🔥【PRO SERVICED】Pioneer SX-424 24W Receiver!Phono In~XSTR/CAP/LED MODS💥GUARANTY

$356.36 Buy It Now or Best Offer
free,30-Day Returns

Seller Store mraksports.com
(25551) 100.0%,

Location: Aurora, Colorado
Ships to: US,
Item: 226370481944

Restocking Fee:15%
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:60 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Modification Description:Transistor & FULL LED Lighting Upgrades!
Protection Plan:FREE Allstate 1-Year Protection Plan!
Power (Dynamic):50W @ 4Ω
MPN:SX-424
FREE SUPPORT:MUST BE UTILIZED BEFORE RETURN IS REQUESTED
Audio Outputs:Headphone Jack,Raw Cable Speaker Jacks,Stereo L/R RCA
Modified Item:Yes
Pioneer:Pioneer
Type:Stereo Receiver
Audio Inputs:AUX,Stereo L/R RCA
Number of Channels:2
AM/FM Stereo Receiver:AM/FM Stereo Receiver
FREE SHIPPING:LOWER 48 ONLY. HI&AK must use USPS Priority
Country/Region of Manufacture:Japan
Power:24W (12 W/Ch @ 8Ω); 26W (13 W/Ch @ 4Ω)

Since 1999 Thanks for viewing our listing, please read all the information given! We do our best to honestly and accurately describe all items, but we are only human and it is possible that we may make oversights or errors. If there is any doubt, or contradicting information, please ask first before buying or making an offer.We ask that all our buyers give us the chance to discuss any issues.~~~ By buying this item, or making a Best Offer, you agree to contact us before leaving less than positive feedback, any rating less than 5, or starting a return. ~~~CLICK HERE TO CONTACT US WITH ANY QUESTIONS OR CONCERNS This listing is for a lightly-used Stereo AM/FM Receiver made in Japan by Pioneer! PROFESSIONALLY SERVICED, TESTED & GUARANTEED! Includes Transistor, Capacitor and FULL LED Upgrades, Two Pioneer Speaker Plugs, NEW FM Dipole Antenna & FREE Allstate 1-Year Protection Plan! INCLUDES FREE SHIPPING, SUPPORT & 60-DAY FREE RETURN / REPAIR / EXCHANGE!!** Free LED COLOR CHANGE on Request! Just let us know BEFORE YOU BUY or OFFER and we will switch the current meter color to Blue, AT NO CHARGE!** See what our previous refurb customers had to say! NICE MACHINE!!!!! A+++++ 5 gold star e-bayer all the way Thanks Great seller! Brilliant refurbishing job on an old relic from the 1990s! Fantastic – Went above & beyond to make sure everything was right – yay! Arrived in time and well packed. Great condition and great sound, as described. Awesome amp, shipped very quickly! Also, EPIC packing! Great Ebay seller! WOW great company! Highly recommended. Great communication and service. well packed, arrived safely, works great, looks awesome. Thank you.With their high build quality and impressive performance, Pioneer is recognized as one of the premium makers of high-end equipment for the audiophile since the late ’30’s! Released in 1974, the SX-424 is perfect for those who prefer quality over volume. It retailed for $200, that’s almost $1,500 today!In a handsome package of quality circuitry and reasonable price, the SX-424 offers very sensitive FM reception a wide linear type dial scale for fine FM tuning, and highly respectable specifications both for the FM tuner section and the audio section. It’s versatile unit, too because you can use it with almost all music sources available today, including records, tape, FM and microphone. Best of all it’s Pioneer made, which means that, for its price, there is probably nothing available today that can compare with its quality. This classic receiver has two speaker zones and both Headphone & Mic jacks on the front panel. The tuning dial is complemented with a Stereo indicator lamp and Tuning meter. In addition to the Speaker & Function selectors, it has click-stop Bass & Treble controls and a split Volume for right & left channels, and there are buttons for Stereo/Mono, Tape Monitor and a Loudness button that contours the sound perfectly for low level listening. While the manual gives this a « Music Power » rating of 50 watts @ 4Ω, we prefer to use the more reasonable « Continuous Power » rating of 24 Watts, 12 W/Ch into 8Ω, or 26 Watts, 13 W/Ch into 4Ω through full spectrum with both channels driven. Remember, these are what audiophiles call « Vintage Watts, » from an era where, unlike today, it was a sin to manipulate or elaborate the power ratings!The rear panel offers two speaker zones, an Aux Input, a Tape Loop with the REC/PB DIN jack found in the higher-end offerings of the era, and a stereo Phono Input with a grounding post for your turntables! It also has two AC outlets, switched & unswitched, and user-access to the power & protection fuses. It weighs in at over 17 lbs and measures 17″ x 13″ x 5.5″ tall! NOTE: This receiver uses Pioneers speaker connectors for connecting your speakers to the custom speaker jacks. We are including the pictured pair for using the