use a cable gland so eliminating one socket. (pdf) datasheet on neutrik 8 pole speakon plugs here. your local CB shop or Maplins) observing polarity of course and off you ways: It behaves as a 'built in' filter and stores quite a lot of energy They also have an impedance of <3mohm but accept large diameter cable The best available by a mile are the discreet ALW Currently use 22,000uf the 12/24V being the one to go for. (magnetic and capacitative) as toroidal types - special techniques required Bear in mind the pins The charger boards have an on-board current limit (designed for charging Snaic In the event of a claim, please contact Peter Tyson in the first instance. These allow a lot less ultrasonic grunge 3 core ALW power umbilical (see below) and earth everything to a bus bar core disadvantages..?? resistors and without is clearly to be heard and positive but not huge. However between the -ve terminals of the reservoir caps. In the case of the NAC 282 preamplifier a second HiCap may be used, bringing further improvements. on these parts. sikorel though physically huge and extremely expensive.. RECTIFIERS the ultra preamp build notes on the preamp page) so have 2 as a minimum. The superregs have both ground and output remote sensing facilities. end and reseal with heatshrink tubing to allow the wires to go through for reference its here below: Once you know what to look for however, its not difficult to make a better In the hicap Naim use a twin winding, centertapped toroid giving around See product pages. This is how naim used to The farnell p.no. The competing offer must be on brand new boxed items and in stock from another UK Online Authorised Retailer. audio mount the rectifiers directly on the reservoir caps with a pcb. We or our suppliers do not include any form of insurance terms such as accidental damage or loan equipment cover. Earthing: These are by far the most critical in PSUs IMO. as regards the Julian Vereker comments above, keep impedance low by using Then take the power for the options: Things you need to know about the new Conversations PM system: So there are 2 rectifiers in a hiCap? PayPal Credit is a trading name of PayPal (Europe) S..r.l. 2 years on Soundbars. Get and unless you know how to specify a custom one you'll probably get nothing D45H11 1) Use 8 pole neutrik plugs and sockets and an 8 core umibilical cord. the parts list and costing here. 1) I recommend avoiding toroids completely and going instead for R core, which have had good reviews are the Avondale tracking regulators and the I would therefore solder the umbilical cord from the psu directly and In practice I have found seperate good quality. The psus take 1.5mm cable max. They embody all that's so right when it comes to the reproduction Extend periods offered on certain models. Laminated, Not tried them personally but a report is they have This also applies to goods delivered to shipping companies. The secret of operation of this simple device is not that the digital a low level and detectable only by scope. circuits need sophisticated power (there are internal regs in the pre-amps 5 year on Rcube and full size separates. Experiment: do it with grey powersnaics also. My advice is to get a C-core from avondale or R-core from Warranty periods vary across the range form 1 year to 5 year. and equipment i.e supercap to nac52, 500psu to Nap500 etc . preference is to use the Neutrik 4 and 8 pole sockets/plugs for psu umbilicals. The bridges are designed to work and ALW 3 core powerlead on a CD3.5 with red heatshrink. copper wire will have an impedance of around 7mohms and a good reservoir to 20A, 200V. is basically the raw dc psu (see above for all details) but with 2 superregs possible again I would use the Mr Tibbs earthing mod (no1 above) as well within the pre to the required voltages. a 9.95 device and the NAPSC which costs 'ever so slightly more'. If you're 2 year standard. 5 year on Speakers. MBR CAPS as the rerouting signal path mod (no2 above) and thus a 4 core ALW power However it allows you to use big superregulators. low impedance to ground. This will still sound damn good. sample farnell parts list here. is cost. is set with a pot - I'd remove it and fit fixed R's to give the correct Sign up for newsletter today. A The HiCap was updated in 2012 as a result of a two year project to develop a new discrete regulator (DR) for Naim power supplies. regulators e.g LM317, LT1086, LT317. In the event of a claim, Peter Tyson provides and administers the extra cover. POWERMains Supply 100V, 115V, 230V; 50 or 60Hz, PHYSICALDimensions 87 x 207 x 314mm (H x W x D), FINISHFront Bead blasted and black anodisedCase Black powder coated. Again Maplins: Lkg sealed lead-acid chargers) but this can be disabled easily if you want If you are a fool to yourself and want to do things totally standard naim over a wider bandwidth. to sound quality, giving a bolder, more vibrant and solid presention with So anything you can look for? The Naim earthing scheme as seen on the hicap (fig 1) is NOT optimal and Kendeils from Avondale which are a tad cleaner though lighter than the This However remote sensing can make the regs unstable (if its bad, you'll Don't forget to earth the metal enclosure, you'll have a unit that looks although significant, low impedance is not critical to good regulator see These improvements, developed through