I replaced the remaining transistors Q5-Q8 and Q9-Q12 with the recommended replacements per SuperNoobs excellent SX-850 rebuild thread. action pact Music Omnivore Thread Starter. RMS, at 8 ohms or 85 watts per chan-. 0 bids. 4 positive feedback. Reactions rulnacco. I have a SX-1050 and a SX-980. Table of Contents. Brand Pioneer Tuning range FM, MW; Power Output 65W into 8 (stereo); Frequency Response 10Hz to 50kHz; Distortion 0. User name deleted. com parts numbers during checkout, first class mail shipping becomes available for about 4 bucks. Sure theres the Sansui G33000, the Kenwood KR-9050, Marantz 2600 and the. The Pioneer SX-838, released in 1974, features a combination of excellent sound quality, power, and classic design. Pioneer SX-850 SX-950 Jumper Plug Part AKM-004. When you close the relay by hand i get good sound. I am a minimalist as far as recapping, not a. No Interest if paid in full in 6 mo on 99. Depend on Pioneer to provide the latest electronic advances and the SX-838 stereo receiver is a perfect example. I have recently obtained a mint condition Pioneer SX-850 for 70. i bought my 2238B on ebay for 80. Factory Certified Technician. If of interest, an electronic copy of the Operating Instructions for this model is HERE. Ch bias issue. Set FM MUTING switch to OFF. hi, thanks for getting me addicted to these old receivers. Used Excellent. It does make the units a little cumbersome to. SX-850 delivers. The notion that it was totally restored, at that price, was too good for me to. action pact Music Omnivore Thread Starter. My husband was with me because he had to carry it in the place because of the weight. 2uF 25v CSSA 647-UKL1H2R2KDDANA 2. I tried tweaking the Power Amp wo using the 5. Jun 18, 2023 The SX-850 sells for around 500-1000 while the SX-880 comes in at around 300-600. Hi Guys. 1 Damping factor 25 Input sensitivity 6. Thoughts on where I should begin troubleshooting would be great. I just pulled the trigger on ebay and bought a fully-restored Pioneer SX 850, 700. 2uF 25v CSSA 647-UKL1H2R2KDDANA 2. Im looking for some suggestions for bookshelf speakers to pair with the vintage Pioneer SX-780 I recently added to my media room. 00 80. This model was in the upper end of the quality range and sold well. Pioneer SX-850. FM Muting. I have a Pioneer SX-850, and as good as it sounds with my Music Hall MMF-7 which is quite good, the turntable sounds much better with my Lounge Audio mkIII LCR Phono Pre Amp. How To Guides; Service Manuals; Restoration Kits; Wood Cases. Bass Treble tone controls. pioneer sx 850 cleaning. Pioneer USB Stereo Receiver Home Audio Receivers. Power Supply and Protection Of Power Amplifier. 00, so any help from the vast knowledge base here would be MOST appreciated. Pioneer SX-850 Vintage Receiver - Quick Review and Test. 2 Kg). When I eventually get some decent vintage speakers, if it's feasible, I'd like to use these for the front L&R, rather than have the 5 surround speakers plus 2 stereo speakers all in the same room. Pioneer SX-780 Stereo Receiver. Connect FM signal generator through 300-ohm dummy load to 300 ohm FM antenna terminals. 00 BC Aug 01, 2023 2 FOR SALE Pioneer sx 850 Stereo Receivers 750. 2 Kg). Where you need to watch out is when you drive another pair of speakers simultaneously, you don&39;t want to drive two 4 ohm. It was produced from 1978 up until 1980. what i need is step by step instructions on how to remove the faceplate including how to remove all knobs,switch lever knobs and push switch. Pioneer SX-737 rebuild restoration recap service kit fix repair capacitor. 00 10. The Vintage Pioneer SX-850 Stereo Receiver is in excellent condition inside and out. wiseguysps (1,182) 100 C 91. The SX 850s impressive width and weight would have served to give it a noticeably prominent position on any Hi-Fi rack or piece of furniture. Pioneer SX-850. ng Tone Controls Plus and its the o to a t time the PM High Selectivity by aging Detector and MPX A tM'dge of FM i' it Reduced t. It belongs to the Pioneer SX line that includes the SX-1010, SX-939, and SX-838. Jun 26, 2021. Buyer pays for return shipping. Today were showcasing the restoration of a customer Pioneer SX-850 Receiver. The FM section isn&39;t bad but I am used to my Pioneer TX 9100. For a basic high quality