main speaker outputs, you will need an additional set to use the second speaker outputs. They are available from multiple eBay sellers. By « The Best, Ltd. » policy this unit will be double-boxed for secure shipment. The Free Shipping is for the Lower 48 only, HI & AK must select USPS Priority shipping at checkout! Insurance & Signature are covered on us! Paid items can be picked up in the Denver Metro area at no charge. Condition:This beautiful receiver is in « Very Good » condition with minor signs of use and a nice, bright dial! With a nice, clean front panel, if it weren’t for a ding to the right side panel we would have had no problem calling this beauty « Mint! » All knobs are present & complete, as are the feet and attached AM Antenna & AC cord. The manual has gone missing, but no worries, it’s available online or we will send you the PDF file directly on request. A bonus NEW FM Dipole Antenna is included. Please do inspect all the pictures thoroughly for actual condition.Service:On inspection, this unit was working just some scratchy controls and a few lamps out, so as with all vintage receivers it went to our tech for servicing. First, Pioneer used certain transistors throughout this model that have known issues after 40 years. So, even though they were still working, our tech insists on replacing these transistors as they will assuredly fail some time in the near future. While our tech does not believe in doing a « shotgun » style « re-cap » on most gear made from the late ’70’s on, he does make sure there are no capacitors with detectable or known issues. Pioneer used blue Sanyo electrolytic capacitors throughout this model that are notorious for breaking down, so every one was upgraded. A total of 10 transistors and 6 electrolytic capacitors were upgraded to brand new. high quality parts from Onsemi, Nichicon, Rubycon, etc., no used or NOS components!Just a few lamps were out, but as the rest were most likely going to fail soon all the dial lamps were replaced with long-life LED’s! We installed the new frosted Cool White LED’s we sourced in the dial which shine through the blue dial with better consistently, then a Green LED was chosen for the meter that contrasts the dial beautifully. But if you prefer the original Warm White meter LED that shines through with a blue color just let us know BEFORE buying or sending an offer and we will switch it out for you free of charge! Even the Stereo indicator and hard to replace pointer lamp were upgraded so you won’t have to worry about them ever again. In fact, we weren’t happy with the lack of illumination the unidirectional LED’s give on these pointers, others just resort to using an incandescent. But as longevity is the whole idea behind the LED upgrade, our tech has come up with a custom way to install a 1-segment LED that illuminates the pointer much better. It’s this kind of thoughtful, preventative servicing that makes it smart to buy from a company with an experienced, in-house technician!All vintage receivers receive the following services and much more, all performed by our qualified technician:Lid is removed & unit is inspected to determine if any attempted amateur repairs exist that need to be corrected, or substandard parts that need replacementThe exterior, all knobs & plexis are cleaned & detailedWhile the front panel is removed for cleaning, all attachments are re-glued and dried out foam inserts replaced. All switches & pots are cleaned internally with Specialist Contact Cleaner (proven superior to DeoxIT by our customers), while those with special needs receive the less aggressive DeoxIT F-5All lamps that are out, or believed to be prone to failure, are replaced if necessary. LEDs are used whenever compatibleAny faulty components, or those with known issues, such as jacks, fuse-holders, feet, etc., are replacedAll PC boards are inspected; all questionable solder joints are re-flowedAll electrolytic caps are inspected for bulging or leakage, those that are at risk or have known issues are checked with the Huntron Tracker (allows evaluation while in-circuit so component does not need to be removed). All questionable caps are replaced with brand new parts, not NOS!DC offset is adjusted & channel levels are calibrated & balancedTuner is cleaned and both AM & FM alignedFront panel is cleaned & detailed before reassemblyCabinet is cleaned & detailed, any wood is polished with Old EnglishTesting:After servicing, we set it up on our test bench and it did not disappoint, both channels drove our speakers with the warm, distortion-free signal these analog receivers are known for. All inputs and features were confirmed operational and the tuner spins smoothly. We are in a remote area so we did need to use the included antenna to pull in all our local FM stations