intensive listening tests, significantly raise performance and make music even more communicative and enjoyable. even 6 inches of wiring. better power: weight ratio (cost benefits). The addition of anti-vibration, resonance-controlling feet complement the elegant new cast and extruded anti-magnetic chassis to protect the sensitive internal components from resonance and microphonic vibration. couple of points to bear in mind are also: Low Who knows though. Inclusion of a HiCap offers the additional benefit of allowing the preamplifier to be left switched on constantly, independently of the power amplifier, keeping the complex circuitry of the unit fully stabilised at all times. The absolute Use 1.5 -2cm diameter heatshrink. Night and days stuff. so you will have to strip back 10cm or so of the outer sleeving at each Subsequent to a Guarantee/Warranty claim, goods can only be re-delivered to a UK address. Change any toroidal transformer in any amplifier/pre-amp for an equivalent Essentially they consist of transformer, reservoir caps, rectifiers and the transformer right can be a pit for the unwary. 20200CT datasheet here The same cannot be said of LM317s etc. I use 2.5mm2 stuff from maplins but probably anything has a star earth bus bar type arrangement between the 2 reservoir caps I still like the 'darker' presentation of the BHCs though. and I surmise this is because it avoids diodes in the ground line so giving low gauge hookup wire. The Snaps This will be indicated on our website and will be confirmed with your sales confirmation receipt or sales invoice. cables for psu power umbilicals: Also the pins are molded in the sockets means its easy to screw in the cables into each pin socket to fix them impedance secondaries, low core saturation, low capacitative coupling. 5mOhms impedance, apart from how to manufacture, include the fact that the core is more impedance- connectors: Again regarding the Vereker Toroids 5 or 10 year optional on selected products. Sign up for exclusive news & updates from Naim. stick with around 15,000 a side for a hicap type transformer. An alternative Power-Line Lite mains cable (UK denominations only). Alternatively, you can make the goods available for collection at a UK address. one for a fraction of the cost of a naim psu. The HiCap was updated in 2012 as a result of a two year project to develop a new discrete regulator (DR) for Naim power supplies. basically a PCB containing toroid / rec / smoothng + an LM317K with heatsink very good in pre-amp supplies. I have found reservoir caps and the rectifiers to be of to. Peter Tyson acts as a broker and offers credit from PayPal Credit. makes for low external field (low interference) and higher efficiency The diodes earthing right. Naim amps route the signal from poweramp to preamp Also My SNAPs project is turning into a disaster as the transformer is probably to "small" for the standard TeddyRegs. Anyone know what the rectifier specs are and where one might acquire such rectifiers? (NB: 1 year warranty on bulbs). Probably also why they are Avondale APX boards. The audible benefits of adding a HiCap are fundamental to the music: improving timing, dynamic range, clarity and order. supply that feeds 18V to the preamp which is then internally regulated from the speakers and your poweramp will get hot) but it may also be at to achieve wideband coupling. with ALW superregs. or 4 core wire. impedance- wiring: low impedance is critical and for signal transmission low capacitance. comments, its worth noting that your DIN sockets have approx. around 500VA. (excel spreadsheet) If you've seen a better offer for this product, we will endeavour to match or better it. two 0V terminal of the reservoir caps as Naim do. Twisting the wires together is another possiblity. these require a special insertion tool to One for each of the 28VAC outputs from the transformer? 8 pole speakon interconnect with 8 core interconnect (6 rails plus 2 grounds) to mount and theres no great gulf between them. signal goes from pre straight to poweramp Walt Jung orginal articles see see Low I've had bad instability with Converse is that frame-type power transformers want at least 2 centertapped windings. Alternatives only using remote sense with onboard regulators where the power and sense For more information read our Privacy Policy, 'Despite a history that goes back ten years, the SuperLine is still the companys best phono stage', "the pairing of SUPERNAIT and HiCap was a pleasure to audition", A technical white paper on the Naim Audio Discrete Regulator technology is available here, All-new Discrete Regulator (DR) configuration, delivering Naim Audios best-ever standards of stable, low-noise power, Bead-blasted, black-anodised aluminium chassis plus anti-vibration, resonance controlling feet. not via the preamp psu and incorporates the Mr Tibbs earthing mod Price match quotations are valid for 7 days. Not heard them personally though. to the dins going to the preamp but requires only minor effort. the gain boards are the most sensitive datasheet on neutrik 8 pole speakon sockets here, get recommended parts page for order numbers etc. 5 year on Speakers. hand has found the capacitance important (hmm?) bits. blown away by a small 160VA twin centertapped R-core from Hi-Fi Tuning. Note also that many valve and signal transformers rely on In the case of the NAC 282 preamplifier a second HiCap may be used, bringing further improvements. as hysteresis effects. 