Hbomb - Marantz 8

RuSsMaN
RuSsMaN Posts: 17,987
edited April 2005 in 2 Channel Audio
HbombToo is stepping up to the audio plate.

Here is your amp broham, we'll discuss hand-delivery.

Cheers,
Russ
Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
Post edited by RuSsMaN on
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  • RuSsMaN
    RuSsMaN Posts: 17,987
    edited February 2005
    Quad of matched Amperex 6CA7/EL34, duet of GE 6GC7, and a duet of RCA 6BH6.
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • RuSsMaN
    RuSsMaN Posts: 17,987
    edited February 2005
    Built in Bias meter, EL34 push-pull greatness. This one belongs in a museum.
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • RuSsMaN
    RuSsMaN Posts: 17,987
    edited February 2005
    ****-end. Got this one from the original owner, all components are original, and she sings WONDERFULLY. What an amp.

    Cheers,
    Russ
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • Dennis Gardner
    Dennis Gardner Posts: 4,861
    edited February 2005
    I just love jazz on some vintage tube gear! That 8 looks really clean.

    Did you get your ST70 sold Russ?
    HT Optoma HD25 LV on 80" DIY Screen, Anthem MRX 300 Receiver, Pioneer Elite BDP 51FD Polk CS350LS, Polk SDA1C, Polk FX300, Polk RT55, Dual EBS Adire Shiva 320watt tuned to 17hz, ICs-DIY Twisted Prs, Speaker-Raymond Cable

    2 Channel Thorens TD 318 Grado ZF1, SACD/CD Marantz 8260, Soundstream/Krell DAC1, Audio Mirror PP1, Odyssey Stratos, ADS L-1290, ICs-DIY Twisted , Speaker-Raymond Cable
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  • RuSsMaN
    RuSsMaN Posts: 17,987
    edited February 2005
    I had 3, Mike (BlueMD) bought one, an ebay crackpot bought another, haven't done anything with the last one yet.

    Cheers,
    Russ
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • fireshoes
    fireshoes Posts: 3,167
    edited February 2005
    Beautiful. :)
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  • Mothra
    Mothra Posts: 20
    edited February 2005
    One word...Wood! That is a beautiful piece of gear!

    I would love to get a stereo tube amp, but with all the choices out there, I don't know where to start. Any advice from Russ and the rest of you tube gurus? Has anyone built one from a kit, rather than buy one? Any advantages?

    Thanks!
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  • Tour2ma
    Tour2ma Posts: 10,177
    edited February 2005
    "Manufacture Years: 1960 - 1962 "

    Museum... you got that right...

    Unbelievably pristine for that age... A real find there, Russ...

    Congrats, Henry.
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "Death doesn't come with a Uhaul." - Dennis Gardner
    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
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  • Mjr7531
    Mjr7531 Posts: 856
    edited February 2005
    I feel dumb for asking, but...
    Russ, what are the "Test" inputs for?
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  • nadams
    nadams Posts: 5,877
    edited February 2005
    Don't worry... I was going to ask the same thing

    Also, what's the output?
    Ludicrous gibs!
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  • danger boy
    danger boy Posts: 15,722
    edited February 2005
    Wow.

    Simply amazing looking. I can only imagine how well it sounds.
    PolkFest 2012, who's going>?
    Vancouver, Canada Sept 30th, 2012 - Madonna concert :cheesygrin:
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  • Tour2ma
    Tour2ma Posts: 10,177
    edited February 2005
    Found a couple references saying "Power: 30"... Based on similarities with the Dynaco ST-70, 30 wpc looks about right...

    Found nothing on the test input question...
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "Death doesn't come with a Uhaul." - Dennis Gardner
    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
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  • RuSsMaN
    RuSsMaN Posts: 17,987
    edited February 2005
    I have no idea on the 'Test' inputs, I'll ask my tech though.

    Output is 25-27wpc. You can run EL34's at higher voltages and get more power - but a lot of GOOD amps don't like to run tubes on the ragged edge of their capabilties. By backing it down a little bit, tube life and overall reliabilty is substantially increased.

    Cheers,
    Russ
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • HBombToo
    HBombToo Posts: 5,256
    edited February 2005
    I am so stoked right now words can't even begin to describe.

    Russ YOU ARE THE MAN!

    Thanks and looking forward to setting her up.

    Henry
    ***WAREMTAE***
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  • VR3
    VR3 Posts: 28,756
    edited February 2005
    The Test inputs are the ones to use on the 8B. Sid Smith, who did most of the design work on the 8B insisted that rumble filters be used to counteract the noisy turntables of the day. Marantz disagreed, so they compromised by adding the test input, which is unfiltered.
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • HBombToo
    HBombToo Posts: 5,256
    edited February 2005
    How in the eff did you know that Trey?
    ***WAREMTAE***
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  • VR3
    VR3 Posts: 28,756
    edited February 2005
    Who said "I" knew it?

    A website on google knew it!

    Search: test inputs, marantz
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • HBombToo
    HBombToo Posts: 5,256
    edited February 2005
    Good job there little bro.

    I was thinking I may have some problem with my Spade lugs on my CV6 not fitting into the posts.

