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amps

  1. Raphaz

    The Ohm matching game

    I’d like to learn a bit more about the Ohm matching of amps/receivers and speakers. Is it always better to match recommended Ohms for amplifier and speakers? I understand that an 8 Ohm amp or receiver has to work harder to drive 6 Ohm speakers than 8 Ohm speakers — I guess that also means...
  2. BilboBaggins

    Wall of Sound

    I've been wanting to do this for a little while. Over the years, I have had many listening sessions, mostly in my living room/dining room but sometimes in my family room. I've always taken pictures, but most of them were on a different computer, and today, I consolidated some of them This is a...
  3. Sitandlisten

    Help wanted to identify tubes / info on DIY amps

    Hey all! I'm hoping to pick up these tube amps this weekend. Before I do, I was hoping to gather as much info on them as I can to make a fair offer on buying them all. Please review the photos I've attached and post any knowledge you may have on them! These are all DIY handmade amps and...
  4. maskof

    JVC JA-S31 and Scott A426. worth to collect?

    Hi everyone, I found these two amps, the JVC JA-S31 and Scott A426. Do you think they are worth collecting? Thanks in advance!
  5. F

    Best amp combo for new Magnepan LRS+ speakers?

    Very pleased with the Christmas present from my wife. A level of detail and openness that is impressive! Now looking for some help on getting the most from the equipment I already have. How can I best use some combo of two integrated amps (NAD 3150 and Rotel RA-870bx) and one NAD 2150 amp to...
  6. jmsdvdp@aol.

    Pioneer SX-680 amperage usage

    I'm looking for the amperage the Pioneer SX-680 draws from household current. I'm looking to find out how many amps I'm using on circuits through our house. The rear label states "AC 120 Volts, 60 Hz, 95 Watts". Using Amps=Watts/Volts, this works out to .7917 Amps. Can this be right, have I used...
  7. J

    NEED! Portland or Seattle McIntosh Techs?

    Does anyone have any recommendations for professional competent audio techs with experience working with McIntosh gear? Seems harder than I’d expect so please let me know if you know a good tech or two.
  8. Y

    How to upgrade stereo

    Hey all- For years I’ve been listening to music on my pioneer solid-state receiver SX-737, pioneer turntable PL- 530, and JBL L88 speakers. The set up looks great but the sound is only OK. Either not enough bass or kind of booming, or sometimes too much high and low and no mid, and overall just...
  9. V

    Advices for freshly bought JBL L100 Century

    Hello all AKers! :) My first post here, I've been reading you for some time from France and I appreciate all the content. A real resource for all Hi-Fi enthusiasts, well done! I come to the subject. I will soon be receiving a pair of beautiful JBL L100 Century. Perhaps not the most faithful...
  10. iamConfusion

    Best Speakers for Scott A1600

    Hi All, My first post! i inherited an hh scott a1600 that was made in the mid 80s i think and it’s a beast! I dont have the manual but i’ve heard it could be around 150 watts per channel, type ab i’m assuming, but i dont know much else to determine how to pair it. i’m looking at modern...
  11. SquarePusher

    Fisher 202 Futura or Technics SA-202?

    Hey Guys! I found both of this Stereos for a fairly good price around my area and I don’t know which one to go with. Has anyone have experience with any and can share some wisdom? Thanks
  12. Pedro Correa

    Change my amp? Marantz 2220b vs Technics sa-ex510

    Hi everyone! Long time lurker first time poster here. I'm in need of some advice. I have a pair of Pioneer CS-603 loudspeakers in my room which right now are powered by a Technics sa-ex510 amplifier. I've wanted to upgrade my amp for a long time. I was recently offered a Marantz 2220b at...
  13. R

    help old noob with missing pieces to rebuild a vinyl oasis

    Hey Audio Gurus, Years ago my grandad left me a pair of JBL Decade L26 8ohm speakers and a very nice techniques turntable of the same era. There was an amplifier stereo receiver (that died a number of years ago that I then sold at a garage sale). There's a bit of cracking in the foam on the big...
  14. R

    Bipolar electronics 850 amp?

    Does anyone know anything about this amp.all i know is it is rare and was made by Barry Street in San Francisco in the 80s I have a chance to get one for $180 From what i read he only made 70or80 of them 850 and 950 are model#s
  15. R

    Bipolar electronics 850 amp

    Bipolar electronics 850 amp?
  16. Horn_woofer

    Horn_woofer

    RCA MI -9594, circa 1940-1950's. Housed in old movie theater. Available for sale, don't know if they work. Do people buy these monsters? Over 400 # weight. We have 3 sets of them. Please help them find a new home.
    • NorwalkAC
    • Media item
    • amps horns rca theater
    • Comments: 0
    • Category: Member's Systems
  17. polhem

    Two different amps -> crossover filter -> speakers ???

    Two different amps -> crossover filter -> speakers ??? Hi all, I am wondering if this connections can be done: Receiver --2 x RCA-> NAD 3020i -2 x speaker cable--> Post amp crossover filter -2 x speaker cables-> Speakers \--2 x RCA-> NAD 319 -2 x speaker cable --/ I hope my...
    • polhem
    • Thread
    • amplifiers amps crossover crossover filter filter multiple amps nad nad 3020 nad 3020i nad 319
    • Replies: 3
    • Forum: Solid State
  18. DavidZak

    Modern or Vintage?

    I was curious as to what kind of Receivers or Preamps AudioKarma members prefer and own. Vintage 50s-80's. Pure (Analog) Digital Era 90's-present (Optical, Coax, HDMI) Internal Dac. Will accept analog inputs. If you have Both please choose as if you can only keep one. Please feel free to...
  19. 13characters

    Powering two 15 inch open-baffle subs

    Hi everyone, I am seeking advice on a decent amp to power my two 15 inch open baffle Hawthorn Augie subwoofers. Ideally with a cross over so I can have stereo subs. Currently using a NAD integrated C 320BEE to drive them. Appreciate any input. Cheers
  20. C

    2 Rauland DSA 120 mono pa amps=?

    Hello to Audio Karma and the Solid State forum. A veteran member at the Tech Talk forum suggested that this would be a good place to ask some questions about a pair of amps I've had for several years. 2 Rauland Borg DSA 120 mono pa amps removed from a school when they updated. I'm told the...
  21. 70'sMusic

    Power Conditioners - do you use them and do you have a recommendation?

    Hi Everyone, Got a question for the collective wisdom of the group - been thinking about purchasing a power conditioner. But, I'm having trouble determining how many AMPs I need. I've look at the back of my receiver and I've checked the owner's manual for a couple of my devices but all I find...
  22. JoeMae416

    Nikko Audio

    Anyone have any vintage Nikko Audio?
  23. dlbraly

    Capacitors

    Hello, I have a few questions about Capacitors and reading the schematic. I know this is probably on the forum, I've searched just didn't see it. I have a tube amp (GE 752), and want to replace the original capacitors. Attached is the schematic with parts list. 1. When I look at the parts list...
    • dlbraly
    • Thread
    • 752 amps capacitors ge ge-752
    • Replies: 9
    • Forum: Tube Audio
  24. R

    Price suggestions for a KA-501

    Hi, Im fairly new to vintage audio. I picked up a working KA-501 amplifier from the dump last year and spent the beginning of this summer fixing it. I got all the controls working and replaced the meter lamps with LEDs. I cleaned the entire inside, replaced the speaker terminals with 5-way posts...
  25. bgymnastics

    Information on Walker by Carver WCA400 amplifiers

    I'm looking at buying a Walker by Carver WCA400 amplifiers does anyone know I can get some information on this amplifier. Or where a user manual can be found. Thanks
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