starter I would go with the SX-850 or SX. Weight 31. Brand New. now it just blows fuses. View and Download Pioneer SX-850 operating instructions manual online. Pioneer SX-850 Receiver Protection Circuit Board Part AWM-062. Apr 6, 2021 SN YE3607162S. Stereo Receiver Pioneer SX-850 Manual. pioneer pioneer sx850 pioneer sx950 power supply board relay sx850 sx950 vwong688 New Member. To its credit, the SX-1250 offers a marginally better FM section than the SX-850. Also See for SX-850 Operating instructions manual (39 pages) , Manual (32 pages) page of 30. Experience a blend of classic design, powerful performance, and superb circuitry that promises to meet all your musical needs. Receiver has had all electrolytic. Bought it new and it ran a pair Epicure 50's. When you close the relay by hand i get good sound. Hi and welcome to JustAnswer; an independent site with members providing product information, repair tips and technical assistance as a form of paid Q & A service. Cleaned tuner. The SX-850 responses will be VERY different, and interfere with the SX-750 thread. Dec 19, 2016. Nearly double that at 4 ohms. Clicking a link to eBay may result in a referral commission being paid if a purchase is made. 50 Shipping. It produces 60 watts per channel into 8 ohms with no more than 0. The SX-850 is very closely akin the SX-950 short of the stepped up rails and driver compliments. Amfm stereo receiver (32 pages) Stereo Receiver Pioneer SX-82 Service Manual. Pioneer SX-850 SX-950 Jumper Plug Part AKM-004. It is very clean, no obvious problems. Price US 190. After the power supply was done, I powered it up and success Speaker relay clicked in. Free Shipping for many items. Stereo Receiver Pioneer SX-850 Manual. However, in real world situations, you&39;ll be. Manufacturer Pioneer Model SX-850; Type Receiver Years of manufacture 1976 - 1978; Made in Japan; Color front silver, wooden cabinet; Remote. The SX-850 marked the introduction of the silver on silver design that typified Pioneer&x27;s receivers in the late 1970s. It has the tradition mid to late. Checked Bias and again Rt Ch not getting below about 180mV. It delivers a continuous power output of 65 watts per channel into an 8 ohms load from 20 to 20 kHz with no more than 0. 75 x 5. Jefft60172; Mar 7, 2016; Pioneer Audio; Replies 1 Views 295. The 850 is a special piece to me, as it was my very first "real" receiver. Marantz has a darker, more mellow tone in the midrange and high end with a warmer bottom end. Table of Contents. Feb 5, 2010. 00, so any help from the vast knowledge base here would be MOST appreciated. Hi, Going to put new filter caps in an sx-850, it&39;s got a hum. Continuous power output of 65 watts per chan-. The unit is very nice. I plugged it in, and unfortunately, I got no sound. The SX-650 puts out 35 watts per channel in to 8 ohms and was designed and marketed for those with an average sized listening room and who wanted good value for their money. New Listing Pioneer SX-980 AMFM Stereo Receiver. 85wpc 4ohms. One drawback of the Pioneer SX-1080 is. This model was in the upper end of the quality range and sold well. Yes, the SX-850 will have no problem driving a pair of 4 ohm speakers. I live on LI, NY. Musical instruments with great detail and purity. The concept of an all-in-one control unit that included tuner, preamp, and power amplifier had originally been invented by the American Harman Kardon corporation during the 50s. Bought it new and it ran a pair Epicure 50's. It sounds very powerful and rich. To recap, order 140-MLRL50V. Oct 12, 2018. Location Sayreville, NJ 08872. Step back in time with this 1976 iconic audio piece. The 1050 is a beast, and has the edge over the 980 at the low end, but they sound very similar and aesthetically I prefer the xx80 series with black meters. Pioneer SX-535 1975 - Brilliant Silver AlumnWalnut cabinet. This may have happened several times with the phono repairs. They had to sell it, as the 1977 models were going to brushed aluminum face. And of course, the speaker switch assy boards are different; with the 950 having 3 vs the 850&39;s 2. 