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diy

  1. G

    Seco 1100 Marquee

    Hello, I am trying to help rehab a Seco 1100 tube tester that is missing the signage. Does anyone have one that could describe the actual piece or how it fits into the frame? Or where I could locate a replacement piece? Any help or manuals would be greatly appreciated! I have posted this...
    • gtsarah
    • Thread
    • diy fix rca replace seco sign tester tube
    • Replies: 1
    • Forum: Tube Audio
  2. Gary D Olson

    DIY Preamp: Any Ideas For A Simple Kick-Ass 3 Input Design?

    'twas a sad day when I recently put almost my entire vintage collection up for sale. All that remains is a Hitachi turntable, Kenwood KR-9600 receiver, Luxman R-117 receiver, and Yamaha M70, C70, & T70 separates system. The Lux will stay behind as my power amp along with the Hitachi turntable...
    • Gary D Olson
    • Thread
    • diy luxman r-117 preamp yamaha yamaha c70 preamp
    • Replies: 13
    • Forum: DIY
  3. LotzaMatza

    Trying to build DIY Boombox...

    Hey, I'm new here and I want to build a speaker that is as loud as possible for under about $150. I'm not looking for the highest sound quality, just something I can bring on my boat and have lots of power to play music nice and loud and with lots of bass. I've tried to do some research but I've...
    • LotzaMatza
    • Thread
    • build diy speaker
    • Replies: 13
    • Forum: DIY
  4. Will2225

    Klipsch Chorus I Upgrades

    I recently picked up a pair of Chorus I speakers that I've started to modify and I wanted to share some thoughts on the upgrades so far and ask what else might be done. So far I've upgraded the tweeter diaphragms with Crites titanium ones, recapped the crossovers with sonicaps, and added port...
  5. SX828POWER

    Pioneer CS 99A - A Not So Critical Review

    Good evening everyone, Having the chance to sit down after finishing tonight's project (which took nearly 7 hours), I was compelled that my experiences were worth writing about. Just before Christmas I found a pair of Pioneer CS 99A speakers on craigslist by some miracle for only $100 and...
    • SX828POWER
    • Thread
    • cs 99a diy kabuki lattice pioneer restoration review speakers vintage speakers
    • Replies: 9
    • Forum: Speakers
  6. 82smithtown

    DIY Recapping/Restoration

    Good morning and Happy New Year! I have two main stereo systems in my house. The large one in the living room consists of EV S15-3’s that are mint with rebuilt x-overs, and the smaller bedroom system has JBL 4406’s. I just recently purchased a never-used-in-box Hitachi HA-2 amplifier to push...
    • 82smithtown
    • Thread
    • amplifier diy electro-voice ev hitachi jvc kyocera recap receiver restore
    • Replies: 15
    • Forum: Solid State
  7. Andre Garcia

    Spindle upgrade.

    hi to all! Today I execute a nice short project, that was sleeping for a while. (One of many) This project upgrade two aspects. One, the platter was resting one the bearing but not 100% tight on it. Two the spindle itself. So we add an O’ring and O’ring holder that make the plater fit perfect...
  8. A

    Need help repairing/troubleshooting AKAI AA-25 Amplifier

    I've got this AKAI AA-25 from the local second hand shop. The main issue, distortion at any volume level except the lowest few, but at that point it's too quiet to listen to. The unit powers on, everything functions as normal. I looked online for any information and was only able to find a...
    • Austin S
    • Thread
    • akai computer controlled amplifier diy repair
    • Replies: 2
    • Forum: DIY
  9. FFF

    Ampex AM-10 help

    I have this nice Ampex AM-10 that I bought because it has plenty of gain for a pair of handcrafted ribbon microphones that I designed and made. Problem is, one of the line amp cards is not working. Channel A output was dead while channel B was working fine. I pulled both line amp cards and...
    • FFF
    • Thread
    • am-10 ampex diy gear mixer preamp r2r recording repair
    • Replies: 3
    • Forum: DIY
  10. Flapjacks

    I want to make my own speaker cabinets and probably crossovers.

    I want to make my own speaker cabinets. I plan to put an in line bass blocker for the 5.5 inch MTX oaktron speakers, leave the 8 inch MTX oaktron as full range, and I'm getting a couple tiny woofers. I currently have a set of the 5.5s and 8s hooked up in some old cabinets and they sound...
    • Flapjacks
    • Thread
    • crossovers diy hobby mtx speakers speaker cabinet
    • Replies: 6
    • Forum: DIY
  11. AlexHempel

    Compiling a list of tube amp kits

    I'm interested in building a tube amp kit but finding good information is quite a slog, since mentions of the various kits are scattered across many threads, and there's no way of knowing when you've discovered all the kits that are out there. I strongly prefer to compare every possible option...
  12. neiman

    Clipping/distortion from receiver...definitely internal EQ related

    So I have this aging receiver (TEAC AG-V8060) that has stood the test of time up until recently. I noticed that the left channel sounded like it was clipping. At first I thought I blew a woofer cone, since it was mostly occurring with the kick drum. I freaked out and took the cloth grille off...
  13. A

    Does the pam8403 IC is convinent to make a stereo output

    I have a PAM IC to build a small amplifier for my DIY FM Receiver circuit. I undergone some tutorials, but they make only mono output, but i need stereo. is it possible to make stereo using PAM8403
    • Anto Besline
    • Thread
    • diy fm receiver pam ic pam8403
    • Replies: 2
    • Forum: DIY
  14. AlexHempel

    Finishing Baltic Birch w/o Solvents?

