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capacitor

  1. K

    capacitor voltage

    Is it ok to use same capacitor value but higher voltage? Say an example is i want to use a22uf 500v where a 22uf 50v was used,since i already have some ,,only difference is the size ,correct?,no issue doing that ? Thanks for any replies
  2. Ronito6

    Capacitor suggestions for polyester caps...Noob Q of the day.

    I know that they last forever as long as they are physically OK, but does anyone know what the best modern equivalents are that could replace old MKT or the old green polyester film caps? I am not certain what the newer/better versions might be. The old MKTs look like this... Here is an axial...
  3. dads truck

    Capacitor Identification / cap quality / sound / CV T15

    So, I've got a thread on here restoring a set of CV Cerwin Vega circa 1975 T15 s. Have (I think) isolated a capacitor as having blown; really avoiding any and all soldering "sittings"; ideally would like to know what the capacitor I think is fritzed is (its the big silver one on the board...
    • dads truck
    • Thread
    • capacitor capacitor checking cerwin vega crossover rebuild crossover recap crossover testing repair restoration t-15 t15
    • Replies: 1
    • Forum: DIY
  4. davstev

    Tannoy Crossover Recap- which caps to use?

    Hi all, I want to recap the Crossovers in my Tannoy Gold 12"s as they are now about 45 years old. I've heard that one AK'er redid his quite successfully with rather expensive Sonicaps, here...
    • davstev
    • Thread
    • capacitor gold recap tannoy
    • Replies: 5
    • Forum: Speakers
  5. J

    MX110 - Smoke on 220ohm resistor after recapping

    Hi, Bought a MX110 3 weeks ago - I never turned it on - and I just finish recapping it. I first started it with a Dim Bulb Tester and everyhting was working fine. Then went without. One of the 220ohm white resistor near the electric plugs started smoking (Pretty sure it is R152 - it is...
  6. T

    Kenwood KR-4140 Repair Question

    Hey everyone, got a question about a Kenwood KR-4140. This was my dad's when he was in college in the 70's, and he gave it to me when I was in school about a decade ago. Put it to some good use, but accidentally killed it in 2010 and I'm trying to get it up and running again to surprise him...
  7. mrjoe

    Have these caps seen better days? – Technics SE-900s

    Hi all, I'm in process of bringing back to life this power amp legend. Power supply is working well but no sound output. Looking over the board the two main huge capacitors have some purple / red colouring around their bases. See image, are they leaking? There is no bulging or damage to...
    • mrjoe
    • Thread
    • capacitor capacitor checking
    • Replies: 9
    • Forum: Solid State
  8. M

    Restoring/Upgrading Crossover in a Fisher Video Tech Mark 20 STV-690

    I opened the speaker and what i found is this per speaker box so double it for both speakers Capacitors: 3.3mfd 100v 4.7mfd 100v x2 1.5mfd 100v Resistors?: 1ΩK 5W 1.5Ωk 5W Is mfd the same as a μf? Theres some white rectangular boxes which i guess are the resistors. Should i buy anything...
    • matt.zepess
    • Thread
    • capacitor crossover fisher mfd ohm repair resistors restore stv upgrade
    • Replies: 8
    • Forum: Speakers
  9. Cody AOC

    Is it safe to upgrade the UF on a CAPACITOR?

    So I have been looking and looking I can't find any 50v 1.5uf capacitor and it has to be an Audio cap because it is in my vintage sansui 5050 receiver would it be safe to up the uf to 2.2uf 50v since any of the voltage there is no 1.5uf in any voltage and the cap of that one is in leaky bad...
    • Cody AOC
    • Thread
    • 50v bad caps capacitor leaky restoration sansui sansui 5050
    • Replies: 3
    • Forum: DIY
  10. Bratwurst7s

    Canton Speaker Capacitor and Coil Reference Thread

    I'm posting this thread as a service to other Canton speaker owners that want to recap and like me have found that the Wego caps that Canton used don't have their µF values printed on the cap. Measuring the old caps isn't always useful as some of the caps were made to specific non-standard...
    • Bratwurst7s
    • Thread
    • canton capacitor coil crossover speaker wego
    • Replies: 281
    • Forum: Speakers
  11. sqlsavior

    Rare Teac TN-400 turntable - speed control repair

    I've had a Teac TN-400 Magnefloat turntable since '79 or so. It went into the closet for a speed-control problem after a few years. Dug it out a couple years ago and got it going, sort of, but it still has speed issues. The adjustment knobs are all the way in one direction, but that is not...
    • sqlsavior
    • Thread
    • capacitor recap
    • Replies: 36
    • Forum: DIY
  12. Richs_Trains

    Marantz 3200 Pre-Amp

    So, I ran out of open units to recap and I figured I do one of the pre-amps. I opened up a 3200 only to find that someone had already re-capped this unit, yea and boo. Good that it is done, bad means I have to find something else to play with. I do have a question. ...this unit has a 220uf...
  13. sansevy

    SX-750 replacement filter caps

    Hi everyone, I'm new to AK and to the Pioneer community. Even though I haven't been posting, I have already benefitted tremendously from the wealth of knowledge in this community. I truly appreciate it. While I've done a fair amount of soldering and tackled smaller DIY electronics kits and...
  14. fredb44118

    Recapping Marantz 2270... can I use non-polarized main filter caps?