with the included wire antenna, activating the tuning meter and lighting the Stereo lamp. Further testing was performed, if there is a specific feature you would like to know more about just let us know before buying. What a great find for the vintage audiophile! **FREE SUPPORT MUST BE UTILIZED BEFORE RETURN IS REQUESTED!Manufacture Product Information:(sample photos) Pioneer SX-424 Stereo AM/FM Receiver (1972-74) Specs courtesy of stereomono.blogspot.com: Amplifier SectionMusic Power Output (IHF): 50 W at 4 Ω; 37 W at 8 ΩContinuous Power Output (1 kHz each channel driven):18 W / 18 W at 4 Ω14 W / 14 W at 8 ΩContinuous Power Output (1 kHz both channel driven):13 W + 13 W at 4 Ω12 W + 12 W at 8 ΩTotal Harmonic Distortion: less than 1% (continuous power output)Intermodulation Distortion: less than 1% (continuous power output)Power Bandwith (IHF): 20 Hz to 45 kHz (8 Ω, T.H.D. less than 1%)Frequency Response: 20 Hz to 70 kHz ±3 dBSpeakers output Impedance: 4 to 16 ΩDamping Factor: 40 (8 Ω, 1 kHz)Input Sensitivity/Impedance:Phono Mag : 3 mV/50 k ΩMic : 6,5 mV/50 k ΩAux : 180 mV/100 k ΩTape Monitor : 180 mV/100 k ΩTape Monitor (DIN) : 180 mV/100 k ΩRecording Output:Tape Rec (Pin Jack) : 180 mVTape Rec (DIN connector) : 36 mVBass Control : -9 dB, +9 dB / 100 HzTreble Control : -9 dB, +6 dB / 10 kHzEqualization Curve (Phono): RIAA standardLoudness Contour: +9,5 dB/100 Hz; +5,5 dB/10 kHz (with volume control set at -40 dB position)Hum and Noise (IHF): Phono : more than 75 dBAux : more than 85 dB FM Tuner SectionRequency range: 88 MHz to 108 MHz [87,5 MHz to 108 MHz, FTZ approved]Usable Sensitivity (IHF): 2,3 µVCapture Ratio (IHF): 3,5 dBImage Rejection: more than 50 dB (98 MHz)IF Rejection: more than 80 dB (90 MHz)Spurious Rejection: more than 70 dB (90 MHz)AM Suppression: 45 dBSignal-to-Noise Ratio: 65 dBHarmonic Distortion:Mono : less than 0,6% (100% mod.)Stereo : less tahn 0,8% (100% mod.)Tuning Indicator: Signal strength typeStereo Separation: more than 40 dB (1 kHz)Sub Carrier Suppression: more than 35 dBNoise Filter: Switchable to On-OffAntenna Input: 300 Ω balanced; 75 Ω unbalancedDe-emphasis Selector: 50 µS (FW model only) AM Tuner SectionFrequency Range: 525 kHz to 1605 kHzUsable Sensitivity (IHF): 15 µVImage Rejection: more than 45 dB (1,000 kHz)IF Rejection: more than 35 dBSignal-to-Noise Ratio: more than 50 dBAntenna: Built-in ferrite loopstick antenna MiscellaneousSemiconductors: Transistors 30, Diodes 24; FETs 1Power Requirements : 120 V 50 Hz; 220 V 50/60 Hz, or 110, 120, 130 220, 240 V (switchable) 50/60 HzConsumption: 90 W maxAC Outlets: 1 Unswitched, 1 switchedDimensions (W x H x D): 431 x 146 x 347 mm (16-31/32″ x 5-3/4″ x 13-21/32″)Weight (net): 120 voltage model : 7,5 kg (16 lb 8 oz)220 voltage model: 7,9 kg (17 lb 6 oz) Specs courtesy of hifiengine.com:Tuning range: FM, MWPower output: 12 watts per channel into 8Ω (stereo)Frequency response: 20Hz to 70kHzTotal harmonic distortion: 1%Damping factor: 40Input sensitivity: 6.5mV (mic), 3mV (MM), 180mV (DIN), 180mV (line)Signal to noise ratio: 75dB (MM), 85dB (line)Output: 180mV (line), 36mV (DIN)Speaker load impedance: 4Ω to 16ΩSemiconductors: 1 x FET, 30 x transistors, 24 x diodesDimensions: 431 x 146 x 347mmWeight: 7.9kg This item has wear consistent with very light use, please see pics. You will receive exactly what is pictured, no accessories, test equipment or media are offered. Please do not interpret our efforts as a thorough testing of all elements this equipment has to offer. If there is a particular test you would like performed please let us know before buying and we would be glad to accommodate any reasonable, detailed request. While we do many adjustments, including DC offset, we do not have the equipment to do full calibration on vintage units like this, and cannot guarantee it is, or will remain after shipment, within manufacturer specs. So we do advise that you protect your investment with a local, professional tune-up before you put this unit into prolonged use. A note about power ratings:Please remember, there are multiple ways to measure output wattage, « Peak, » « Music, » « RMS », « Continuous, » « Maximum, » & « Total » just to name a few. In addition, this value can change drastically depending on the impedance of the speakers being driven. Typically, our title will give the « Total watts » value, while the description will give more detailed information. We suggest you do independent research to be assured you are making informed comparisons when shopping. Internet State Sales Tax: In June 2018, The Supreme Court mandated that all States may charge & collect State Sales Tax on all internet purchases shipped into their state. Many states have begun the process and eBay now automatically charges this tax on checkout. Your seller has absolutely