Transient Design

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Transient Design last won the day on February 18

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  1. Så i praktiken är detta ett fullt balanserat försteg! Skulle vara intressant att jämföra det ljudmässigt med några mycket dyrare konkurrenter... Nu vill jag bara se mono-block typ typ 12W i samma format så är jag nöjd! :-) Fast iFi hävdar att det inte finns intresse för något sådant. Håller ni med?
  2. Som jag brukar säga: Vi köper ljud med ögonen... :-)
  3. Jag har dessvärre inte någon direkt kontakt med AirTight men min erfarenhet av avmagnetisering är att man använder en signal som "klingar av" dvs startar starkt och sedan minskar i nivå till noll. Detta för att få hysteresisen tillbaka till noll igen. Jag sålde en Gryphon produkt som hette Exorsist för många år sedan som gjorde nåt liknande. Minns inte exakt men tror det tog max 10 sekunder för den att köra sin lilla snutt innan den vad klar. Tror det var Van den Hul som var helt emot detta? Om det var för att det kunde skada pickupen (man ska ju normalt aldrig sända ström in i en pickup då det är extremt tunna trådar som lätt skadas) eller om han ansåg att det försämrade ljudet vet jag inte. Men om minnet från 20 år tillbaka vill mig väl så tyckte jag då att min gamla Goldring då lät klart öppnare och klarare efteråt. Så visst finns det säkert en poäng i det om man gör det säkert. Men hur ofta det bör göras har jag inget bra svar på. Tycke och smak? Beror säkert extremt mycket på vilken pickup man har och hur känslig den är.
  4. Den visar normalt en bild med denna info:
  5. The ZEN CAN’s circuitry utilises many discrete, high-grade surface-mounted components to maximise sonic purity, such as TDK C0G and Panasonic ECPU capacitors, and ultra-low-distortion thin-film resistors. iFi’s custom OV4627 quad-amp stage features four independent FET op-amps using a ‘folded cascode’ design, with low-impedance feedback circuitry to optimise performance. A further custom op-amp is used for the input stage, which features automatic level matching and feeds a TOCOS precision potentiometer, while the fully discrete, balanced, complementary bipolar output stage utilises the same Class A buffer found in the Pro iCAN. The power supply circuitry includes ‘stealth mode’ voltage conversion, again derived from the Pro iCAN, with linear regulation, noise filtering, physical isolation from sensitive audio circuits and 4,000uF capacitance to keep ample power in reserve to respond to musical transients. Even the way the ZEN CAN switches between settings has been engineered to ensure sonic transparency. FET-based switching is handled by a microcontroller, which only ‘wakes up’ when the user changes a setting, thus eradicating any sonically deleterious interference. All this painstaking attention to detail would be impressive in a high-end headphone amp; that fact that iFi has succeeded in implementing such high-quality circuitry in one retailing at just £149 (US$149, €165) is nothing short of remarkable. Rich detail, engaging dynamics and the ability to drive all manner of headphones with ease – the ZEN CAN further extends the reputation of iFi’s ZEN Series for delivering exceptional sound at entry-level prices.
  6. The ZEN CAN’s circuitry is a balanced, symmetrical dual-mono design – a topology usually reserved for high-end headphone amps. Balanced circuits have long been championed by renowned high-end audio electronics engineer John Curl, now a technical consultant for iFi, given their ability to reduce noise within the signal path. Curl has worked closely with iFi’s in-house technical team, headed by Thorsten Loesch, to produce an analogue circuit of exceptional quality for a device of this kind. A number of key elements have trickled down from the discrete Class A circuitry developed for iFi’s flagship headphone amplifier, the Pro iCAN, which at £1,799 is 12 times the price of the ZEN CAN. It offers prodigious drive capability for such a modestly priced headphone amp, delivering 1600mW (7.2V) into 32 ohms from the single-ended output, with 15V+ available to loads of 300 ohms or more through the balanced output, ensuring the ZEN DAC takes even current-hungry planar headphones in its stride.
  7. Around the back, the ZEN CAN offers stereo RCA and 3.5mm single-ended inputs, plus a balanced 4.4mm Pentaconn input. A 4.4mm balanced output is also provided, to connect to power amps and active speakers equipped with a balanced input – either a Pentaconn 4.4mm input, or XLR inputs via a 4.4mm-to-XLR cable. This balanced output can also be used for single-ended connection if no balanced input is available. All the ZEN CAN’s inputs and outputs are gold plated for optimal conductivity.