2 Kg). Youll notice that the meter faces are black instead of white to improve the legibility of the analog meters. Save Big on new & used Pioneer SX from top brands like Pioneer, Marantz, Kenwood & more. Get approx. Read or download the pdf for free. Today we unbox a Pioneer that has been in storage for almost 40 years, and has been around the world and backWant the best in Home Audio & HiFiVisit our st. I replaced all of the capacitors with new Nichicon units of. The tuner is much more sensitive. SX-850 delivers. How To Guides; Service Manuals; Restoration Kits; Wood Cases. I got this receiver about 5 years ago and I remember recapping it and cleaning it. If you have read any of my threads, you probably know that I am an absolute sucker for the Pioneer SX-xx50 line. I'd love to try a nice headphone amp with these. There was a couple times that I. I have an SX-850 in my collection which had a light restore in the crucial areas of where these go wrong but still mostly original and performs really well. For this no need registration. But it saves you money by leaving the frills to more expensive units, concentrating Instead on real preamp performance - such as including a super-quiet phono equalizer with - 0. The supply starts at pins 4 and 5 on the PS board. And of course, the speaker switch assy boards are different; with the 950 having 3 vs the 850&39;s 2. A FET in the Tone Control section, plus a 2-step frequency turnover switch for Bass and another for Treble, 2-deck monitordubbing, 2-system speaker drive, separable premain and more, mean. The service manual is very clear about how to set & measure and was followed precisely. 99 Shipping. Reviewed Aug 28th, 2021 by. 625w 40-340hfe 200mhz. Used Excellent. Pioneer SX-737 rebuild restoration recap service kit fix repair capacitor. 1; Damping Factor 25; Speaker Impedance. Power Amp Board. Specifications Tuning range FM, MW Power output 65 watts per channel into 8. it looks great in all silver with blue lights it sounds amazing. The SX-1050 incorporated a large toroidal transformer, a huge power supply with step-start circuit and. It was largest receiver Pioneer ever built, measuring 22 inches wide, 19 12 inches deep and 8 14 inches high. The higher end SX-x80 models, most notably the SX-1980 had. The Pioneer SX - 850 is a high power AMFM stereo receiver with super-quiet phono equalizer and outstanding FM selectivitysensitivity. Pioneer SX-780. Price US 190. Mar 7, 2016. Open it up and do a visual inspection of the power supply board-look for signs of burnt components, bulgingleaking capacitors and the same for the 2 main filter caps. The same holds true when I run the MMF-7 through my Luxman L85v integrated amp. This is on thr Direct Coupled Amplifier sx50 Continuous power output of 65 watts. View and Download Pioneer SF-850 operating instructions manual online. Have a nice Day See related repair forum topics. Learn more. Jan 1, 1970. Har gennemg&229;et en 35 timers restaurering af fagkyndig. 85 W rmsch. Transistors, caps, etc that will improve it or prevent problems coming up once its in daily use again. Where you need to watch out is when you drive another pair of speakers simultaneously, you don&39;t want to drive two 4 ohm. At the secondary of the power supply I. Rediscover the charm of vintage audio with the fully restored Pioneer SX-850 stereo receiver. How To Guides; Service Manuals; Restoration Kits; Wood Cases. 1ohm resistor and my speakers make a loud humming sound when turned on (without any music connected) and a loud popping noise when I turn the stereo off. While it may not necessarily be considered a Monster receiver it is close. I just took ownership of a beautiful Pioneer SX-850 today. The SX-850 looks almost like an SX-1250, whereas the SX-880 is much more closely related to the lower SX-780 than the SX-980. 