The PSW111 represents a continuing refinement of the highly regarded PSW Series and a great introduction to visceral home theatre bass performance. 1- 400v polarized 150uF capacitor (big one), 2 - 63v polarized 47uF capacitors (the differently colored ones), update: It seems like you may only need to replace the. Eh, not sure I want to spend the money. PSW Series subwoofers blend perfectly with systems made up of other Polk Audio loudspeakers, such as TSI, RM and R/T/M Series speakers. Which makes me wondering is JFET is the failing part...I started looking at the JFET since the capacitors measure within 20% below the nominal. Going to be diagnosing my red led on at all times, psw-505. THANK YOU SO MUCH FOR THIS!I had a periodic hum coming from the subwoofer. 47uF 63V capacitors, thanks to detailed investigation by Craig Brown (See comments below for details). Our reviewer recommends it … :). Unique driver materials, speaker geometry and construction techniques produce clean, crisp sound and effortlessly big bass, especially when you need it most. Disconnect the woofer from the circuit board (the pins are labeled so you don't need to worry about taking a picture yet). Also would this help to identify which component has gone bad? Excellent speaker. Not that the PSW111 … Also, all but the large power supply capacitor (C24) were all out of tolerance. State-of-the-art optimizations to the motor structure, voice coil alignment and suspension ensure the best, most efficient performance at all volumes. Wanna add to this post that replacing the Caps with new ones fixed my subwoofer that would work intermediate and would also generate ghost noise even with no input signal.I replaced2 - 47uF/63v polarized capacitors2 - 47uf/50v polarized capacitors (actually I used 47uf/63V. If you look at mrfxr link I think they're circled, hey guys. does any one still have one of this PSW111 amps? I normally connect it using the LFE input, but I tried connecting using the the speaker terminals and it seems to be working this way. AU $409.95 +AU $8.95 postage. So far so good (ok it's only day 1) but glad I can still use it without the heartbeat. About this item: > ULTRA-COMPACT POWERED SUBWOOFER FOR EXTRA PUNCHY BASS – An 8" Dynamic Balance woofer, specially-tuned downward-firing port & on-point speaker geometry helps deliver accurate bass with added depth that pumps up your movie, games and music experience > LOUDER CLEARER SOUND EVEN AT EXTREME … Experience the strongest bass in one of the smallest subwoofers you’ll ever find. Strong, powerful bass inside a low-key subwoofer, Connects easily to any system with pro-grade, unfiltered LFE, line and speaker inputs, Unique design keeps the PSW111 stable, steady and power efficient, even at extreme volume levels. per my recent blog post I bought one of these: https://www.amazon.com/dp/B07C5LC486/ref=as_sl_pc_tf_til?tag=thehesiod0e-20&linkCode=w00&linkId=251a20fd9aa7303aa984e7126700857e&creativeASIN=B07C5LC486 for testing out caps and it works well, and pretty neat at that :), Really solved. Polk PSW111 Powered Subwoofer Reviewed Although Polk is known for high performance but affordably priced loudspeakers, this is one of its lower priced models. Great post! Disconnect the unit from power and your stereo system, Open the back of the unit, there's like 20 screws (for good reason as the thing would shake itself apart otherwise). does anyone else have this? Does anyone have a link to these capacitors at an online store? Experience the strongest bass you'll ever feel in one of the smallest subwoofers you’ll ever find. The FET Q340 on the pre-amp board was shorted, I used a NTE451 FET. There are few 8 inch subwoofers on the market that take up less space than this, and they are all either lower quality, or vastly more expensive. I used a desoldering gun to remove the capacitors, however many of the legs were still difficult to remove as the solder tended to stick to the legs. I don't want to destroy the finish while getting to a relatively easy repair.ThanksDoug. Eeeek! i have one question. i need to know the resistor on R57 and both on R56 on the amp board, mines are blown and cant read the writing on them.best regards. I'm having the same problem on my PSW110. The driver itself seems to work connected to another amp. The PSW111 packs all the power of Polk Audio technology into just a little over a square foot. It is not on the power supply/amplifier board. Aluminum Electrolytic Capacitors - Radial Leaded 63volt 47uF 6X11.2mm LS:5mm Ammo Crimpwww.mouser.com/ProductDetail/Panasonic/EEU-FR1J470B/?qs=sGAEpiMZZMtZ1n0r9vR22WPtSjuqjALiCJqiTmsA8Ko%3D, https://www.digikey.com/product-detail/en/EEU-EB1J470SB/P19619CT-ND/6109517?utm_medium=email&utm_source=oce&utm_campaign=2533_OCE19RT&utm_content=productdetail_US&utm_cid=898613&so=59334401&mkt_tok=eyJpIjoiTURZeE1UQXlaV1kxTWpNdyIsInQiOiJ4Z1RpXC9SdzViTDF6dmhoREE4alowdFlvbXkrK3FlUlZPQnY2SDRBclB3Mjdmc05wdzdEaFRlejFuTG9JYkUrbzdxS1BhUDZuTjVoNThUYURHbWNmMmlyVnc3cWY0U2lHN3ZkWXFlUjlnc0ZGSDE0OE5EZUxcLzZIT2xLY1wvS0Q3WCJ9, Full details with links for parts here: https://mrfxr.com/polk-subwoofer/. AU $204.50 3 bids 21h 2m. Absolutely Excellent! Hi,I recently repaired my friends PSW111 and found this post helpful. MANY THANKSThanks for taking time to research and post this solution. The PSW111 Powered Subwoofer delivers powerful, accurate and musical bass from a shockingly small enclosure. Any suggestions on how to remove the plate that is stuck in the subwoofer box?Those 16 screws really had that plate stuck in there. Also remove the heat-sink supports (stuff will now get kind messy as there's thermal paste all over the place. Along with its array of loudspeaker products, Polk offers sixteen different subwoofer models that span virtually every application, including wireless and in-wall. How do you know the JFET is defective?I tested it with multimeter, it showed low 5 ohmh between source and drain at all times. I have a PSW111 with that heartbeat, however, in addition, I get quite a bit of static crackling sound from the membrane when the sub is turned on, connected to an amp/receiver, and firing. How are ratings calculated? i unscrewed the woofer, then leaning it over toward the woofer, the woofer popped out. These are the capacitors I replaced and what you'll need. Does anyone have any help on how to identify which ones are the bad ones based on what I am experiencing? 8-Inch 300 Watt Compact Powered Subwoofer. We have 2 Polk Audio PSW111 manuals available for free PDF download: Owner's Manual, Brochure & Specs . Many thanks Alex! I recently bought this guy: https://www.amazon.com/dp/B07C5LC486/ref=as_sl_pc_tf_til?tag=thehesiod0e-20&linkCode=w00&linkId=251a20fd9aa7303aa984e7126700857e&creativeASIN=B07C5LC486. Its compact design is the perfect complement to Polk RM Series and SurroundBar loudspeakers. Replaced the 2 47µF 63V Capacitors ($0.82 ea. Specially-tuned, downward-firing ports produce maximum bass impact and keep the cabinet's front profile as sleek as possible. After getting it home and plugging it in to the wall outlet and connecting it via LFE, I noticed that the LED on the back plate of the PSW111 did not turn on and no sound came out. See All Buying Options. I changed only the first two 47uf / 63v and it is already working perfectly. I can't see the resistors because most of their numbers are underneath the actual resistor. After taking off the first one I noticed no polarity mark on the capacitor or on the board (different from all the others). Especially the two 47uF/63V ones that measured 1 pF. The system can be used with your speaker level outputs, line level outputs, or, if you have a multichannel home-theater system with an LFE input, that will also work. Strange, I'm not sure what happened to Craig's post :(. Each and every day since then, all Polk products are the result of tight-knit collaboration, teamwork, and our collective passion to make great sound available to as many people as humanly possible. Thank you very much. item 5 Polk Audio 5.1 Surround Sound System w/matching Subwoofer 5 - Polk Audio 5.1 Surround Sound System w/matching Subwoofer. Hello and thank you,I finally repair my Polk PSW111 with the change of the two capacitor 63V 47uf.All for $ 2.18.The purchase of the Bose 700 Subwoofer will wait a few more months.Thank You. Great insights about the capacitors and resolving the heartbeat issue. I don't wanna give my email out on this random blog. At just a tad over a square foot, this is one of the smallest subwoofers you can buy, and with the combined power of Polk subwoofer technology it's also one of the strongest, biggest, deepest subwoofers you'll ever feel. Might just be cheap and wait until I get some extra cash for a different sub. Write a review. Smart circuitry, superior compression and an intelligent amplifier deliver highly efficient bass with low distortion and enhanced blending. or seeing if you can get a credit card between the gap. Does anyone know where I can get a schematic or even better, what might be causing the problem? Especially the two 47uF/63V ones that measured 1 pF. Thanks for this, my psw111 was out of warranty, $2 of parts from my local store, and 30 mins later no more heart beat... My local store didn't have 47uF 63v so I used 100uF 63v instead. But if you wanted I could take a pic of my board and somehow get it to you so you can read the resistors. Page 2 Polk Audio loudspeakers and subwoofers are capable of playing at extremely high volume levels, which could cause serious or permanent hearing damage. The rest were 30 to 50% of their rated values.The Heartbeat was what my friend first complained about until it totally died so replacing all the electrolytic capacitors and FET fixed the problem. had expired so I was going to have to either fix it myself or get a new one. I wonder if there is some adhesive / rubber gasket that is holding it in place. Phone : 0251-8650 351 | WA : 0899-446-8282 | IG : @poltekakabogor | twitter : @akabogor | E-mail Office : akainfo@aka.ac.id | Pengaduan : pengaduan@aka.ac.id Style: Single Change. A mission like that requires more than engineering expertise.

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