nothing to do with this process and receives none of these funds! As of Dec, 2020 the following states charge, or plan on charging, State Sales Tax on all orders shipped to their state. AL, AR, AZ, CA, CO, CT, DC, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NM, NV, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, and WY. More states will surely be added to the list. For questions or more info please contact eBay, or your local State Dept of Revenue. Important Information: This item is guaranteed to be as described! Only what is pictured is included, no other items are offered unless otherwise specified with « not pictured ». The « Item specifics, » « Detailed item description, » and « Manufacture information » sections describe the item as it comes new from the manufacturer and may contain accessories or other features not offered in this listing. Remember that description terms can be subjective, so please rely on the pictures provided for actual condition. Buyer understands that there may be issues unknown to us at the time of testing or inspection, and accepts this possibility when buying.If our listed BIN price isn’t within your budget please don’t hesitate to send us a reasonable offer, no more than 20% below our current price, and we will get back to you right away! Please understand that any offer made & accepted is a binding agreement with the agreement that payment will be made immediately. Please also remember that we are not just flipping random finds, so we do not haggle. We offer thoughtfully sourced equipment that deserve the hours of specialized servicing and/or testing they have received, so please respect any « Best Price » offer you may receive as an effort to save both our time with a fair, final price.Buyer pays actual shipping cost as calculated by eBay.* If this is a Free Shipping listing then all offers also include that Free Shipping!** * We package all items very carefully, which means the outer box can be very large. Because of this UPS bills us by « dimensional weight » instead of the actual weight! From our previous feedback you will find this care, and expense, is much appreciated. **Free Shipping it is for the lower 48 only and the shipping method may vary. We DO NOT guarantee compatibility or specific usage, please make sure this is what you need before buying! While we do have extensive experience in repair & refurbishing audio gear, we are not experts in the usage of this equipment or the various applications that exist. So we can only guarantee that this works as described and has what is pictured. If specific parts, devices, upgrades, software or expertise is required for use it is entirely the responsibility of the buyer. Please read our Policies below before buying. Any bidders, buyers, and offers, agree to the terms of these Policies.The Best, LtdThe internet’s most trusted source for Professionally Refurbished Vintage Audio Equipment!By buying from The Best, Ltd., you agree to contact us directly before leaving less than positive feedback, any rating less than 5, or starting a return.All items ship within one business day of payment being processed!Payment Policy All buyers agree to make immediate payment, or contact us within 24 hours to arrange payment where we must receive payment within 3 days. All Best Offer sales are made or accepted with the understanding that payment will be made immediately. Any transaction that does not meet these requirements is subject to substitution or cancellation. All payments must have a valid shipping address as the Confirmed address, any invalid payments will be refunded and may be subject to a processing fee that will be deducted from the refund amount. UPS & FedEx do not ship to PO Boxes, so if you are including a PO Box as your Confirmed shipping address you must select USPS as your shipping service. The minimum amount due on any unpaid auctions will be the 15% refund/restocking fee as outlined in our Return Policy. Shipping Policy The Best, Ltd is an Internet only company, will call is not available. In some circumstances we will allow pick-up on paid items, but this must be arranged before buying. Domestic packages ship UPS or USPS, if available, tracking # for all packages shipped from our facility will be supplied through eBay. Rush shipping service is available, contact us for rates. The Best, Ltd will not ship packages COD, payment must be received and cleared before any item is shipped, sorry no exceptions. Items must be shipped to the address provided with payment, sorry no exceptions. Per eBay Policy, all orders valued at $250 or more may be shipped with the « Signature Required » service added at no charge. Shipping rate is calculated by eBay using the appropriate shipper’s published rates. USPS rates are for domestic