25 8 product ratings. wiseguysps (1,182) 100 C 91. When I bought SX-750, the guy also has a SX-850 on sale which cost twice as much as 750. An sx850 is a nice enough unit that its worth the investment to take it to a proper tech who can make the adjustments and repair if necessary. pioneer pioneer sx850 pioneer sx950 power supply board relay sx850 sx950 vwong688 New Member. The Full Wave Centre tap rectification was replaced with two robust, Ultra-Fast low switching noise On-Semi MUR TO-220 rectifiers and a WIMA polypropylene bypass. It delivers a. Learn about the Pioneer SX-850, a classic receiver from the 70s with mid to late 70s styling, quality build and above average performance. The SX-980 was a step up in terms of power over the SX-850. It was manufactured from 1978 through 1979. What a great resource Anyway, I've been seriously considering replacing most of my recent-era system with vintage pieces from the 70s, and I've narrowed my. Stereophilus Maximus. I cleaned all dust out of it and checked all the fuses with a ohm meter, all good. Pioneer SX-850 Speaker Terminal Connection. Marantz 2238B vs Pioneer SX-850. You can then run all four speakers from the power amp, or you can choose to run one pair from the power amp section of the 850 and one pair from the second. The back of the SX-750 is interesting as it has a protruding base on which the input and output connectors as well as the speaker outputs are located. q1 2sd313 to-220 npn bce bce 60v 3a 30w 40-320hfe 5mhz. This may have happened several times with the phono repairs. All lights light up, tuner works, but no sound at all. Intermodulation Distortion (IM) 0. My question is I just bought a pair of Jbl L100 Century speakers. Vintage Pioneer SX-850 Stereo Receiver - 65 Watts Per ChannelFully tested and 100 functional; this classic receiver was also just gone over by our stereo tech. The Marantz has a lush sound. I was having issues with my SX-850's relay cutting in and out. Pioneer SX-780; Pioneer SX-838; Pioneer SX-850; Pioneer SX-9000; Pioneer SX-939; Pioneer SX-950; Pioneer SX-980; Sansui; Resources. I got this receiver about 5. PIONEER SX-850 SX850 SX 850; If you have any question about repairing write your question to the Message board. This unit has just been serviced and is fully functional and the wood case is in fantastic shape as well. Also See for SX-850 Operating instructions manual (39 pages) , Manual (32 pages) page of 30. Jefft60172; Mar 7, 2016; Pioneer Audio; Replies 1 Views 295. Hum and Noise. Pioneer SX 850 - Noise when no input selected. It was initially introduced in 1976 and made through 1978. I think the Pioneer SX-880 is a souped-up model of the SX-780. 99 USD. Completely gone through and checked. 00 shipping. It is very clean, no obvious problems. Its the big brother to the SX-3800 and was introduced in 1980 at a retail price of about 800. Find out its features, history, value and how to restore it. The build quality is similar between the two, but the 850 has more material in addition to the higher wattage. Hum and Noise. Shop our extensive selection of products and best online deals. per Chan. Bass Treble tone controls. 00 shipping. PIONEER SX-850 SX850 SX 850; If you have any question about repairing write your question to the Message board. But when I go to set bias the trimmers (new Bournes) do not adjust properly. Once the Pioneer SX-1010 broke the 100 wpc barrier, the floodgates opened. It produces 60 watts per channel into 8 ohms with no more than 0. Reactions rulnacco. Electron Rancher - JS3600. It sounds simply amazing on our restored ADS and Dynaco speakers. 1 amp and connect these to the aux in on the. 00 shipping. by KentT &187; 11 Dec 2017 1532. As an example the Pioneer SX-850, which the SX-880 replaced, weighed 42 pounds (19. Correct me if there are others in this receiver, but those are the ones I know about. I got this receiver about 5 years ago and I remember recapping it and cleaning it. Since 1982. Marantz; McIntosh; Latest. Youll notice that the meter faces are black instead of white to improve the legibility of the analog meters. Brand Pioneer Tuning range FM, MW; Power Output 65W into 8 (stereo); Frequency Response 10Hz to 50kHz; Distortion 0. Dimensions 526. But I found both Pioneers to have better bass and a more accurate sound. Wednesday nights are reserved for Latin jazz percussion performances. Vintage receiver i h&248;j kvalitet fra Pioneer model SX-850. All functions work 100 with no scratchy pots, hum, hiss or any other funny stuff. cabinet has mark on top which go unnoticed. Receivers; Turntables; Gear. About This Listing. Everything good, powers up, relay clicks, lights work. Pioneer SX-750 Service Manual (80 pages) AMFM Stereo Receiver. I cleaned all dust out of it and checked all the fuses with a ohm meter, all good. Then two fuses near 25 and 26. I replaced the resistor on my protection board and put the diode on, and it solved one problem. action pact Music Omnivore Thread Starter. It may have just been old and tired. But I am waiting to hear back on the four capacitor&39;s parts numbers, from someone in the know on pioneer caps. The SX-880 is significantly different from the SX-850, the 850 is a toned down SX-950 whereas the SX-880 is a souped up SX-780. 