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Ne5532 alternative diy
Ne5532 alternative diy. Jan 26, 2018 · Due to unavailable components, and budget, I'd like to replace this burned discrete OPamp with a 5532 or a 5534 if needed. The input signal is the various types of up to 4 inputs. 001% is near the hearing threshold. The power source comes from a 12V AC to DC wall plug, this is why i split supply. Apr 16, 2011 · NE5532 and NJM4580 seem to be the workhorses in audio Using JFET input opamps comes to mind as JFET input opamps offer some other benefits as a bonus. 1 Overview The NE5532, NE5532A, SA5532, and SA5532A devices are high-performance operational amplifiers combining excellent dc and ac characteristics. -james Mar 19, 2014 · Both the TL072 and the NE5532 prefer inverting over noninverting operation by a significant margin for various reasons, but it is virtually impossible to get both high input impedance and low noise at the same time in an inverting configuration (noise gain is signal gain + 1 to begin with, and high input impedance would require high resistor Aug 28, 2023 · Protection Features: The NE5532 includes internal protection mechanisms against short-circuits and thermal overload. That makes NE5532 very good for low cost phono amp, but not necessarily everything. May 30, 2017 · Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. 5. Please help me. Oct 9, 2012 · Q1 = input impedance of NE5532 is about 300k, and is stated as Open-Loop Test Condition in the datasheet. May 30, 2015 · Before the NE5532 came along the TL072 was highly regarded and much used in audio equipment. 2 Watts. I'm looking for another OAMP with a warmer sound and more weight in the low frequency. My concerns are the gain setting , and if the NE5532 will drive the needed current (the discrete OPamp have some mid-sized transistors at the output) Schematics for OPamp alone, original unit, and a unit using a NE5532 in a Nov 2, 2010 · Try a pull-down load to the negative supply rail to force the NE5532 into class A, just a few mA will really make it sound better. Oct 8, 2001 · Looks like not much has changed. It's driven directly from a Pot (50k dual-gang Volume pot + 100k Balance pot). The TL072 is around a half inch rectangle with 8 legs going into a socket. NE5532 incoporates BJT circuitry inside, but if u wish to go something with FET circuits inside AD825 is the best choice. NE5532 Datasheet PDF Dec 12, 2016 · Hi, I have a couple of CD players using the NE5532 in the output stage (Denon DCD-3300 for ex). designs and one of the boards I ordered (based on TI Tas5613) use two JRC NE5532 opa. This is a multi-purpose NE5532 Preamplifier circuit. The second op-amp in post 1 and the app-note is configured as a unity gain buffer, helping the first to drive the load. Another way to say it: JFET OPamps like OPA2134 can replace most any other audio opamp Oct 11, 2021 · All the _genuine_ NE5532/5534A chips perform very well, and have noise performance matched to impedances around 10k making them great for analog filters and volume circuits etc, ie exactly what you need in a preamp. Is it really possible to just replace the NE5532 by the LME49720 without having to change anything else Dec 10, 2021 · This is my first time doing anything DIY with audio. Equivalents. It is the question whether this is still so. May 30, 2007 · If the orginal OP is a FET (like TL072, OPA2134 etc) we may be careful sometimes NOT possible to replace with Bipolar (like NE5532 etc). Mar 30, 2012 · I have a Crate VC508 guitar amplifier that many recommend modding by replacing the TL072CP opamp chip. members I have developed preamp (attached file) but I could not make 100% noise free or clean sounding. 2) Buy a real Meanwell 24v PSU, then adjust the voltage all the way down to roughly ~21. Some common equivalents include: Oct 9, 2012 · This is a tone control circuit with NE5532 which i am planning to build. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. -XL ••• Jul 26, 2020 · Yes, here are my recommendations: 1) Replace your current fake* NE5532 Op Amps with real Op Amps like the OPA1656. