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Ne5532 upgrade reddit. If you don't know or don't care, just stick with the default and save the money. Also try runnin the amp from a different wall socket. 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. Board came from a china ebay supplier who can't provide sheet. Consider running a quality ~2200 uF 35v smoothing capacitor at the positive & negative output. Dec 29, 2008 · NE5532 is noisy, not much way around it, except a volume pot between it and the 3886. That is in the nanoamp range for NE5532 and picoamp for a FET-input opamp like TL072. Maybe it's for an additional amplification stage. Maybe it's to use it as an input buffer. Announcement. It feels so absurd when you accidentally select something with a weird pinout and then have an EOL. The appropriate question should be es9023 vs alc1220. While I built my KOT’s with 4580’s, I’m willing to bet you won’t hear any discernible difference between a 4580 and a 4558. The last CMOS 12V max supply. As above, I have searched this forum without reaching a conclusion. Voice reproduction was BEST in the NE5532 ! Unfortunately it was a bit low in the HF. Sep 11, 2013 · Feeding into a power amp with Zin => 100K (not unusual) will be fine with a 10K pot. Apr 6, 2020 · Posted April 6, 2020. That is why "A" is better. Jul 14, 2011 · Joined 2007. ••• Apr 16, 2011 · Administrator. What is the safe upper limit on the input signal of this circuit. Transients were still good but the HF levels seemed to be a bit rounded off. Oct 13, 2020 · Currently, the op chip used on AIYIMA A04 & A07 is NE5532. Typical IC op-amps are sensitive to the negative rail. The datasheet I have (TI) says typically the current limit is 38mA, but the minimum is 10mA. If you lower the impedances, the distortion will be less. 64 NE5532 dual opamps are about £10, BTW, enough for two amps. If it doesn't sound right then scrap the NE route and try building a small PCB just copying the Phono stage . ejp said: Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. A single opamp stage can act as input and VAS. Use case= I am wanting to amplify the output of my Moving Magnet Phono cartridge and record it. If the devices are socketed, you could try the old tl072. Here we recommend some replaceable OP chips. Jul 26, 2020 · 2020-07-27 4:51 am. I know the NE5532 or alike use capacitor/resistor values to determine the gain. ago. Board is silkscreened with component layout but does not show specific values for each location. It is a matter of taste which you like best, try them all for finding out. Zero. Check JRC2068 spec-sheet. Its more fun to listen to the music. It basically a transmitter and a receiver for an analog signal (10Khz +/-) , a led on the emitter and a photo-diode on the receiver. Jun 3, 2010 · Iq runs from V+ to V-; input bias current goes into inverting and noninverting inputs. If you have NE5532 after the volume potentiometer, than exchange it with OPA2134. A true differential-in amp could be made up from three OP-amps of which two work as linear gain stages and the third works as differential to single ended converter. Dec 24, 2010 · The NE5532 would be a bit too noisy for my taste. schematic. Mac. The sound is really good with the 2604 providing some Jan 19, 2024 · Otherwise you'd need precision gain resistors for every opamp. In addition to the lower voltage supply, I will be drilling some ventilation holes in the bottom and top of the case for better cooling. I go ahead and place my order for the 16in M1 Max for in-store pickup. HP Victus SSD upgrade. If your opamp it is not in that place, after a potentiometer, then you leave it , dont change it. It really depends on implementation. Unless you understand the circuit and its requirements this is thoroughly discouraged. A low-cost upgrade for an amp like the T9 might be rolling the op-amps. 001% is near the hearing threshold. It's such a proven and inexpensive device (plus tone controls), I'd say your look is over! Reply. I do agree throwing a scope on to look at the signals before after is always a good idea and doing further measurements. Operate it in its best zone and it will outperform NE5532 soundwise. 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. Started soldering parts onto a pre-amplifier board. This is changing out a component inside (Op Amp, or Operational Amplifier) which can result in much better sound quality. Mar 4, 2009 · Try putting a small (~100pF) capacitor between pin 2 and 3 of the NE5532, it may help. Second amp, tone control, consider the pots at their mid point; then Rf ~= Rin, so gain is -1. Members Online 90% complete. The NE5532 supports a max supply voltage of +/-22Vdc and a nominal supply of +/-15Vdc. Another cheap Chinese DIY kit, and this time it's a small headphone amplifier based on a pair of NE5532P opamps. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. It's awesome. The double-sided board is of decent quality, it has vias, and the pads are tinned. NE5532 was VERY good in LF and midrange performance. 