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Thread: Yamaha studio amps, any opinions?

  1. #11
    Join Date: Feb 2016

    Location: London

    Posts: 334
    I'm Don.

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    It's listed on Gumtree... Highly rated by the sound engineering fraternity.. the caps on the amplifier are bigger than my oil filter on my car!

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  2. #12
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with far away trains passing by...

    Posts: 14,473
    I'm David.

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    Always when I'm skint (I'm skint 90% of the time these days ) How much did you want for it?

    The DC300A used to be regarded as an animal when I started back in 73 or so, but it's a bit of a softie now, albeit a powerful one. I have the D-60's and an early D-150 and they're still valid for domestic use and the 150 especially is good for 'BBC Boomers' as it controls the bass like few others, but can sound a little too straight-laced for many modern boxes, espially sealed ones I suspect. I'd regard the DC300A in good fettle rather like a bigger Quad 606/707/909 model, solid fist in a velvet glove. I listen to one regularly (satin finish 'mk1.5' front with the metal knobs and 'clipping lights') and it's unburstable, just going louder and louder and even with these lamps coming on, no audible distortion and you don't realise it's flat out until you try to speak and have to raise your voice. I'm sure modern power amps are more 'subtle' perhaps, but give it some welly as designed and I feel it's all 'there.' Love it to bits and it's on the bucket list, along with some three way JBL's in more modern form...

    As for the well priced Yamaha pro amps, I'm sure they're really fine in a lean, clear but not harsh kind of way and perfect for the task of providing clean power into pretty easy speaker loads. My amps are lost in the 70's by and large, as they were 'Top End' when I started, but for someone now needing a decent dynamic range with not much to spend, I suspect they're the answer to a prayer
    Last edited by DSJR; 24-06-2018 at 11:24.
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  3. #13
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,912
    I'm Lawrence.

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    Quote Originally Posted by donmarrese View Post
    It's listed on Gumtree... Highly rated by the sound engineering fraternity.. the caps on the amplifier are bigger than my oil filter on my car!

    Sent from my ONE A2003 using Tapatalk
    Ah see it now, I've agreed to buy the Yammy so I'll see how I get on.

    Sent from my BLN-L21 using Tapatalk

  4. #14
    Join Date: May 2012

    Location: Dagenham Essex

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    I'm I'mteachingmarcotheartofpishanto.

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    I heard a big mother Yam pro amp at the Wig Wam show some years ago , it had 2 big VU meters , It sounded awful to me , It was wound up , the resulting sound well all I can say is " Overdriven " , I managed 5 mins in the room before I thought my ears were bleeding
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  5. #15
    Join Date: Jun 2015

    Location: London/Durham

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    I'm Lawrence.

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    Quote Originally Posted by Audio Al View Post
    I heard a big mother Yam pro amp at the Wig Wam show some years ago , it had 2 big VU meters , It sounded awful to me , It was wound up , the resulting sound well all I can say is " Overdriven " , I managed 5 mins in the room before I thought my ears were bleeding
    If it sounded anything like mine I can see how that would happen if paired with the wrong speakers, it works best with something a bit laid back to neutral and injects a bit of life. Anything aggressive on the treble front would be a bit OTT IMHO.

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  6. #16
    Join Date: Apr 2011

    Location: derbyish

    Posts: 58
    I'm DAVID.

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    I use old Yamaha pro studio PC4002 M . It is a v heavy amp barely liftable but has VG spec and plenty power all thro the audio range. It's inputs been modded to increase ' speed' . I feed it direct from phono pre amp ( Ear 834) and adjust attenuation for the two channels . It has fans which come in after about 4/6 hours of hard driving. I'm told newer quieter fans can be fitted as in computers but I've not been sufficiently disturbed to bother. It eats electric even on idle. I love it's sound - I'm just back from the North west show Cranage and realise my sound is not so modern sharp edgy - its more natural analogue sounding ( not sure what that means exactly)and that's why I can listen for so long. Purchased because I wanted depth of power and had little money.
    My audible range 20hz to 10Khz Yours?

  7. #17
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,383
    I'm Andrew.

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    Quote Originally Posted by Audio Al View Post
    I heard a big mother Yam pro amp at the Wig Wam show some years ago , it had 2 big VU meters , It sounded awful to me , It was wound up , the resulting sound well all I can say is " Overdriven " , I managed 5 mins in the room before I thought my ears were bleeding
    To be fair to Yamaha, any amp will sound awful if overdriven.

  8. #18
    Join Date: Apr 2011

    Location: derbyish

    Posts: 58
    I'm DAVID.

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    Quote Originally Posted by Lawrence001 View Post
    If it sounded anything like mine I can see how that would happen if paired with the wrong speakers, it works best with something a bit laid back to neutral and injects a bit of life. Anything aggressive on the treble front would be a bit OTT IMHO.

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    Absolutely right Lawrence. Mine prefers 'flat' . It will show up any component at is not so balanced. No Prisoners taken as they say . With correct performers it does shine ie it makes no change in the feed.
    My audible range 20hz to 10Khz Yours?

  9. #19
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,912
    I'm Lawrence.

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    It's here and sounding great with my Parasound P3, best power amp I've had. Will try with my Croft octal soon.

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  10. #20
    Join Date: Apr 2011

    Location: derbyish

    Posts: 58
    I'm DAVID.

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    Quote Originally Posted by Lawrence001 View Post
    It's here and sounding great with my Parasound P3, best power amp I've had. Will try with my Croft octal soon.

    Sent from my BLN-L21 using Tapatalk
    Enjoy ! I place mine in the coolest low level place to minimise fan and its whizz . But in reality I do play loud so I'd struggle yo hear it's tiny noise . And it's Built to kick out that superb vibe for ever ! A good clean screened power supply can be heard ( or rather Not heard) and I use screened speaker leads ( eg Supra ply ( earthed to mains earth) I found audible benefit from these two factors in my old house .
    My audible range 20hz to 10Khz Yours?

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