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. Anything that is cheap, and widely used in affordable gear, simply cannot be as good and an expensive, exotic alternative. Wonder why the datasheet for the NE5532 suggests option B, but the datasheets doesn't always say everything. TL072, OPA2134, LM833, AD827. Does anyone have the ability to measure a NE5532 from OnSemi with an Jun 23, 2007 · NE5532 or LM833 Frickecello The OPA2134 is an excellent replacement for the NE5532, and IMHO, well worth the extra cost. 038*30V(+/-15)=34. M. Oct 8, 2001 · Check JRC2068 spec-sheet. Please consult other diy hobbyist, may be they can give u better options. nothing too cool - but, the mod does make the tmp a bit cleaner at high levels. One could use a OPA1644 as 4 parallel inputs (thus halving its E_n) and still have essentially zero current noise for a phono preamp, giving it a lower total noise than many/all of the Aug 14, 2011 · No. Feb 1, 2008 · Hi, Use OPA604AP to replace I/V convertor, AD845JN to replace output buffers (the two nearest the sockets). 5532 was designed specifically for audio. Thread Oct 8, 2017 · Hi, I recently got myself an ebay board with NE5532 chips as preamps. Unless we have a clear indication, such as a pic, showing the build is according to the design or not, we aren't in a position to help, are we? Oct 8, 2001 · And NE5532 isn't originally a National product (Signetics). Some cool new stuff for instrumentation and specifically made to feed a DAC chip, but for a generic drop in dual 8 pin DIP, the 4562 seems to be a fair bet. g. Especially with 'drop-in' alternatives, it would be in the tweaker's playground. Thread starter Apr 4, 2024 · Hi all! I am deeply inspired by the book “small signal audio design” and am designing a preamp myself. It has good bandwidth, slew rate and reasonable low noise to meet most challenge. I have read in many places that these NE5532 can be replaced with the more musical LME49720. When the original OP is Bipolar(like NE5532 etc) we can most always replace with FET or another similar Bipolar OP. They feature very low noise, high output-drive capability, high unity-gain and maximum-output-swing bandwidths, low distortion, high slew rate, input-protection diodes, and output short-circuit protection. Basically they don't really tick the low-noise box convincingly - the voltage noise is OK but not low enough to compete for microphone or MC phono duty, the current noise is poor for higher impedance circuits. Members Market Swap Meet Group Buys. This is also a JFET operational amplifier (op-amp) and is a different flavour on the more common TL072. Preferably use bipolar (DIY version: two back-to-back) or low-leakage types for coupling caps. Apr 6, 2020 · NE5532 is easy to beat subjectively, and measurably. 000005% sounds better or audible. Probably reached the "good enough" range. Nov 21, 2019 · There's are reasons people use NE5532's and JFET opamps, and low current-noise is a notable one. It is easy to use. NE5532 Buffer. DESCRIPTION The 5532 is a dual high-performance low noise operational amplifier . 0 The bias currents are a lot higher on the ne5532 which means that they aren't suitable to be used as an integrator in a filter or oscillator. I would like your comments Mar 19, 2014 · The NE5532 is far superior to the TLO72 in just about every way for audio use, only real exception being the 5532s' relatively large input current spec. Mar 4, 2009 · With the help of sr. 100nf per rail),grounding res, et cetera. Mongkok Kowloon HongKong. I know Douglas Self and Elliot designed some circuits like this too (Randy Slone suggest different though). small resistors increase distortion as the opamps and/or the source have to work harder. Jul 14, 2011 · the 5534 and many older op amps have very asymmetric output stages, performance can be really poor near one rail, less so at the other I have measured a large increase in distortion near 1/2 fo the rated output current with some op amps - just because the short circuit rating is ~40 mA doesn't mean you get good performance there paralleling for higher output current is "inefficient" for Aug 14, 2024 · Ne5532 Bass And Treble Preamplifier Circuit Board. #3. Is the OPA1656 the correct