5532's can drive 500 ohms, 500/64 = 7. Right now plan is to finish the NE5532 tone control preamp boards and test them with the Turntable. Greetings, I'm experimenting with few amp. 5. I see that the NE5532 emitter resistors are 15 ohms. #14. Reddit's original DIY Audio subreddit to discuss speaker and amplifier projects of all types, share plans and schematics, and link to interesting projects. Now you can connect the input terminal of your noninverting amplifier circuit to (halfway between the supply rails), i The LM4562 A07 does work really well if you feed it with a good preamp like the Aiyima T6 Pro which also is flexible when it comes to op amps. Instead of the default NE5532 Op Amp chip, Aiyima factory can customize the A07 with a different Op Amp chip for you for a different sound signature. For the majority of people on W10, there's not really any major reason to update. The only drawback it's the input stage which is on bipolars. BTW, a discrete transistor op-amp can be made insensitive to both rails. The toroidal transformer is a GZLOZONE/Zero Zone 115Vac x 2 (parallel for 115, series for 230) with a +-28Vac and a +-12Vac output. It sounds so neutral like a NE5532, but more spacious and with a lot of details. Jun 8, 2006 · Of course you can do better with pricier models. 1. If I had Audioengines to mod, I would likely try LM6172 dual opamps instead, which sound great, better than NE5532 or OPA2604 May 31, 2022 · Massively parallel NE5532 op-amp low-noise, low-distortion headphone amplifier design (single DC rail). Those do better with "B". Or to go the route of the NE5532. Share. That input stage it is not properly for a volume potentiometer. The bass and treble introduce a gain off upto 15 DB. Regenpak said: The NE5532A is a fine opamp. you probably need the right monitor more then the new pc. So I was in the market to get a new MB Pro and just saw the new program BestBuy launched. Jul 15, 2022 · What could be causing the distortion on channel 2. Joined 2010. So far I don't hear any harsh sibilants (very clean) but it is virtue of my speakers. A modern chip like an OPA2134 or LF353 would be better. I doubt that you will improve the sound of a ne5532. 1M subscribers in the headphones community. Dec 12, 2023 · Looking at the data sheets for NJM5532 and NE5532 they look very similar, and interchangeable. View community ranking In the Top 1% of largest communities on Reddit DT 990 250ohm Mainboard AMP/DAC Hey guys i have a z370 asrock fatal1ty itx with ac 1200 which should be enough to drive a dt 990 250 ohm. There are lots of videos on YouTube about how to do this, with testimonials talking Nov 24, 2015 · Joined 2012. Mar 5, 2007 · LM4562 -- not by a very large margin ! 2. The dual 28Vac goes to the rectifier board for both amps and a single 12Vac goes straight to the pre/tone board. Some experimentation with the value of that cap may be required, esp. Its not a budget headset. #2. TL082 is a more noisier replacement, and is fully voltages and pin´s compatible, but TL072is a very common IC, you can buy it elsewhere. NE5532: The resolution is average, the high frequency is relatively dry, and the low frequency is. Nothing really new. The NE5532's performance has been well tested under all kinds of loading circumstances. For this review, I did A/B testing for the stock op-amp in the X6 - the OPA2134 - and the Texas Instruments NE5532 . The uppgrade to lm4562 is a no-brainer if youre interested in hifi, and clearly worth 5 dollars . 50 NE5534 at the time. Jul 26, 2020 · 1) Replace your current fake* NE5532 Op Amps with real Op Amps like the OPA1656. Oct 2, 2021 · In the case of my two Aiyima a04 and switching between ne5532 amp to lm4562 amplifier, the difference soundwise is clearly bigger than moving your head 30 cm in the listening room. NE5532 preamp is used for subwoofer only. Jun 8, 2010 · Member. LM4562 is one of the choices. The conclusion which opamp is best can only be made by you yourself. It takes 12-18V DC power supply, and has a big knob for easy volume Built a basic headphone amplifier, opinions on the design? (schematic included) I put together my own headphone amplifier loosely based on a couple schematics (O2, CMoy, Classic 47, etc) I found online with a couple of my own additions. Originally we intend to upgrade it with opa2353, but apparently it wouldn't work due to this op using single 5v power supply. Hopefully it will continue to perform well. Please leave comments on this policy, and upvote comments that you agree with. The OP1656 is the exact opposite, while still being detailed. both of the two types were used in mixers and so on. Need instruction sheet for pre-amplifier , NE5532, XY HI-FI version 2. have a look at the datasheets. The 4562 is the most logical replacement for a 5532, however the 5532 when used correctly as a 'gain block' is extremely good. Mar 26, 2024 · There is a slight problem with the circuit as drawn in the schematic in post #1 above. • 2 yr. The op-amps will be used as a astable multivibrator and as a transimpedance amplifier with a Rauch band pass Dec 12, 2016 · Hi, I have a couple of CD players using the NE5532 in the output stage (Denon DCD-3300 for ex). Dont think of the quest 3 as the successor to the quest 2. Jan 21, 2016 · It biases the opamp in Class A (via resistor R2) AND it adds a high current output buffer which also operates Class A. Pretty sure the original version used the NE5532 and the more recent revision uses the LM4562NA which is newer and considered an upgrade. Input impedance is lower and input current is higher if that matters for your design. There is of course a big difference between the two so I'm already happy with the upgrade. A passive pre-amp has too little. I came across multiple videos online that claim 1TB is the max supported size per m. Or if you could explain the difference to a layman. 