  8. To the right are a pair of headphone outputs – a 6.3mm output for headphones that have a standard single-ended connector (compatible with all headphones) and a 4.4 Pentaconn balanced output for headphones offering balanced connection. An increasing number of high-quality headphones and in-ear monitors either come so equipped or give the option of detaching the cable and upgrading to a 4.4mm Pentaconn connector, and this output makes the most of them (it is particularly recommended for high-impedance headphones). Next to the headphone sockets is a button to engage the latest versions of iFi’s ‘XBass’ and ‘3D’ sonic tailoring options for headphones. XBass adjusts frequency response to enhance low frequency performance – particularly useful with open-back headphones that ‘leak’ deep bass. 3D compensates for the ‘in-head localisation’ effect that often occurs when using headphones to listen to music that was mixed using a pair of speakers, effectively widening the headphone soundstage to deliver a more speaker-like experience. Both XBass and 3D engage purely analogue processing and may be bypassed entirely if preferred.
  9. Making the most of all kinds of cans In common with the other ZEN Series products, the ZEN CAN sports a sturdy, smartly finished aluminium enclosure, neatly sized at 158x35x100mm (WxHxD). In the centre of the front panel is a smooth-acting rotary volume control, flanked by a range of sockets and buttons. On the left, beside the power button and input switch, resides a control for selecting the appropriate gain. Four settings in six dB steps – 0dB, 6dB, 12dB and 18db – enable the amp to precisely suit the connected headphones; unity gain (0dB) is useful to ensure low noise with sensitive in-ear monitors, while the higher gain settings make the most of tougher headphone loads, delivering excellent dynamic headroom.
  10. Is it possible to make an analogue headphone amp that delivers high-end performance with all manner of headphones and bring it to every music lover at 1790 SEK? If anyone can, iFi CAN! Southport, England – In just a few short months, iFi’s first ZEN Series products – the ZEN Blue and ZEN DAC – have established themselves as undisputed champs in the sub-£200 desktop DAC category, making high-performance audio more accessible than ever. Now, iFi expands this award-winning range with the ZEN CAN – an all-analogue headphone amplifier in the same compact aluminium chassis and offering the same exceptional value-for-money. With an RRP of just €165, the ZEN CAN sports many features usually reserved for high-end headphone amps at many times the price. The ability to drive tough headphone loads, the balanced circuit design, the vanishingly low levels of distortion and versatile sonic tailoring options to optimise performance are all highly unusual at such an eminently affordable price tag. By combining them in one package, iFi is once again pushing the envelope of affordable desktop audio. As an all-analogue headphone amp, the ZEN CAN has no digital input of any kind, USB or otherwise. It connects to any audio source with an analogue output, such as the headphone output from a DAP (Digital Audio Player), a laptop, a tablet or a smartphone, or the RCA outputs from, say, a CD player or phono stage. It could be paired with the ZEN Blue to add Bluetooth reception, or combined with the ZEN DAC to upgrade the DAC’s headphone amp stage. As well as a headphone amp, it can double as a preamp to feed a power amp and speakers or a pair of active speakers.
  11. The ZEN CAN has trickle-down Class A discrete balanced circuitry from iFi audio’s flagship Pro iCAN. With 15.1v @300 Ohms on tap, it has serious power that will make even difficult-to-drive headphones thump to the beat. Class A discrete output buffer from the flagship Pro iCAN FET input avoids loading volume control – low distortion/noise Low impedance feedback circuit enhances circuit performance with no resistor noise Output amplifier gain of four steps in +6dB perfect for headphone matching
  12. Nu kommer tredje enheten från iFi´s Zen serie: Zen CAN med 1600mW effekt med balanserad utgång 1790kr till kund med "standard" nätdel (läs billigast tänkbara) De 1000 st första kommer att packas med en iFi Audio iPower nätdel och kostar då 1990kr. De första 50 st kommer till Sverige om en vecka.
  13. Frequency Response 15-50,000 Output Balance 0.5dB/1KHz Channel Separation 30dB/1KHz Tracking Weight 2 g Trackability 70μm/2g Dynamic Compliance 10 x 10(-6) cm/dyne (100Hz) Estimated at 17 x 10(-6)cm/ dyne at 10Hz Cartridge Weight 10,5 g
  14. Coil Impedance 6 Ω Output 0.4mv Coil Wire Material Load Impedance > 60 Ω
  15. Moving coil generator The rare earth samarium/cobalt magnet material selected for the HANA- Umami Red generator offers the best electro-magnetic energy, a requirement for this very musical design. Pure copper wires are expertly hand-wound onto the classic square plate Permalloy armature. Cryogenic processing This ‘cold annealing’ process at near absolute zero temperature is used to treat many of the components in the HANA-Umami Red generator as well as the gold-plated signal output pins. The cryogenic process alters the molecular structure of the materials, producing a transformative quality similar to molecular gastronomy.