    There is always a work around but has anybody encountered this and what have you done?
    ***WAREMTAE***
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  • Tour2ma
    Tour2ma Posts: 10,177
    edited February 2005
    Originally posted by HBombToo
    How in the eff did you know that Trey?
    LOL... exactly my thought... Did seem a tad eloquent for our boy...
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "Death doesn't come with a Uhaul." - Dennis Gardner
    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
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  • VR3
    VR3 Posts: 28,756
    edited February 2005
    I thought it was funny, Sid Smith... musta been a smart man ;)
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • Tour2ma
    Tour2ma Posts: 10,177
    edited February 2005
    Cool... now we can call you Mr. Smith, too...

    H,
    On your speaker connection question...

    Yup, an issue with the ST-70 (and a lot of old gear for that matter).

    I've seen mods to 5-way posts that do not involve butchering the chassis... which is the only way to go IMO with a piece of vintage gear.

    I've got a link around here somewhere...

    Here's one, but not the one I remember that included pic's...
    http://www.netaxs.com/~vkalia/st70-rebuild1.html
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "Death doesn't come with a Uhaul." - Dennis Gardner
    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
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  • HBombToo
    HBombToo Posts: 5,256
    edited February 2005
    Thanks for the kick start Tour and thats a pretty cool site even though there are no pics.

    HBomb
    ***WAREMTAE***
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  • Tour2ma
    Tour2ma Posts: 10,177
    edited February 2005
    Still no can find the one I'm remembering, but building out from the chassis with mylar boards is the key...

    And since you can give up two of the three pairs of positive terminals (the 8 and 16 ohm), you should have the added space you need for the posts...

    Gotta go... Super Bowl time...
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "Death doesn't come with a Uhaul." - Dennis Gardner
    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
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  • nadams
    nadams Posts: 5,877
    edited February 2005
    Originally posted by Vr3MxStyler2k3
    Who said "I" knew it?

    A website on google knew it!

    Search: test inputs, marantz

    Not to start anything or harp on you or anything, but you implied that you knew it when you didn't cite a source for the information (IE- a link to the page you got it off of).

    Point is, you did the work to search when everyone else just sat and waited for an answer :D
    Ludicrous gibs!
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  • dorokusai
    dorokusai Posts: 25,577
    edited February 2005
    Not everyone was waiting.
    CTC BBQ Amplifier, Sonic Frontiers Line3 Pre-Amplifier and Wadia 581 SACD player. Speakers? Always changing but for now, Mission Argonauts I picked up for $50 bucks, mint.
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  • gidrah
    gidrah Posts: 3,049
    edited February 2005
    VERY nice looking amp! I'm jealous.
    Make it Funky! :)
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  • BlueMDPicker
    BlueMDPicker Posts: 7,569
    edited February 2005
    Originally posted by HBombToo
    Good job there little bro.

    I was thinking I may have some problem with my Spade lugs on my CV6 not fitting into the posts.

    There is always a work around but has anybody encountered this and what have you done?

    Congrats on the new amp! Looks like this was the inspiration for the VTL "L" amps as well.

    There is a seller on eBay (in HK as I recall) that occasionally offers barrier strip adapters for Marantz/McIntosh/Dynaco. I just did a search and don't see any listed at the moment. The adapter creates a 3-way binding after being installed on the original lugs to allow for normal spades, bananas, or bare wire. No chassis modifications are required and the adapters look to be very well made. I'll keep an eye out.

    Enjoy!

    Not what I mentioned above, but very well made with quality components and sexy for a classic amp like yours:
    "Outpost" output adapter
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  • BlueMDPicker
    BlueMDPicker Posts: 7,569
    edited February 2005
    Oh, and BTW - I made a set of speaker cables for my ST-70 by using Radio Shack gold-plated spades and some old Esoteric Reference wire laying about. I used aviation shears to trim the outside diameter of the spades a fuzz, then gently closed the gap on the spades to fit the Dynaco terminal strip without touching adjacent tap screws. The speaker end is terminated with dual bananas (again from Radio Shack) cinched on bare wire.
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  • HBombToo
    HBombToo Posts: 5,256
    edited February 2005
    Thanks MD.

    Ya know I been sitting on Polk Cobra Cable for a while. I have wanted to use it in the worst way but only in the right application and this may just be the ticket.

    HBomb
    ***WAREMTAE***
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  • Tour2ma
    Tour2ma Posts: 10,177
    edited February 2005
    Cobras kill full range amps... Not sure your new toy is one... but not sure it isn't either...

    That Outpost adapter is pretty neat. I can imagine what the other that mounts on the chassis looks like as well. Drawback is both add an extra connection point.
    More later,
    Tour...
    Vox Copuli
    Better to remain silent and be thought a fool, than to open your mouth and remove all doubt. - Old English Proverb

    "Death doesn't come with a Uhaul." - Dennis Gardner
    "It's easy to get lost in price vs performance vs ego vs illusion." - doro
    "There is a certain entertainment value in ripping the occaisonal (sic) buttmunch..." - TroyD
    · Share on FacebookShare on Twitter