shipping only, UPS rates are for the lower 48 only, NO PO Boxes. Please contact us for shipping rates outside these areas, including Hawaii, Alaska, Guam, Puerto Rico, any other U.S. Possessions, and all international addresses including Canada. If auction states Free Shipping, it is for the lower 48 only and the service used is at our discretion. All shipments will be processed within 1 business days of payment whenever possible, if stock issues cause a delay the customer will be notified and alternate shipment will be arranged. If delivery cannot be completed to the address provided, the customer is responsible for any charges incurred by return or re-delivery. The Best, Ltd reserves the right to refuse any re-delivery attempts at their discretion. The item will be considered a returned item and a refund, if any, will be issued as outlined in our Return Policy. As The Best, Ltd always insures all packages, the shipping company takes full responsibility for lost or damaged packages (excluding incidents of inclement weather or natural disaster) so an eBay Return must NOT be started. You agree to cooperate with any insurance investigation, which must be completed before repairs are made, or any replacement or refund is sent. All damaged items must be returned for inspection unaltered, with all the exact same original packaging. As a courtesy, The Best, Ltd will file and pursue your claim, but we will not be held responsible for any delays or denied claims. International Information NO INTERNATIONAL BUYERS PLEASE! NO EXCEPTIONS! If you are not in the US, and use a Forwarding Shipper to send your item outside the US, all guarantees and return offers are immediately voided! Return Policy Our Free Support MUST be used before any return is requested, for any reason! Item can be exchanged, new items within 30 days, used items within 14 days, if defective or not as described, full refund of purchase price if exchange is not available. If due to seller error: The Best, Ltd. will issue a pre-paid return label, or make pre-arranged reimbursement for return shipping expenses on returns completed per this policy. Return shipping cost is not to exceed original shipping cost. For any other reason, including « No-contact returns »: Purchase amount less original shipping cost and a 15% refund/restocking fee refunded. If original shipping was included the actual shipping cost will be deducted from refund. The returned item may need to be inspected before fault is determined. Returned item must be received before a replacement can be shipped or a refund issued. Item must be in original, unaltered condition with all original packaging. Electronic items cannot be opened or tampered with, sealed items must remain sealed, « Mint » items must remain « Mint. » No returns will be accepted unless we are first contacted for Free Support / Troubleshooting / Evaluation! Disputes and Feedback In order to provide us with an opportunity to resolve any outstanding concerns to your complete satisfaction, please contact us before posting any negative or neutral feedback. If negative or neutral feedback is posted before contacting us, the erroneous feedback issue must be resolved before any further action is taken. By buying from The Best, Ltd. you agree to abide by the conditions posted in the listing, all The Best, Ltd. policies, and the rules and policies of the venue. In addition you agree to settle any and all disputes in third-party mediation venue. All Claims between the parties must be resolved using the dispute resolution mechanism posted. Should the buyer file any action contrary to this, or the should buyer’s actions require The Best, Ltd to enter litigation, The Best, Ltd can recover any and all attorneys’ fees and costs from the losing party. Title & Listing All buyers must read the entire listing before buying! eBay limits the amount of information that can be put in the listing title,n and « Condition » section, therefore the buyer must read the actual listing description to understand what they are buying. We cannot be responsible for any misunderstandings that occur because the listing, or Return Policy, was not read completely. If there are any contradictions or unclear information, the buyer must ask for clarification before buying. It can be difficult to actually view the entire Seller’s Description when using a Mobile device, so the first thing you will see in the « Seller’s Notes » is « Viewing on your phone?-Scroll down & & tap the Title for the Full Item Description! Mobile devices offer limited viewing options and restricted access to full information. We strongly recommend using your PC when contemplating a higher-value purchase, so you are able to view all the pertinent info.

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