opamp to use? I heard it was the best so that’s why I picked it. Jul 26, 2020 · I've bought the FX-502SPRO, a very nice and surprising amplifier. The second most common integrated circuit from my analysis was the JRC4558. Thank you. Are there any other Apr 17, 2022 · NE5532 Preamplifier. Opa2134 is jfet and somewhat better and still in dip8 package. Not likely to show any audible improvement unless one of the 5532 is bad. 4. Specifications of the NE5532 are not that bad, especially distortion numbers are still very low compared to modern opamps. Oct 23, 2019 · XH A901 NE5532 Tone Board preamp Pre amp With treble bass volume adjustment pre amplifier Tone Controller For amplifier Board-in Amplifier from Consumer Electronics on AliExpress - 11. Mar 26, 2024 · Finally, after you have solved the instability problem, the NE5532 is not designed to drive such low impedance loads. Sometimes I see the speaker's cone movement is not matching to music strock. Nov 26, 2017 · I'll find the DIY audio discussion where I post FFTs of the LME49720 with and without a DECT base station nearby. Yesterday at 5:40 AM. Jul 26, 2020 · Alternative oamp for ne5532. Ne5532 Op Amp Pinout Datasheet Features Alternatives. There are not many choices with much better THD or noise levels. JRC2068's THD of 0. 4 days ago · Joined 2008. Overall some correction is required to my attached circuit. Two issues are: 1. Thread starter partner11; DIY Sommer USB cable. Lm4766 Ne5532 Package 2x40w Amplifier Circuit Mar 29, 2003 · For moving-magnet cartridges, their ultra-high current noise makes the LT1115 and LM4562 less suitable - although if you are only interested in the noise with a record playing, the record's surface noise tends to dominate anyway unless you do something really stupid, like choosing ultra-high current noise op-amps and connecting a bunch of them in parallel (like this Elektor design: Supra 2. Of course op amps are not his first choice. Anyhow, one must mind the current noise, too, so it really depends on the network impedances at hand. You don't state your location, but the TL072 is widely available from Asian vendors on eBay at very low prices. Maybe try the OPA2604, designer Thorsten Loesch of AMR fame regards that one as good, unless you move to singles on an adapter board using something like the OPA627. if you omit the unity gain buffer at the input and the midrange control - it is similar to schematic post one (swap lf353 to ne5532). Sep 1, 2023 · The op-amp inside NE5532 has a high input impedance, low noise, and a wide bandwidth, allowing it to accurately amplify weak signals while minimizing distortion and interference. Sonically the OPA2604 is a lot better, as a second choice I can recommend OPA2134 or OP249. May 22, 2015 · That is probably the exact reason that they got a bad rep with audiophiles. I have few questions, how can i change the hz values of treble and bass replacing the components? Does that scheme allow to bypass the pre amp section and use only the opamps for tone controls(or maybe i'm too confused)? DIY Kits NE5532 Preamp Pre-amplifier Tone Board Treble Alto Bass Volume Control Oct 8, 2001 · The engineers at National Semiconductor designed the NE5532 for ultra low noise application with a slew rate (5 V/µs) which is much improved over the then standard 741 family of opamp. Jul 26, 2020 · @Salas i know, i have the full book since 2015, yet i suspect that what we hear wrong is in lower quality ne5532/4 launched on the market with insuficient quality check by unknown companies or sellers. They feature very low noise, high output-drive capability, high unity-gain and Apr 16, 2011 · The genuine NE5532 is a good choice for many audio applications. The NE5532, NE5532A, SA5532, and SA5532A devices are high-performance operational amplifiers combining excellent DC and AC characteristics. Email: [email protected] Address: Room 5 2/F Ho King Commercial Centre 3-25 Fa Yuen Str. I did find this as something new. Meanwhile, Fairchild has been included to OnSemi. I have replaced 5532s in a DAC with OPA2134, and there was a very audible improvement. Most builders who have gone down this route rave about the sound quality