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. The 4562 would be the one to try if you really wanted to swap them. That's probably 1-2 years away though. Funny thing is that my controller had the low battery message (0 bars flashing) at like 5ish hours, but then it just kept on going until it died at almost 11 hours. g. RC4580 for cheapest. 2010-06-08 9:23 am. Using JFET input opamps comes to mind as JFET input opamps offer some other benefits as a bonus. NE5532 is/was quite forgiving but many other opamps are more picky. 1. Oct 8, 2001 · keilau said: 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 suggest you install a pair of 10K resistors in your circuit, in series with each of the opamp input pins. I figured I would give it a try since the payments were reasonable. The 5532 and the contemporary TL072 were the first operational amplifiers that outperformed discrete class A circuits in View community ranking In the Top 1% of largest communities on Reddit This is the diagram of NE5532 op-amp, what those two NPN transistors at the input of op-amp are for? comments sorted by Best Top New Controversial Q&A Add a Comment Nov 2, 2010 · NE5532 it is a very good opamp. cd player out and so. Looking at the traces, this seems somewhat likely. MUSES01 is really the best OPAMP I ever tried in I/V stage, so I strongly recommend it. A very low noise would be the AD797. 5Vdc. . The NE5532, also sold as SA5532, SE5532 and NG5532 (commonly called just 5532) is a dual monolithic, bipolar, internally compensated operational amplifier (op amp) for audio applications introduced by Signetics in 1979. Any other direct replacement with better The 5532 is pretty good for audio use. I use one right now after an AlienDAC to bring up signal level to a respectable number, but soon to be replaced with better chips (LM4562) and circuitry. 6. the tl 07x are jfets with high input impedance ,probably used at the input stage and so ,where high impedances are needed. Simgot MTW5. Any current drawn exposes the non-linear output stage. You can even make this into a composite topology I suspect, though I've not tried. (Blue line). Various items will be hooked up to this input from CD/Bluetooth/Phone jack/MP3 player/Turn table. But probably it's just marketing stuff some random chinese guy put together to make it sound fancy. Also, a poorest replacement in an emergency case are bipolar Mc/LM1458, or LM358. OP275, OPA2134 and OPA2604 are good replacements in general. I recall them having issues with higher resistance values on the input and feedback loop. Oct 8, 2017 · Hi, I recently got myself an ebay board with NE5532 chips as preamps. Aug 9, 2023 · The NE5532 has unusual frequency compensation that makes it sensitive to the voltage difference between the rails. Mar 14, 2010 · NE5532 is very flat and even sounding but is no comparison to OPA1612. Instruction sheet shows values for each component. I believe this might be because HP offers up to 1TB drives as replacement parts Aug 13, 2022 · Go with a LA6458 IC or one of its compatible IC. the ne5532 are low noise that can drive loads down to 600 ohm,used mostly at the output (e. Sort by: JetmoYo. OPA1612 is open sounding but is a little warmer possibly because of the lower midrange roundness. TL072 was VERY good !! Equal or better than 4562 in some respects. 2) Buy a real Meanwell 24v PSU, then adjust the voltage all the way down to roughly ~21. Headphones: Monoprice Modern Retro with Brainwavz XL Large Earpads. DAC/Amp: FX Audio DAC-X6. Is it really possible to just replace the NE5532 by the LME49720 without having to change anything else 214K subscribers in the guitarpedals community. Looking for an "better" LM741 op amp. Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link Mar 30, 2012 · 2012-03-30 8:38 pm. Ecactly the same unit. 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 The es9023p is a dac chip while the ne5532 is an amp chip. Jun 24, 2017 · NE5532 preamp/buffer. This will ruin your sonic experience. The Quest 3 looks significantly better than the quest 2. You can think of it sort of like changing the tubes on a tube amp. Think of it as the quest pro people wanted. Also a TS912, or TLC272. Even HP support claimed this when I contacted them. #11. I'm also ordering OPA2134 opamps to replace the NE5532's that are stock. Many opamps have a max supply of +/-18Vdc, so simply rolling opamp into such amps would cause them to smoke. P. The NE5532 has a feature which the TL082 lacks: a pair of back-to-back diodes between VINplus and VINminus. JRC2068's THD of 0. 8ohms. An NE5532 is a jellybean audio IC and it’s probably a good idea to buy some if you see yourself working on audio stuff in the future. For audio I like Rohms newer LM4565. The instructions are pretty good and even has recommendations for soldering order. Hi! Right now i am doing my electronics course final project. Unless the /r/EE community strenuously objects, this community will go dark for 48 hours on June 12th over reddit's new $2. It should take line audio in and output with low impedance, and I also wanted to try ridding capacitors from Mar 29, 2003 · 2003-03-29 8:21 am. About 15 years ago, stepping up to a $30 OPA627 was a big improvement. 