3) Beyond The Noise Power for Analog Circuits (ED Analog Special 6 23 1997) . 2 year standard. To PayPal Credit is a trading name of PayPal (Europe) S..r.l. However you must desolder the Ultra-low noise preamplifier and electronic crossover power supply. ). provide greater immunity to HF line noise than toroids, so they can be din socket diagram above. http://home.comcast.net/~walt-jung/wsb/PDFs/Improved_PN_Regs.pdf. power which is nice. (lower iron and copper losses). Metalok Bantam series now produced by FCI (formerly Burndy). *PayPal Credit is subject to status. If you want to be traditional you can replace the cable gland with a 5 use these on their high end gear for interconnects between their psus The design can be used to power all of the Naim phono stages, active crossovers and preamplifiers except the NAC 552 and NAC 252. be kept completely seperate and only joined at the star earth in the preamp, These are stunning and will give your One can see the psu routing: If remote sensing I'd also use some form of shielding. The original Walt jung Representative Example: Representative 21.9% APR (variable) Purchase rate 21.9% p.a. as said, doing the earthing correctly makes a huge difference to sound Maybe there 2 year on subs. See the avondale audio site from the mains through as they are quite low bandwidth compared to toroids. So IN the case as opposed to in the preamp similar to the naim hicap. Then use your 5pin hicap snaic i would note that in naim pre's must do. in the center core shielded by the outer braid which carries the power the buid notes here. JavaScript seems to be disabled in your browser. For full details on how your data is shared please review our privacy policy. 5 year on Speakers. I suspect this may be the optimal solution though are actually a bugger to get right . not particularly critical IME. This The board the MR Tibbs earthing mod (no1) above with 2 +ve rails and 2 ground rails. They are available from Farnell, in a couple of flavours, there, I use one of these for the purpose of keeping preamps warm, whilst 5 year on Speakers. Size is these are designed for are MBR20200CT. See below for build details. 10 year on Speakers. From time to time we will add value to certain models by extending the standard period at no additional cost. Rhythm, timing, texture, Keep swaping and evaluating, Interconnects, There are many reasons why this is technically illogical There are big currents involved as the rectifiers switch on and off so and also http://home.comcast.net/~walt-jung/wsb/PDFs/Improved_PN_Regs.pdf. screw terminals. using 4 core cable (to make use of the Mr tibbs earthing mod) you will article illustrates that you can also shield the remote sense lines using just shove more regulators into the case. Huge toroidal transformer and smoothing capacitors provide exceptional dynamic stability. 3 core 1.5mm mains cable available from B&Q. See product pages. My cable glands to take the mains cable in and the DC out + an internal fuse to achieve wideband coupling (bi- and trifilar windings) are much easier see the recommended components and suppliers pages for links and information and also http://home.comcast.net/~walt-jung/wsb/PDFs/Improved_PN_Regs.pdf. components page for farnel numbers. Guarantees/Warranties can only be fulfilled to goods purchased and delivered within the UK. By submitting your contact details, you agree for us to share your details with our retail partners, who will contact you directly to arrange your appointment. see 1 year on Headphones and DACs. to implement winding a bobbin, around which the transformer core is assembled to sound quality. easily saturated by DC components on the mains, due to higher core permeability AD817 rails going from the psu to the preamp. I'd great, is thanks to Andy Weeks, originally posted on the pink fish forum: Left is -ve terminals and everything is grounded there. (over 2.5mm) so you can use very heavy gauge and therefore low impedance Free delivery to most UK regionson orders over 50 (terms & exclusions apply) 30 day returns policyfor added peace of mind (terms apply) Although certain Naim amplifiers provide an adequate power supply for the partnering preamplifier, the use of a separate Naim ultra-low noise power supply brings substantially improved musicality to the whole system. Naim would sound much better. The solution is to route both psu and poweramp The new Naim DR now features, alongside improvements to the transformer mounting, wire gauge, wire routing, mechanical decoupling, internal layout and reservoir capacitors. several toroids and dozens of regulators and reservoir caps to prove the so you need to tin the pins and ends of the wires heavily, then touch Line Skt 2-Way FK22Y 27 1.39 involvement the works. to the star ground in the preamp. Buy with confidence from a high-street retailer. 1 year on headphones. the LM317s in your (DIY) hi-cap, flatcap, snaps etc. 'darker' backgrounds and more instrumental seperation. windings for analogue circuits give a major boost to sound quality (see 3 years on XR series and Signature Range. Use your 4 pin snaic to NAC 282 preamplifier owners can enjoy even better performance by adding an additional, second HiCap to their system. Although certain Naim amplifiers provide an adequate power supply for the partnering preamplifier, the use of a separate Naim ultra-low noise power supply brings substantially improved musicality to the whole system. 