improvement. Aug 9, 2023 · It's simpler, won't inject noise to ground and shouldn't be any problem with the NE5532 at least. There are several equivalents or alternatives to the NE5532 op-amp. The NE5532 typical short circuit current is 38mA. 9 threshold. Check all parameters !! Check all parameters !! Anyway when using other opamps one must take care for good decoupling. I understand I can replace the ne5532 with another model and to achieve a different sound. Any other direct replacement with Jul 26, 2020 · Yes, here are my recommendations: 1) Replace your current fake* NE5532 Op Amps with real Op Amps like the OPA1656. Aug 15, 2011 · Hi guys this is my first DIY audio project, it's a Headphones Preamplifier/Amplifier based on a NE5532 opamp, BD139/140 transistors and ELNA SILMIC II electrolytic capacitors. You can also wind up with DC offsets when you use them in mixing/amplifying applications without proper AC coupling capacitors. New NE5532 Stereo Pre-amp Preamplifier Tone Board Audio 4 Channels Amplifier MO I'm facing the issue that the pre-amp is causing too much signal gain. Vicktor Mekvics' sub-ppm THD oscillators can only be made with LME49720s. What keeps me scratching my head is the amount of people saying you should not load a 5532 lower than 600ohms… 15V / 600ohm = 25mA 5V /200ohm = 25mA Do those situations yield the same Oct 9, 2012 · 'Good sound dynamics' (whatever that is) is not the issue. When shielded in an enclosure the LME49720 can perform quite well. And it's 6 V/us slew rate at around +/-15V output swing is also above the 3. The TLO72 has a very limited ability to drive a load, it's prone to latch up if the inputs are overloaded, and has many other "features" that make it undesirable for audio in my opinion. Oct 8, 2001 · I have a pre-amplifier built using NE5532 with excellent performance outweighing most high end pre-amplifiers. Even AD797 or OP627 cant hold a candle vs OPA1612 in terms of SQ - the difference is HUGE! NE5532, NE5532A, SA5532, SA5532A www. Even today there are people who prefer it. Jul 24, 2004 · the "paia mod" is in reference to their tube-mic-pre kit Among other things (like clean power and a decent tooob), you can swap out the stock 5532s with 2604s or, as suggested by a specific article (can't remember where), you can use a 2604 on the front and a 2228 on the back. Originally we intend to upgrade it with opa2353, but apparently it wouldn't work due to this op using single 5v power supply. com SLOS075J–NOVEMBER 1979–REVISED JANUARY 2015 8 Detailed Description 8. You could use 2 x NE5532s on a plug in board to fit the quad socket. Dec 17, 2002 · NE5532 is good but there are better ones Yes, it is worth replacing. Lm4766 Ne5532 Package 2x40w Amplifier Circuit Diagram Seekic Com. found in an old national datasheet (lf353) a tonecontrol. Since I am not interested in the V6 Vivid Dual that it comes with. As follows: Microphone has a sensitive signal about 50 mV. Alternative oamp for ne5532. Ne5532 Bass And Treble Preamplifier Circuit Board. That is what got me wondering if there were any new and improved op amps that could be direct replacements for my Drawmer 1960. Makes the wiring more easy (forgot how to use it in Eagle ) Also C3+4 moved closer to the chip. NE5532 Alternative. Crossover Active Audio Filter Circuits Ne5532 Opamp Electronics Projects. Jun 10, 2010 · I found one posting in a board where a guy claimed he changed the ne5532 to the opa2134 and noticed a real difference in a DBX compressor. A passive pre-amp has too little. I had the possibility to both measure and listen some new chinese TI ne5534 on AP and they measured very well but sounded really poor in noninverted topology even when applied all D Self tricks Jun 8, 2010 · Greetings, I'm experimenting with few amp. FM tuner has sensitive signal of about 300 mV. 6v. Oct 28, 2010 · hello. Feb 11, 2021 · Dont make me laugh, if you can't hear the difference 5532 vs OPA1612 than you should not be very concerned about SQ (in your case). It uses the NE5532 opamp for output. Do not expect clean signal at 35mA. Balanced Input Configuration: The op amp supports balanced input configurations, which is useful for differential amplifier applications. The NE5532 also has 8 legs but is less than half the size. I got a TI NE5532 off ebay. Use a simple resistor, or a J-fet with the IDSS trimmed to 3mA~5mA. Apr 13, 2010 · The reason for using the NE5532 is that i got 50 of them for free, so why not use them? The groundplane has been set-up. Jul 26, 2020 · Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. So, in 40 years, 741 to TLO72 to NE5532, to 4562. 