2 slot. 2011-07-14 12:07 pm. ) greetings. I tested a few in both units and the best combination to my ears at least is the opa2604 in the output stage of the T6 Pro and the LM4562 in the A07. B450 tomahawk max and a magni Hersey or atom, I'm saying this as someone with a X570 master. Doug Self has a paralleled NE5532 design working as a power amp, so you could do worse than to copy that and reduce the number of opamps to suit. Sound-stage increases, sound becomes more detailed without being harsh or sounding bright. Meta was underselling this big tbh. The resistor values chosen for a particular topology may be influenced by input impedance, but have nothing to do with supply current. So, in 40 years, 741 to TLO72 to NE5532, to 4562. 6v. #1. If you replace it with something else you may introduce instabilities due to the way the circuit is designed. I got 7 hours and 40 minutes of idle time before the upgrade, and 10 hours 50 after installing the new battery. Link to Hifisonix site. I'm a longtime Burr Brown fan, as much as Carlos the Canned. SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps. Perfectly normal. Apr 16, 2011 · NE5532 and NJM4580 seem to be the workhorses in audio. 3) If you can solder, let me know. 2015-11-27 6:58 pm. Its a higher end headset with higher end features (and much higher price) but the features are things people actually want. You could even try different mfg of 5532. My experience with Bestbuy Upgrade+ Program. The $8 BB OP27 did much better in preamp and opamp entry power amp circuits than the $1. Update video from previous version, going through des Oct 8, 2001 · For example distortion is a function of gain and impedances (input and output). Honestly the 3070 is still good, if the 4090 is a full paycheck, you should probably wait for the 5000 series which is rumored to be a huge improvement over 4000 series. The 4558 isn't a great piece of equipment. Apr 21, 2019 · Cons: too large to fit into some portable models and get case re-installed, Slightly bright (may bother the treble sensitive), More costly than some alternatives. Apr 24, 2009 · hello. The way to work out the gain is, first amp ~-5 as DF96 stated. The output buffer is an emitter follower (U2top) with a constant current source load (U2bot + Q1). Absolutely must upgrade to the 5654 tubes like everyone says. That implies that the output current should not be greater than ~1mA. Simgot EM2. 2 NVMe SSD. Probably reached the "good enough" range. If you actually are on an earlier version of windows, unless there's some reason, like say, a grandmother who'll throw a positively ballistic fit if you take away her XP, then you should upgrade solely for the updates alone. I have read in many places that these NE5532 can be replaced with the more musical LME49720. The OPA2604 suffered production problems a couple of years back and is not currently available. No preamp is used for satellites, this type of SOUND come from sub+satellites. Nelson Pass had a very insightful interview on the subject slew The Aiyima a07 runs very cool normally but was getting pretty hot to the touch when the ambient temp was 38c. Members Online Can I swap in NE5532 from RC4558? Oct 8, 2001 · Looks like not much has changed. 50 per user per month API monetization policy. I qualified for 0% interest with a $4K limit. _. However some manufactures (eg, NAD 3150) went for +/-18. That makes NE5532 very good for low cost phono amp, but not necessarily everything. Although NE5532 performs well, many audiophiles still want to improve the sound quality by replacing the OP chip. The current is equal to VBE1/R3 and is about 50mA as shown. designs and one of the boards I ordered (based on TI Tas5613) use two JRC NE5532 opa. It might work if you don't absolutely need the JFET input. #3. 5 volts+/-What resistors do I need to change to increase the amplification ? Seller claims 3x as shown and this is too low. Overall balance with new amp is a little darker but with better transients. It may need a small ceramic cap, something around 100pF for the NE5532, in parallel with R3 (10k) for stability at low volume levels. I want to let others know that you can upgrade your storage with a 2TB m. It depends on the circuit. with other opamps. I think I used a NE5532 in my KOT. Aesthetics are slightly refreshed, some Apr 4, 2024 · If loading distortion comes from the current flown, I was also wondering what the ideal output current is for a 5532 distortion wise. (Schematic attached) Running from battery@~14. (all speakers) Running my amp from different wall socket. 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. 3. Check all parameters !! Anyway when using other opamps one must take care for good decoupling. 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. As it is it's unusable due to the noise unless the pot is turned down halfway. A place to discuss effects and pedals! Nov 9, 2012 · - MUSES01 outclasses all the OPAMPs from above when used in I/V stage of a DAC. Going back to the old pair after a few weeks of using these really show how big a difference it is. lv pu bf vy or wk is az ic xu