    Hi everyone. One of the main power supply filter capacitors of my 2270 was leaking and causing sound issues, so I've decided to replace both of them. It's probably way overdue. So I ordered two Mundorf MLytic 10000uf/63VDC caps (http://www.partsconnexion.com/capacitor_ele_mundorf_plugin.html)...
    • fredb44118
    • Thread
    • 2270 capacitor marantz mundorf capacitor polarity recap recap power filter
    • Replies: 8
    • Forum: Marantz Audio
  15. Richs_Trains

    2230B Capacitor Question

    Hello, I replaced all the electrolytic caps on the power amp board except the 4 axial 220uf 50v caps in the center. I was not able to find any 'audio grade' caps in this configuration, but I was able to find 'standard grade'. My question, is it better to use radial 'audio grade' and have long...
  16. Ron Joiner

    Dynaco SCA-80Q I thought my troubles were over

    SCA-80Q Blown Resistor (5) by Ron Joiner posted Sep 13, 2016 at 10:51 AMSCA-80Q Blown Resistor (4) by Ron Joiner posted Sep 13, 2016 at 10:51 AMThis past spring I resurrected this old integrated amp from the basement. It immediately developed a loud hum. I addressed this by replacing many of the...
    • Ron Joiner
    • Thread
    • capacitor dynaco power amp repair resistor sca-80q
    • Replies: 4
    • Forum: Solid State
  17. Briant8

    Marantz 2215B popped it's top

    So, there I was.... I'm super stoked after a wildly successful 2250B recap last week. I carefully choose my next victim, the sweet little 2215B that has been waiting patiently for some lovin'. Very methodically (as all you fantastic gurus recommend) I start with the: Tone board: Recap, test...
  18. seaneee

    Orange Drop Caps- Non Polarized?

    Hello. I'm attempting my first cap replacement and purchased some Orange Drop caps. When I went to install, found there are no polarity markings. Come to find out that Orange Drops are not polarized. First, is it okay to use them as a replacement for electrolytic caps? Second, I'm assuming...
    • seaneee
    • Thread
    • capacitor crossover electrostatic orange drop realistic speakers
    • Replies: 12
    • Forum: DIY
  19. JKent

    HK T25 hums

    I helped a friend get a Harman-Kardon T25 TT and he's enjoying it but he said he gets a slight hum during quiet passages. The TT is grounded to his receiver (an old Pio, I think). I suppose it could be elsewhere in the chain (receiver for example) but any ideas about the TT? I know there is a...
    • JKent
    • Thread
    • capacitor hum power supply
    • Replies: 0
    • Forum: Turntables
  20. ELzekio

    Best replacement for TOWA power supply capacitor.

    Hello. I recently obtained a JVC sea r7 equilizer looking under the cover everything looked clean except one of the power supply capacitors looked like hell. As you can see from the picture the cap did not leak from the top but it looks lumpy all over. Somthing I never seen before. When I...
    • ELzekio
    • Thread
    • cap capacitor jvc replacement rm s9 towa
    • Replies: 1
    • Forum: Solid State
  21. M

    Upgrading a pair of realistic nova 15s

    I picked up a pair of nova 15s at a goodwill for $1.99 since they had foam rot... I found the foam for $8 to do the pair, but also heard they could probably use a crossover upgrade, without spending a ton of money on fancy caps... Can i just use standard nichicon caps or will that have a adverse...
    • matt.zepess
    • Thread
    • capacitor crossover diy foam nichicon nova radioshack realistic repair rot
    • Replies: 3
    • Forum: Speakers
  22. BGME

    Fisher Loudness Contour - Modify to Reduce Bass Boost

    I would like to experiment with modifying my Fisher 500b to reduce the amount of bass boost provided by the Loudness switch. I like the Loudness feature for certain types of music, but the amount of bass boost provided by the switch on my Fisher is way too much and muddies the sound, even with...
    • BGME
    • Thread
    • bass capacitor fisher loudness loudness circuit
    • Replies: 5
    • Forum: Tube Audio
  23. 1mike161

    Capacitor Coupling?

    I have a Pioneer TX-9500ii tuner with both variable and fixed line output. The negative side of the output terminals are tied to ground. And, the negative side of the output terminals are also coupled the ground with a 0.04 microfarad 50V ceramic capacitor. What is the purpose of this...
  24. The1thinker

    Technics SA-5760 Capacitor help

    Hello, I received two powerful amps for FREE. Yes, FREE. My dad gave me them and he would let me keep both if I can get them working. One is a Marantz 2325 with one of the channels not producing sound. The other is a Technics SA-5760. One of the main caps have blown and I need to find a...
  25. P

    My 4-way Crossover Needs Some Sage Advice!

    This isn't cross posting! I just have a more specific question now.... I have some Showco S200 "Pyramid" studio monitor/speakers that I'm rebuilding and upgrading the wiring and crossovers. The crossover points are 200Hz , 800 Hz and 5kHz. Before ordering some ClarityCaps from Parts...
    • psarahtonen
    • Thread
    • 4-way band pass capacitor crossover high pass low pass showco
    • Replies: 2
    • Forum: DIY
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