2. But the performance of a fake NE5532 can be anything. Nothing really new. Jan 19, 2024 · The idle supply current is spec'd at 8mA but you probably want some audio output which could be 38mA each, so for 30 op-amps that would be 30*0. Other alternatives are the NE5532 (the IC in 12th place) and the OPA2134 (currently in 10th place). It uses 10K pots (R4-R5 , R8-R9 ). Jun 8, 2006 · An alternative to expensive chips is the discrete opamp, You can select for more voltage or more current or low load impedance or any combination upto all three. I know the NE5532 or alike use capacitor/resistor values to determine the gain. Apr 16, 2011 · Can someone tell me what a better drop in replacement for the NE5532 might be? I got a DAC kit from China for really cheap and am putting it together. Most new amps are surface mount. ti. NE5532 Buffer . The "powerbuffer" has been doubled up to 2x100µF per rail (looks nicer without the hole between the input-caps^^). Jan 13, 2022 · M2x daughter cards began life as easy-to-source alternatives that don't use obsolete & hard to find Toshiba JFETs. JRiver Media player with 32bit/353kHz oversampling ASIO output, TPDF dithering and Jul 29, 2017 · A few years ago, Doug Self or Elektor found out that the NE5532 from Fairchild has less distortion than that of Texas Instruments. Also as ways to explore the sonic virtues or drawbacks of different circuit approaches: pure single ended ("Mountain View"), composite amplifier ("Norwood"), diamond buffer ("Austin"), transconductors ("IPS6"), bootstrapped power rails ("IPS7"), etc. Operate it in its best zone and it will outperform NE5532 soundwise. but this schematic does not show psu decoupling caps (e. . Agreed it is not buffering the first op-amp as used in those circuits. Tel: +86-16625136617. Sep 23, 2006 · The NE5532 muddles up the mid while the NE5534 creates a "hole" in the mids, the sound stage almost appears to be on a "concave" canvas; both have good bass slam. Even though its output current is limited at somewhere between 10mA and 60mA, you should not expect a stellar performance with load impedance (much) below 600 ohms. So, what is the internal input impedance of NE5532 if it has a Closed-Loop Gain of 2x ?? Now I'm using 100k & 220k (inverting) on the first stage. In most case, the rest of the PCB, passive components and workmanship are acceptable. Mike May 25, 2013 · Lets focus on the reasons this kit doesn't work properly and so make a reply to the OPs first request before dismissing it for alternatives. It's supposed to be a stright up replacement but it's about a third of the size. large resistors increase thermal noise, and may also cause HF response variations due to stray capacit Audio circuits using the NE5532/3/4 AN142 1984 Oct 2 August 1988 Rev: 2 AUDIO CIRCUITS USING THE NE5532/33/34 The following will explain some of Philips Semiconductors low noise op amps and show their use in some audio applications. Replacing the fake NE5532 is necessary to get good result. 11_Double 11_Singles' Day ••• Mar 25, 2021 · The kit that i ordered uses the ne5532 opamp. (should be built in). Cassette player—See less, too ancient— has a sensitive signal about 100 mV. The offset null pot is not configured correctly to work with the OPA604s or you could use these all round (you would need to reconnect the wiper of the pot to the negative rail rather than the positive as now). Jan 21, 2016 · In case of an OPA2134 I'd stick with 10k-20k, NE5532 with its much lower input impedance distortion shouldn't have much of a problem with 50k or even 100k. The project is currently in progress, all was tested successfully except the EQ stage. There is no proof that 0.
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