Ne5532 upgrade reddit. Is it a good idea to try to replace the NE5532 op amp in my Sony CDP-XA3ES? What do you recommend? improve the sound? OPA627, AD826, BD2134? Should I use the same Mar 4, 2009 · With the help of sr. lots of positive comments about OPA2604, OAP2134, NE5532, and JRC4558. Upgrade for NE5532 Jun 26, 2005 · Being far more familiar with tubes, I inferred from the various negative comments regarding LM1458 and the comments on this board comparing one op amp to another that op amps color the sound much as do tubes. It uses the NE5532 opamp for output. The original circuit would have taken " gain " requirement also into consideration in their design. Oct 10, 2020 · Here in sweden we have also investigated the ne5532 because there was rumours that it was a fake one in the Aiyima a04. I don't hear as piercing highs. Thank you. small resistors increase distortion as the opamps and/or the source have to work harder. Nov 24, 2015 · Upgrade NE5532. Home This is clearing up allot of things thanks! aion refractor kit notes had these notes: Socket the op amps. Oct 8, 2017 · Hi, I recently got myself an ebay board with NE5532 chips as preamps. All are direct replacements, nothing else need to be modified. Could anyone recommend a specific opamp to upgrade to, or is the NE5532 a decent opamp that I shouldn't worry about replacing for now. My guess is that you won’t notice a difference. He's a member over at diyaudio. I know Douglas Self and Elliot designed some circuits like this too (Randy Slone suggest different though). 2. Oct 9, 2012 · 'Good sound dynamics' (whatever that is) is not the issue. LJM is a great designer/reverse engineer who sells many different better-than-they-should-be kits through multiple vendors. Posted by u/mi-16evil - 1,198 votes and 1,530 comments Dec 13, 2007 · NE5532 vs NE5534. Reply. Replacing the fake NE5532 is necessary to get good result. I've also tried OPA2604 - little bit smoother than the NE5532. NE5532 Buffer. You can also wind up with DC offsets when you use them in mixing/amplifying applications without proper AC coupling capacitors. But it's higher power, doesn't handle high impedances well, isn't rail-to-rail, and has a higher minimum supply voltage. The original uses TL072s, but many people have reported good things from mixing these up, such as an LF353 or JRC4558D for IC1 and a NE5532 for IC2. Upgrade for NE5532 Hi, I need a little help with a problem I came across while switching from TL082 op-amps to NE5532s in my little amplifier project. Wow Pretty sure the original version used the NE5532 and the more recent revision uses the LM4562NA which is newer and considered an upgrade. I noticed that the non inverting input of my op amp is taking in an unusual amount of bias current. Aug 3, 2013 · I'm replacing a bad op amp in a Phase Linear 3500 preamp. 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. But after measuring output noise i decided to take the NE5532 which was so quiet. the differences aren't huge, but big enough to make a change worthwhile. Use a socket and try a few out. Please help me. Other upgrades are purely optional. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. I ended up staying with this one. Design & Build. So you should get that version… even if the performance difference is likely so slim that you wouldn’t notice it in real world listening. . Includes a 32V 5A (160W) power supply by default , which means you won't be getting the full (and very inflated) 600W advertised power, however an upgraded 48V 5A (240W) power supply is also available for about $15 more. Jul 26, 2020 · It's already confirmed that ne5532, supplied with amp are fake. Op amps are super cheap. Any recommendation? Jan 27, 2012 · Seeking warmth and good sound, because sometimes I found this CD player sterile and overly analytical, somewhat harsh and fatiguing. For example, if you are replacing NE5532 parts in the RIAA equalizer, the AD827 may generate much more noise. 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. I noticed that the opamp used for the audio output was an NE5532. Source NE5532 leans toward less bright, more warm sound, and Audioengine A2+ is already considered to have V shaped frequency response, which will likely become even more pronounced if NE5532 is swapped for something brighter. Dec 5, 2023 · The NE5532’s high slew rate — the speed at which the output voltage can change in response to a change in input — makes it a sensation in audio processing. Wonder why the datasheet for the NE5532 suggests option B, but the datasheets doesn't always say everything. Going back to the old pair after a few weeks of using these really show how big a difference it is. I know the NE5532 or alike use capacitor/resistor values to determine the gain. Jun 20, 2007 · Hi I wish to upgrade my old Yamaha A-560 amplifier. designs and one of the boards I ordered (based on TI Tas5613) use two JRC NE5532 opa. I'm looking for another OAMP with a warmer sound and more weight in the low frequency. 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. ths is my opinions. I would like your comments May 30, 2015 · Before the NE5532 came along the TL072 was highly regarded and much used in audio equipment. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. This is why i started with a TL072, much more stable and with low offset. e. The original part is a Signetics NE5532, but I have found there is also a low-noise version (the AN). true. 4mA (quescient current) the NE5532 needs 6mA,hence the resistors too are calculated accordingly. This is changing out a component inside (Op Amp, or Operational Amplifier) which can result in much better sound quality. This was National's answer to the NE5532 from Philips/Signetics. 11_Double 11_Singles' Day ••• Oct 9, 2012 · This is a tone control circuit with NE5532 which i am planning to build. members I have developed preamp (attached file) but I could not make 100% noise free or clean sounding. 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. That makes NE5532 very good for low cost phono amp, but not necessarily everything. Originally we intend to upgrade it with opa2353, but apparently it wouldn't work due to this op using single 5v power supply. The OP1656 is the exact opposite, while still being detailed. You can think of it sort of like changing the tubes on a tube amp. The default config sold on Amazon US uses a TPA3255D2 amp chip and NE5532 op-amp. I'm powering the 660s from my AsRock Z270 Extreme4 motherboard which apparently has a very good amp in it that can power up to 600 Ohm headsets. May 30, 2017 · NE5532 Buffer . I understand I can replace the ne5532 with another model and to achieve a different sound. pls considerate choose philips 5534 Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. Sometimes I see the speaker's cone movement is not matching to music strock. Dec 17, 2018 · Have a significantly better sound by upgrading the stock NE5532 op amps to something more ‘high end’ and modern like the OPA627-AP? How these op amps actually compares (sound wise) in your opinion? Oct 8, 2001 · I opened up my very inexpensive dvd player yesterday to try to look for upgrade options. Parts. It has good bandwidth, slew rate and reasonable low noise to meet most challenge. The NE5532 is perfectly fine. Two issues are: 1. Thread starter mousedown; Start date 2015-11-24 10:13 am; Status Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. Dec 12, 2016 · Hi, I have a couple of CD players using the NE5532 in the output stage (Denon DCD-3300 for ex). LME49720 4. It's low noise, it operates from dual rail supplies, it's got plenty of output "grunt" (it'll drive a 26V peak-to-peak 120 kHz sinewave into a 2Kohm load), it's a dual, and it's dirt cheap. That is about it for now. However I'm not ok with the sound of my FX Audio DAC X6 which has OPA2134PA and will be checking if NE5532 will make a difference. Better specs for less money. 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. To test each amp, I would listen to a song or segment of a song, then swap the amp as quickly as possible so I could keep the listening impression fresh in my mind. Apr 16, 2011 · Hello All: What's the latest on an excellent upgrade for the NE5532 opamp? I've looked into the BB OPA2604 and the AD OP275 so far. I see here that are many others Ops that are better, like the OPA249, AD8032, or best THS4032 and some LMH-types. Oct 28, 2002 · NE5532 is a dual, low noise, bipolar input device with a beefy (for an op amp) output stage. Is it really possible to just replace the NE5532 by the LME49720 without having to change anything else The sensible upgrade is the NE5532. 733K subscribers in the AskElectronics community. 214K subscribers in the guitarpedals community. ALL the op amps are socketed, so I was wondering, since this is about 18 years old, if there are any newer op amps that are a DIRECT replacement for the NE5532 and TL072 op amps in this 11 votes, 14 comments. In this particular case very low power consumption alongside high inpur impedance. There is plenty of good comments on them and honestly I just bough 4 for $1. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. I know that the NE5532 has lower input impedance and the input bias current can reach a few hundred nA. 42 (in total) so it really hardly cost anything to check yourself. A place to discuss effects and pedals! Jun 10, 2010 · Today I had it open to clean a pot, and noticed an abundance of NE5532 and TL072 op amps (it a really a hybrid - using a few tubes but solid state as well). It is embarrassing that it is only the the last 5 or so years that the old (1970s) NE5532/4 has been bettered for audio work, and then at a significant increase in power dissipation (Which was not low to start with), the LM4562 is SPECTACULAR in a design done to play to its strengths, but it is FAST and does not appreciate a capacitive load Aug 9, 2023 · It's simpler, won't inject noise to ground and shouldn't be any problem with the NE5532 at least. In most case, the rest of the PCB, passive components and workmanship are acceptable. You could use 2 x NE5532s on a plug in board to fit the quad socket. Apr 6, 2020 · NE5532 is easy to beat subjectively, and measurably. Picture a high-energy rock anthem Aug 15, 2011 · About using NE5532, i was very sceptic about its poor stability without the feedback cap and its offset (~7mV measured in the schematic setup). In all, I will say the changes are noticeable, but not earth shattering. Even today there are people who prefer it. I sent my original NE5532 to an hificonstructor and he did measurements , showing that the Aiyima a04 op amps was not fake. The G6 is excellent, and has an impressive DAC section that is truly "audiophile-grade", which means that it allows you to upgrade your audio even further by adding a dedicated headphone amp, and using the G6 as DAC to feed it. 