2 seperate raw DC feeds to the preamp and forms the basis of your powersupply. Terms and Conditions apply. stuffing You will then have to take 6 positive rails from the 2 reservoir caps this it gets hazy. You can also upgrade caps etc as you see fit, and the output voltage Less core material can be used, leading to slightly I use a core and shield wire for my remote sensing with the remote lines and listening backs this up. - never quite came to terms with them - dry, nasal almost, noisy and somehow If you use 1mm 4 core you can then wire it up for the rectifiers near the reservoir caps. is a small outboard supply that can be used to feed the digital circuits 5 years on Speakers. Classic range 2 year. cables are also too thick to thread into the pin holes in the din sockets A technical white paper on the Naim Audio Discrete Regulator technology is available here. do if you have an external PSU for the preamp. Hifi tuning (see components page). Additional 3 years on parts upon registration within 28 days of purchase. huge 630VA custom toroid from Antrim Transformers, all of which were completely For full terms and FAQs, please visit here. reasons. These improvements, developed through intensive listening tests, significantly raise performance and make music even more communicative and enjoyable. The sound is big, powerful, rounded, blacker than black. 2 years on Subwoofers. started by Yanntoe, Jun 9, 2009. (if you use a nap90/140/150/160/180 etc). For the best experience on our site, be sure to turn on Javascript in your browser. In the case of the NAC 282 preamplifier a second HiCap may be used, bringing further improvements. to cater for that need), just power independent of the audio circuits.' 2 years on Speakers, ONE series and Classic Range. via the pre psu. RESERVOIR Lower total flux and higher external field results; not as tightly-coupled Simply being separate from the amplifier ensures correct earthing and hum-free operation, while the large toroidal transformer and generous high quality smoothing capacitors provide exceptional dynamic stability. +ve line on the din socket within the preamp (see poweramp din socket because off the shelf toroids are useless from an audio point of view See the use those as listed in the components page. 1 year standard. TL 431 so attractive to the modder. The design can be used to power all of the Naim Audio phono stage preamplifier, active crossovers and preamplifiers except the NAC 552 and NAC 252. basically shows how to do it. to sound better, probably because they generally have these low values. page and links generously contributed by Ced Taylor. 3 year standard. I suspect the main reason frame-types are used for valve transformers the schematic here Close coupling of windings project, which is a bit more costly but does the same thing and looks This leads directly to much lower impedance Terms and conditions apply. Particularly complex music becomes both easier to understand and listen to. Possible alternatives are the Avondale APX boards which reportedly (ta For comparison, 1m of 2.5mm2 This is critical and can make a HUGE difference The new Naim DR now features, alongside improvements to the wire routing, mechanical decoupling and internal layout. 2 year standard. Signal these regulators. The main importance in this is to provide low impedance and It provides coherent and musical sound which just sucks you into the music in a wonderful They are the 'gapless' leading to higher permeability (toroidals are still laminated output, to save future unreliability and additional noise. 1 year standard. is probably still maintained for historical reasons. It superregulators based on the design by Walt Jung- see Low See product pages. This is principally see not tried it. There's little room for an IEC inlet in the smaller one so a couple of ALW on the other Please complete the form below and a member of our sales team will respond asap, during business hours. better. In addition you'll need a case, and if you fancy something nice, it can 2 year standard. preamp a huge boost in absolutely everthing. Which pin does what can be Bearing This gives a shorter signal path and keeps power and back of the psu and use 2x 4 core ALW power umbilicals to get the requisite a noticeably more solid and dynamic sound and is just better all round. Gives I've tried various sizes bvseo-msg: HTTP status code of 404 was returned; bvseo-msg: HTTP status code of 404 was returned; HTTP status code of 404 was returned. Free guarantees/warranties provided for TVs, are provided by the Manufacturer/Supplier and are bound by their own individual terms and conditions. These enhancements, developed through intensive listening tests, significantly raise performance and make music even more communicative and enjoyable. raw psu project schematic (project no1 below) for a clear idea of this one that sounds no better than the powerrail off a Naim poweramp- I have and compare to how naim do it in picture of hicap (fig 1 above). Shottkys sound probably the best, but silicon bridges are easiest REGULATORS Customers can register for extended warranty. Rather there should with these gauges from B&Q for example. Essentially the two supplies (+ve AND ground) should The The new Naim Audio DR now features, alongside improvements to the wire routing, mechanical decoupling and internal layout. are purchased directly from ALW audio, see http://www.alw.audio.dsl.pipex.com/, For for themselves and the buffers, tape buffers etc get the other regulator Split-bobbins also good for EHT safety. for the charger (variable) Assumed credit limit 1,200. careful you may be able to fit a single panel-mounted fuseholder, but PCBs direct to the pre. Obviously you can see from here if you want to make a DIY supercap (fig 2 above), 2 year on Subs and Electronic products. connect from preamp direct to poweramp. The socket or the multipin burndy sockets. for low ESR and ESL though. 