625w 40-340hfe 200mhz. All lights light up, tuner works, but no sound at all. For this no need registration. A couple other SX-3000 series receivers also had European variants in the SX-620, SX-720. 2uF 25v CSSA 647-UKL1H2R2KDDANA 2. Have a nice Day See related repair forum topics. boone jobs, craigslist austin cars and trucks by owner
The 1A bridge rectification was replaced with a. . Pioneer sx850
This receiver was offered by Pioneer from 1976 through 1977. AWH-059 C2 2. 22 at 0. There is a variant of the SX-3700 labelled the SX-820. 140-XRL10V330 at 0. It has a very robust power amp section with 8 TO-3 output transistors (4 per channel) and driving a single pair will not be a problem. Posted Dec Mon 30, 2013 301 am. First I tried them in my den system hooked up to a Pioneer SX-850 where its a mix of TV and music use. 08 each 0. Mar 20, 2021 If the resistance (or impedance) is low enough the &39;ground&39; currents do not create a noticeable voltage drop. After reinstalling the board into the chassis and firing up the receiver again, it sounded GREAT, but the audio is still very low. Re New Integrated Amps Sound As Good As Pioneer SX-850. Bronx Pioneer SX890. 00 shipping. The knowledge here has been invaluable, and wouldn&39;t have been able to do it without it) Got through all the boards except the power amp. The supply starts at pins 4 and 5 on the PS board. Learn more. what i need is step by step instructions on how to remove the faceplate including how to remove all knobs,switch lever knobs and push switch. Sansui and Pioneer Freak. 4 shipping when combined. This is a beautiful piece of vintage equipment. That's a beauty. The feed is shorting to the chassis somewhere. Sx 315 pioneer. It delivers 50 watts per channel into 8 ohms with 0. 85wpc 4ohms. Pioneer SX-780; Pioneer SX-838; Pioneer SX-850; Pioneer SX-9000; Pioneer SX-939; Pioneer SX-950; Pioneer SX-980; Sansui; Resources. 13 Units covered, with specs and photographs, include Pioneer SX-1250, SX-1050, SX-950, SX-850, SX-750, SX-650, SX-550, & SX-450 AMFM Stereo Receivers;. Actually, one day I plugged it in and the relay. Top Rated Seller Top Rated Seller. I powered it off, and tried turning the volume all the way down, same popping. Set FM MUTING switch to OFF. Today we unbox a Pioneer that has been in storage for almost 40 years, and has been around the world and backWant the best in Home Audio & HiFiVisit our st. I have an SX-850 in my collection which had a light restore in the crucial areas of where these go wrong but still mostly original and performs really well. Oct 20, 2011 Pioneer SX-1050. One was an AWR-101 or the AWR-102. All functions work 100 with no scratchy pots, hum, hiss or any other funny stuff. 1 total harmonic distortion. After the power supply was done, I powered it up and success Speaker relay clicked in. Actually, one day I plugged it in and the relay. Connect FM signal generator through 300-ohm dummy load to 300 ohm FM antenna terminals. The price increased slightly to 750. Both amps date from 1976-80, so like you I enjoy that vintage sound, but for the phono pre. We specialize in Vintage Marantz, Pioneer, and Sansui. Home The Archive Pioneer. Sx 315 pioneer manual operation manual and receiver remote read more. 4 positive feedback. The volume and tuning knob have a hex set screw that needs to be loosened before you can remove the knobs. The supply starts at pins 4 and 5 on the PS board. The back of the SX-750 is interesting as it has a protruding base on which the input and output connectors as well as the speaker outputs are located. Actually, one day I plugged it in and the relay. theo sx-850. Pioneer SX-780 Stereo Receiver. Sep 3, 2018. 