Top 10 Loudest Amps Ever

Discussion in 'Other Amps' started by ricksdisconnected, Dec 26, 2019.

  1. Trelwheen

    Trelwheen Well-Known Member

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    Lol

    Yep in the days before
    That must be it. It explains what I heard very well.

    I wonder why I never thought of that.

    Must've been all that weed we were smoking.
     
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  2. anitoli

    anitoli Well-Known Member

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    I had a 5213 MOSFET 100w conbo and that thing on 3 was louder than a dimed halfstack. It was like you couldn't pinpoint where the sound was coming from.
     
  3. proxy

    proxy Active Member

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  4. guzzis3

    guzzis3 Well-Known Member

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    I thought every guitar player would know about disaster area like we know Nigel Tuffnel plays at 11...

    Maybe only Major owners understand...

    Regarding the twin it could simply be it has particularly sensitive speakers. Remember the relationship between power and sound pressure is logarithmic.

    Also 4x12's "project". They seem to get louder as you move away until the volume peaks. Mine have always had more impact at 40' than 4'.

    With free slm apps now it wold be great if someone with a varied amp collection did an AB with the same speakers a sig gen and at various distances straight on and at 45 degrees. The data would be fascinating.
     
  5. axe4me

    axe4me Well-Known Member

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    Ampeg's V 9 was pretty loud.

    It's an SVT mainly for guitarists.

    300 watts RMS with 6 power tubes.

    I think there are 6 6550 power tubes in this monster.
     
  6. Dogs of Doom

    Dogs of Doom Moderator Staff Member

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    this reminds me of Magnavox (Ampeg)

    upload_2020-1-2_19-4-58.png

    I wonder what their design is?

    [​IMG]

    3 transformers & a choke? It doesn't appear to be a cathodyne...
     
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  7. jmp45

    jmp45 Well-Known Member

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    Our guy on the board hated my twin in the 70s for that reason ..;) Now with the coffee can sros, I've doubled down.
     
  8. ampmadscientist

    ampmadscientist Well-Known Member

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    It's very similar to a real SVT, with a Marshall style pre amp.
    When I say "real," I mean a USA Magnavox SVT.
    It has a 700 volt B+ and a 450 volt screen (2 HT power supplies), and a separate filament power transformer. It uses Hammond transformers.

    Except for the Hiwatt 400 amp, it's the loudest I think.
     
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  9. StingRay85

    StingRay85 Active Member

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    Amp power is only part of the loudness. Speaker efficiency is the other. I have an Acoustic 270 with a 2x15 cabinet JBL E130-8 105 dB SPL. Puts out about 250W RMS at 4 ohms.
     
    Last edited: Jan 3, 2020
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  10. guzzis3

    guzzis3 Well-Known Member

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    Voltages like that make me drool :D I do love an enormous B+
     
  11. MarshallDog

    MarshallDog Well-Known Member Premium Member

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    Exactly, one reason I like G12M-65 Creambacks so much is because they are not as efficient and I can crank the amp a bit more!
     
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  12. axe4me

    axe4me Well-Known Member

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    I recall a 1969/1970 Coral Kilawatt Amp.

    It was SS and 1000 watts.
     
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  13. Metroman

    Metroman Well-Known Member

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    Hiwatt DR405 x 8 100w Fane Cresendo A

    I have a 1970 Sunn Coliseum Lead and 8 x 12 JBL D120s speakers. I bought it in 1974.
    300w RMS Solid State.
     
  14. Neil Skene

    Neil Skene Well-Known Member

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    IMG_1642.jpg I would like one of these, just because I would like one of these :)
     
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  15. Dogs of Doom

    Dogs of Doom Moderator Staff Member

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    I think Clammy has a couple. I think Sigi probably has one or 2 as well...

    Sigi said if I ever play Germany that he'll provide the backline. Complete w/ Marshall 8x cab's...
     
  16. ampmadscientist

    ampmadscientist Well-Known Member

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    [​IMG]
    "Touted as ‘the most powerful all tube bass amp in the world’, the company’s DR401 features a dual channel preamp with hi/lo sensitivity inputs and cross patch bright and normal channels. The valves consist of eight KT88’s in the power stage, and three ECC83’s and one ECC81 in the preamp.
    Visit www.hiwatt.co.uk for more info."
     
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  17. MarshallDog

    MarshallDog Well-Known Member Premium Member

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    If nothing else you could heat your house with it!
     
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  18. axe4me

    axe4me Well-Known Member

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    I recall:

    With the Ampeg V9, I demoed the amp with 2 cabinets.

    Each cabinet had 9 10" speakers.

    I decided not to get it and went with an Ampeg V4 Stack.

    Each Ampeg cabinet had 4 12" speakers.

    The Coral Kilawatt, I demoed had 2 cabinets.

    Each cabinet had 8 12" Speakers.

    I passed on both amps.

    They were way too loud.

    I currently have a Groove Tube Soul-0 75 1x12 combo.

    It has a pair of KT-88 power tubes.

    I dislodged the cone on the speaker...............had it repaired.

    I rarely use this amp but, when I do, I don't push it as hard as I used to.

    It's like being in a wind tunnel.:D
     
    Last edited: Jan 4, 2020
  19. RLW59

    RLW59 Well-Known Member

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    8e84203dc6fbabddf6c35bc6a866f20e.jpg
    Jerry and Bob were both using individual discrete rigs consisting of Furman preamps driving stacks of MacIntosh tube power amps driving stacks of JBLs in tuned cabs.

    Loud enough for stadiums and outdoor festivals.
     
  20. Matthews Guitars

    Matthews Guitars Well-Known Member

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    Until very recently I had a fairly rare Fender SUPER Twin Reverb, 180 watt combo amp. Sucker was HEAVY. And yes, it was stupid loud.

    It would do your classic surf guitar sound at volume levels that shouldn't even be possible. I don't generally think of clean guitar tones at such ridiculous levels, but it did that!

    Once upon a time I set the controls wrong on one of those little 1x12 Peavey Triumph 120 combos. I though it was going to be in the clean channel, not the overdrive, so when I hit the standby switch I instantly got blasted by the thing at absolute full tilt. It was loud enough to be very memorable, 35 years later!

    If I were to try for record setting guitar amp volume levels, I'd fill two full stacks with the Black Label EVM-12Ls (300 watts rms per speaker) and run a stereo rig into power amps delivering 2400 watts per stack. My ears are ringing just THINKING about it. That'd be well into the 130 dB range.
     
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