Anyone know a good amplifier for passive monitors?

Discussion in 'Studio' started by Kuuhaku, May 22, 2020.

  1. Kuuhaku

    Kuuhaku Ultrasonic

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    Yooo, I am just doing a DIY studio monitors system and I get that I cannot find any amp that looks really decent
    I was wondering, if I can get the amps from krk rokit 10-g3 or yamaha or anything good-knowed like them
    But I think this would be pretty hard, why someone would sell only the amps? :P
    So, do you guys know any good amps for a stereo system of 10" sub 8ohms 4" mid 8ohms and 4" tweeter?

     
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  3. Lenny Belardo

    Lenny Belardo Producer

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    Not much of that makes a lot of sense. The amps from krk are internal, as with every powered amp, they are designed to work within the speaker. Then you ask what amplifier would be good for the speakers that a few people informed you, according to the mixes you provided, weren't giving you much clarity. So the problem you have is your speakers, not the amplifier you are currently using. I would also ask for clarification on your 4" tweeter. Tweeters are generally very small.
     
  4. Kuuhaku

    Kuuhaku Ultrasonic

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    How could I "Clarify" a tweeter?
    Also, Im asking for amp because people told me that a stereo 2 channels amplifier isnt acurrate as a 6 channel
     
  5. Lenny Belardo

    Lenny Belardo Producer

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    Don't worry, I've clarified the 4" tweeter myself. It seems that 4" tweeters are used in car audio systems. My advice to you would be to abandon the idea of building a DIY studio monitor system and use the money for an amp to buy a pair of IK Multimedia speakers.
    https://www.ikmultimedia.com/products/iloudmm/?pkey=iloud-micro-monitor
     
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  6. Kuuhaku

    Kuuhaku Ultrasonic

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    Unforunately I live in Brasil, buying this would coust me 3000 BRL, I can spend only 500-700 :( I hate living here by the high fees on everything
    But how do I clarify a tweeter? I would like to know
     
  7. Trurl

    Trurl Platinum Record

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    Dude- buy a good set of powered monitors. Do yourself a favor.
     
  8. Lenny Belardo

    Lenny Belardo Producer

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  9. Kuuhaku

    Kuuhaku Ultrasonic

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  10. Kuuhaku

    Kuuhaku Ultrasonic

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    I am trying to DIY speakers because I have acess to a sound-shop from my parents, they have given me these speakers for a very low price for they quality
     
  11. Lenny Belardo

    Lenny Belardo Producer

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    Then it seems your best option with regard to an amplifier is to get your parents to give you one. I have no idea how powerful it should be. You state the 10" drivers resistance as 8ohms, but don't say what it's capability is in wattage.
     
  12. Kuuhaku

    Kuuhaku Ultrasonic

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    They only have car-amplifiers, I already tested one of them but Im pretty sure that they bass/sub response isnt normal, both of my subs are 80w, I am using a Philco Hitachi PSR 60 (this thing is very old) the mid/tweeter are 30w each
     
  13. Iggy

    Iggy Rock Star

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    Buy powered monitors, unless you're using a set of Auratones or something (you won't be). You can buy a set of small Focal Alphas for the money you're interested in spending.

    I have a set of Tannoy Proto-J's and I'm dying to upgrade to powered monitors. My old Alesis stereo amp was pretty decent, but the contacts wore out on it and it finally died a few years back. I currently use a cheap-o Sampson amp with a fan that generates a ton of noise, and its alleged "meters" don't actually work. Not worth the hassle. Buy powered monitors -- even Mackies, Yamahas or M-Boxes are better than low-budget passives.
     
  14. Kuuhaku

    Kuuhaku Ultrasonic

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    I can't, I would pay at least 2000brl for a pair of used monitors, I am really doing it DIY because the Brazilian fees kills me
     
  15. Trurl

    Trurl Platinum Record

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    OK, that being the case, generally any decent clean solid state amp should do the job- as long as you're not hearing hiss and noise there's little chance of a modern amp coloring the sound. Just make sure it matches the ohm rating of the speakers. I tend to agree that if you have re-purposed car speakers it probably actually makes good sense to use a re-purposed car amplifier.

    One thing you need to figure out is what to use as a cross-over.
     
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  16. Kuuhaku

    Kuuhaku Ultrasonic

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    Yeaaaaah, I have three problems: 1: I dont know how I would power the amp
    2: I dont know how to set crossovers aksdfjadskfas
    and 3: I dont know If I choose and 3 channels amp of a 2 channels amp, my father says that its unecessary but him dont know nothing about studio monitors, so Im pleasing for you guys help:unsure:
    Also, thank you guys for beeing so suportive <3
     
  17. Lenny Belardo

    Lenny Belardo Producer

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    You have so many problems I don't know where to start. You have enough components to build a three way speaker. Have you built an enclosure? Do you have a 3 way crossover? Do you know how to solder? Have you lined inside the boxes with insulating material? If you can acquire a car stereo amplifier you will need some way to power it from the mains or use a car battery. Assuming you get to this stage be very careful because you may die if you touch the wrong thing. With regard to amplifiers you only need a 2 channel stereo amp. Not 6. Never 6. Forget about 6 channels.
     
  18. Kuuhaku

    Kuuhaku Ultrasonic

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    Ooh, My Philco Hitachi PSR 60 is a Stereo one... Is it bad?
    Yeah, I have an enclosure, but I dont have Insulating material.. What would be it? My parents told me that if I power separatedly the mid/tweeters from the sub I would have a better sound quallity, maybe theyre wrong so
     
  19. Trurl

    Trurl Platinum Record

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    I was guessing the "6 channel amp" thing meant stereo, triamped. But you still need a crossover. Of course, again, there's probably some car gear that could work. There's ways of converting ac to dc and stepping down the voltage. You need someone there that can help you. I kind of think this is all WAAAY to deep to cover in a forum like this.
     
  20. Kuuhaku

    Kuuhaku Ultrasonic

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    Awww, is that so hard as is it looking?
     
  21. Lenny Belardo

    Lenny Belardo Producer

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    My opinion would be, yes. You may be able to get the parts you need, but you need somebody qualified with some knowledge of electronics who can help you put everything together. Potentially you could have a great sounding setup if you get the cabinets and the amp working correctly. It won't be the flat response curve system you previously referred to, but it should have some punch.
     
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