3 years on registration. Up to 5 year on selected TVs. Much much better is this: The two channels should be kept completely seperate lead. (You must log in or sign up to reply here. Have used normal silicon bridge rectifiers, stacked component, sit back and be amazed.' However The audible benefits of adding a HiCap are fundamental to the music: improving timing, dynamic range, clarity and order. These really are the magic bullet for audio. a different presentation to the ALW superregs though are also good. in mind comments regarding rectifiers above, here core and shield wire with the outer shield connected to the reg ground. It is designed as a pure psu i.e. would probably be: split bobbins, electrostatic shields, extremely low Please complete the form below to arrange an appointment with your chosen retailer. Low Copyright 2022 Trutone Electronics Inc. All Rights Reserved. Please note that any extended guarantees/warranties offered by Peter Tyson are free. Inclusion of a HiCap offers the additional benefit of allowing the preamplifier to be left switched on constantly, independently of the power amplifier, keeping the complex circuitry of the unit fully stabilised at all times. This means DO NOT connect all the grounds to the busbar connecting the The store will not work correctly in the case when cookies are disabled. Both ground wires are then soldered point. Look They are all pretty much of a muchness A.K.A 'E-I' / 'Frame' transformers: Easy to make - the bobbins are wound not at the -ve terminals of the 2 reservoir caps. 5 year on speakers and accessories. If you need further clarification, please contact us. There have been reports this makes a sonic difference 2 normal 5 pin din plugs as per components list and a meter of the flexible, of 3mOhms as opposed to the other pins which are greater. is the pin voltage and channel configuration for the NAC52 burndy. Jonathan Carr of connosieur "C" Replace trick core materials (high-nickel-content) which can be too expensive/too and responsive part of the preamp. (pdf). capable of constricting the sound. so you don't have to fool around with insertion tools etc and they have signal lines seperate. 1 year standard. 2) Make the raw dc supply exactly as above. Get Each of the power outputs on the HiCap use Naim''s specially designed discrete regualtors for optimum performance. Its easy to spend hundreds on making The Naim HiCap sets free the musicality and dynamic range of a hi-fi system, making an incredibly effective upgrade to an audio preamplifier and power amplifier combination. This will require modifying the wiring things into perspective: I've tried several large toroids including a Noise Power for Analog Circuits (ED Analog Special 6 23 1997). You'll then probably want to use an In itself this gives a small difference though keep them near the caps. preamp or for the ultra preamp project (see the preamp page). This extended cover is exactly the same as the manufacturers original guarantee/warranty, where possible using the same official service providers, giving you total peace of mind for the extended period. 37Vdc at the reservoir caps which works out at around 27/28VAC. et Cie, S.C.A., 22-24 Boulevard Royal L-2449, Luxembourg. A compact power supply partner for almost all of our preamplifiers plus our phono stages and active crossover components, its large toroidal transformer and generous, high-quality smoothing capacitors ensure excellent performance and value. bridge rectification. Remote sensing: If Note: Don't bother with monolithic 8 lines into the preamp. are perhaps a tad cleaner but more clinical than silicon bridges IMO. clearly hear this as you move the remote and power lines around as a buzzing in real money), attach the appropriate 2 pin line socket (available from LM329 the business for a fraction of the new price and a piece of piss to build. For the best experience on our site, be sure to turn on Javascript in your browser. These are utterly brilliant and will transform just about anything they and not that great. See simple mods 1 below. subsequently. You can even strip apart 3 core mains cable and only joined at the star earth in the preamp. sort of on your own. holder (which you can attach to the PSU board) will save space. (farnel 427-3035 [53x103x160] or farnel 427-3047 [54x103x220] . 18 - 24 Volts of regulated DC at around 500mA (half an amp is available from maplins: Lkg Line Skt 2-Way FK22Y 27 1.39. for a diagram of this. Apparently In my limited experience these are not too critical as long as they are guide and manual can be downloaded here.
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