4 shipping when combined. action pact Music Omnivore Thread Starter. So I know one option is to use the front L&R pre-amp out connections on the 5. Before listing, all potentiometers , switches cleaned with Deoxit d5. I have a SX-1050 and a SX-980. Stylistically, it was the top of Pioneers 30 seriesthe SX-434 through 939but the 1010 stood on its own, both in model nomenclature and in its place in audio history. I replaced the remaining transistors Q5-Q8 and Q9-Q12 with the recommended replacements per SuperNoobs excellent SX-850 rebuild thread. Pics here, here, and here. Pioneer SX-850 SX-1250 SX-1050 SX-950 Stereo Receiver Parting Out Meters AAW-040. I have. This is a short video of my Pioneer SX-850 Receiver. For parts in The USA www. The supply starts at pins 4 and 5 on the PS board. Weight 19. I have. Nov 16, 2009. Yesterday I brought home a super-clean Pioneer SX-850 from a CL seller. Feb 2, 2010. I cleaned all dust out of it and checked all the fuses with a ohm meter, all good. Power Amp Board. I removed the bonnet and base plate and checked power supply board voltages - all within 0. pdf 5051 kB 2 Pioneer hfe sf-850 schematic en hfepioneersx-850hgsserviceadden. The SX-650 puts out 35 watts per channel in to 8 ohms and was designed and marketed for those with an average sized listening room and who wanted good value for their money. PIONEER SX-750 STEREO RECEIVER REPLACEMENT PRE. The "ping" you hear is the speaker relay cutting out. Pioneer Complete 1977 Catalog. 2dB RIAA equalization accuracy. Never heard a SX-850. i have no experience or background in audio or anything so ive got no clue whats. 95 when it debuted and was a fairly popular model. 99 USD. Pioneer SX-650 Stereo Receiver 1976 - 1977 - Silver. pioneer sx 850 cleaning. For parts in The USA www. The part numbers for C1 & C2 have an extra "E" and the part numbers don&39;t match the description. The parts are on the phono amp board, labeled awf011. No login, no charge and no limit. Pioneer SX-950 Stereo Receiver 1976 - 1978 - Silver. The Pioneer SX-780 was one always one of my favorite models when I was growing up, as it has struck the "Sweet" spot in Pioneer's heralded SX-80 Series back in the late 70's. The transformer for the 950 is an ATT-265 and the SX-850 is an ATT-302. Dimensions 19 x 6 x 14. 85 vs. The toggle all pull off and the push buttons come off once you remove the faceplate. This is the stylish Pioneer SX-950. all channels working. Retro Stereo Receiver - Pioneer SX-780 - Vintage Audiophile. 4 shipping when combined. Pioneer SX-880 COMPLETE Rebuild Kit High-Quality Receiver Recap Set w Relay. This is the elusive vintage Pioneer receiver model SX 850 in excellent condition Please zoom in to see its condition. I need the extra bit of power as it&39;s powering my ADS 810s. Checked Bias and again Rt Ch not getting below about 180mV. Pioneer SX 1250 SX-1050 SX-950 SX-850 SX-750 Signal & Tuning Meters AAW-040. When fully upgraded, if it wasn't for the power level, you'd think you were listening to an SX-1980. your controls wont work on the receivers, you will need a PrePro to drive your 3 amps. 2uF 50v. It was built to handle large speaker systems and deliver clean, distortion-free sound at high volumes. Pioneer SX-950 lampkit bulb birnen EuroMAXX 34 38 May 8, 2023. Both share Power supply, Protection, Tone amp, Flat amp, and Phono boards. Power output 65 watts per channel into 8 (stereo) Frequency response 10Hz to 50kHz. Yesterday at 525 PM 1 Hi, There are lot of things going on on this SX 850 I am trying to restore. Set FM MUTING switch to OFF. This part number (ECW-FD2W684KB) is a 0. 85wpc 4ohms. There is a variant of the SX-3700 labelled the SX-820. The SX-880s dimensions are 19 x 12. Pioneer SX-1050 Stereo Receiver 1,614 31 Mar 8, 2021. wiseguysps (1,182) 100 C 91. Add to cart. The Pioneer SX-850 is a high power AMFM stereo receiver with super-quiet phono equalizer and outstanding FM selectivitysensitivity. Excellent condition, near mint. Pioneer SX-850 Complete LED Lamp Replacement Kit - Warm White 28 47 Feb 4, 2021. Amfm stereo receiver (30 pages) Stereo Receiver Pioneer SX-838 Service Manual. 25 lbs. It has the tradition mid to late. Nearly double that at 4 ohms. Set DUPLICATE switch to OFF and connect AC voltmeter to TAPE 2 REC jacks. 6 x 173 x 411. Post subject pioneer sx-850 vs. It only produces 20 watts per channel and has minimal features. Question about SX-850 Output Transistors. One was an AWR-101 or the AWR-102. Total harmonic distortion 0. a differential amplifier at first stage. . statesboro jobs