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. There is of course a big difference between the two so I'm already happy with the upgrade. This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. Jun 3, 2010 · If you look at the the data sheets for these 2 devices,you'll notice, that while TL072 requires only 1. 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 Removable NE5532 Op-Amps, can be replaced in case of failure or to upgrade to other models with different sound qualities. Oct 8, 2001 · Upgrade for NE5532 . I think I used TL072 in my KOT clone. i. Geniune NE5532p or NE5532AP 2. I would note that opamps are not generally directly replaceable even if the pinout lines up, GBP, stability considerations, power consumption, noise impedance and all the rest MATTER to being able to swap two parts and getting a good result. Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. There are even microphones running on phantom power with this chip. To my ear that upgrade took the device from being good for the price to just plain good. Overall some correction is required to my attached circuit. 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 Mar 26, 2024 · Finally, after you have solved the instability problem, the NE5532 is not designed to drive such low impedance loads. People have already replaced & tested with 1. Of course op amps are not his first choice. Upgrade for NE5532 Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. OPA2134 and a few others. OPA1656 - Better imaging / separation of instruments. A subreddit for practical questions about component-level electronic… Jun 8, 2006 · TI5532 & NE5532 forget it. Oct 8, 2001 · And NE5532 isn't originally a National product (Signetics). Thread starter rumblinbass; Start date 2007-12-13 2:02 pm; Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. I have read in many places that these NE5532 can be replaced with the more musical LME49720. Apr 16, 2011 · The genuine NE5532 is a good choice for many audio applications. It's specified to be competent for audio uses, something the 358 falls short on. Design Jul 26, 2020 · I've bought the FX-502SPRO, a very nice and surprising amplifier. Look at the next step up: LJM L12-2 which is 100WPC. I've looked into the BB OPA2604 and the AD OP275 so far. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. The A07, just like the Fosi v3, comes with NE5532 stock. LM4562 3. I'm also ordering OPA2134 opamps to replace the NE5532's that are stock. For this review, I did A/B testing for the stock op-amp in the X6 - the OPA2134 - and the Texas Instruments NE5532. It uses 10K pots (R4-R5 , R8-R9 ). Apr 21, 2019 · SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps Oct 8, 2001 · Upgrade for NE5532 . 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. Jun 8, 2010 · Greetings, I'm experimenting with few amp. The bass was less muddy and overbearing while the midrange and treble clarity improved greatly. I would like to order a new TPA 3255 board from JLE but that will be for a different chassis that has more space. I recommend the LM833. I actually bought it to upgrade a cheapo amp I had in the garage. Home. If I had Audioengines to mod, I would likely try LM6172 dual opamps instead, which sound great, better than NE5532 or OPA2604 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. Anyhow, one must mind the current noise, too, so it really depends on the network impedances at hand. com and participates in a lot of the threads concerning his amps. Use a simple resistor, or a J-fet with the IDSS trimmed to 3mA~5mA. Do they sound the same? I find the A07 to be adequate in it's stock form but mine really improved when I swapped the NE5532 OpAmps for the LM4562. FET input has very high input impedance and OPA134 and OPA2134 are usually the very high input impedance variant of NE5532 that finds a lot of use. Thread starter russc; Start date 2017-05 Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. I started for change the OP in the preamp (JRC4559) for a NE5532, because I read that are fast in the spec sheet (Slew rate: 8 V/µS NE5532 – 2 V/µS JRC 4559). Any other direct replacement with This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. large resistors increase thermal noise, and may also cause HF response variations due to stray capacit. A passive pre-amp has too little. It's very good for portable devices too. A low-cost upgrade for an amp like the T9 might be rolling the op-amps. But the performance of a fake NE5532 can be anything. You don't state your location, but the TL072 is widely available from Asian vendors on eBay at very low prices. Source & Line 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. I have a Tascam M5000 console (~$45k for 40 channels in '95) and looking into converting to 24 channels and re-doing the center section. qoxclsbijvgxebgqmiyoqfomlgnjncpbohugdgghcpkfgsiqrrbgcts