screw-type stereo 2 way plug- Cable length (wiring): 1.5m (4 wires-type L/R independent ground wire connection)

Anbieter: Woodbrass.com
Stand: 27.11.2017
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