    Greetings all, I'm building some Paul Carmody S2000 speakers using a kit from the DIY Sound Group. It came with CNC-milled flat pack birch cabinets that I'd like to apply a clear finish to. Here's the problem -- I'm a college student living in a small dorm room in Manhattan, so solvent-based...
    • AlexHempel
    • Thread
    • diy diysg s2000 speakers woodworking
    • Replies: 5
    • Forum: DIY
  15. AlexHempel

    Partially complete Sansui Six repair and restoration (with pictures!)

    Greetings AK, This is going to be a very long post (scroll down if you just want pictures). I was looking for a project over the summer and decided to restore a Sansui Six. People on AK and elsewhere seemed to agree that the Six is a well-built, warm-sounding receiver, which is exactly what I...
  16. Brunt

    Electrical Engineer Special

    I just picked up a pair of speakers from someone's garage that have been sitting for about 20 years according to the story. He told me that his old room mate, a soon-to-be electrical engineer in college at the time, didn't have the dough to get a nice pair of speakers for himself so he made...
    • Brunt
    • Thread
    • amt diy homebrew
    • Replies: 11
    • Forum: Speakers
  17. Little Wolf

    My Homebuilt "Mid-Century" Style Amp

    Hi All, This is my first AK post. Just wanted to share a recently completed project of mine: a homebuilt transistor-tube hybrid integrated stereo amplifier in the style of an early 1960's household hi-fi stereo set. The set was built as a modular system; with the exception of the power supply...
    • Little Wolf
    • Thread
    • 12ax7 diy diy project homebrew husky electric hybrid amp jlh 1969 tube amp tube amp build vintage tube amp
    • Replies: 28
    • Forum: General Audio Discussion
  18. A

    Pioneer Spec-1 low output on left channel

    Hi, I have a Spec-1 and the left channel is low. I've been looking at the schematics for the amp and just can't seem to locate some good interim probe points to connect my Oscilloscope to to try and isolate the location of the issue. It seems to me that there is a transistor that has failed...
    • Adeyfk
    • Thread
    • diy help spec-1 technical
    • Replies: 12
    • Forum: DIY
  19. D

    Car amp diagnosis (help)

    I have an old jbl sub amplifier that i bought as "not working" in order to repair it. With no speakers hooked up, the protection light turns on immediately, but slowly fades down, the power light flickers, the protection lights turns on and etc. Ive taken it apart and all the components look...
    • dBrama
    • Thread
    • car audio diy repair troubleshoot
    • Replies: 8
    • Forum: DIY
  20. pio_sx_680

    My pioneer SX-680 makes only faint sound

    so I just got saved this Pioneer SX-680 from getting pitched at the dump. the guy who had it was the first and only owner. i brought it home and put a 4ohm RCA speaker on it and a variety of other speakers (up to 4 ohm) and none of them worked in any of the different outputs. everything seems to...
    • pio_sx_680
    • Thread
    • broken diy help pioneer reciever retro stereo sx-680 trouble shooting
    • Replies: 23
    • Forum: DIY
  21. V

    Advice regarding sound quality of Elekit TU-8200 versus ST70 from Hifi4Tubes

    Hello, As the title states, I wish to know which amplifier sounds better and why. I realise the Elekit is 8WPC while the ST70 is 40 however, either will work. Thank you in advance,
  22. C

    Advice on Magnavox console speakers

    I'll preface by noting that I am a complete and total newb to electronics and audio, and as I laid out in my intro post, just dipped my toe into vintage audio this by assembling a system from Craigslist and thrift shops. Basically, I bought a 1958 Magnavox Magnasonic Console, along with a...
    • COLB
    • Thread
    • console diy magnavox
    • Replies: 9
    • Forum: DIY
  23. Tubeglowpio

    Magnavox 8601 back on bench questions

    Hey guys, so the Maggie 8601 was the first tube amp I ever rebuilt with only the original iron and all new parts. This was about 3 or 4 years ago now and I quickly moved to building other audio gear but I always felt that the Magnavox should have sounded a little bit better, I did modify the...
    • Tubeglowpio
    • Thread
    • 6bq5 8601 amplifier diy el85 magnavox stereo tubes
    • Replies: 13
    • Forum: Tube Audio
  24. tom3

    Realistic cassette deck info needed

    Have a small Realistic auto reverse playback deck, SCP-5, model #14-169. Low output on line out jacks, lock in solenoid (magnet) is weak, end of tape reverse dead. Looks like low voltage? Looking for a schematic for this deck, searched around and didn't find anything. Anyone have a diagram...
    • tom3
    • Thread
    • cassette diy radio shack realistic schematic tape
    • Replies: 5
    • Forum: Tape
  25. sgtpetter

    Audiolab 8000A - mods and schematics question

    Hi all, this is my first post. I have an Audiolab 8000A and want to install the "Preamp output muting" relay mod as described in a service manual that I found here: https://www.hifiengine.com/hfe_downloads/index.php?audiolab/audiolab_800... However, I've got a newer version than the manual...
    • sgtpetter
    • Thread
    • audiolab 8000a british hifi diy mods relay schematics needed
    • Replies: 1
    • Forum: DIY
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