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PostPosted: Sun Aug 27, 2017 9:37 am 
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Joined: Tue Oct 20, 2015 4:22 pm
Posts: 71
Location: Waterloo, ON, CA
Can anyone recommend a vintage tube amplifier that can drive a pair of Epicure 3.0 tower speakers?
http://www.humanspeakers.com/e/epicure-3.0.htm

Speakers are 4 ohm impedance.
RMS power recommended is 30 to 250 W.

From the link above, "The speaker sensitivity was fairly low, as one would expect from any acoustic suspension system, so a 2.8 volt input of random noise in the 1,000 Hz octave produced an 84 dB sound pressure level (SPL) 1 meter from the grill. This corresponds to 2 watts into the speaker's nominal 4 ohm impedance."

Is there a vintage tube amplifier that can drive these for near field listening only (about 3 meters)?
Looking to hear the smooth midrange that tubes are known for, but without losing much of the lower end.
I have no experience with tube amps, any help or hints is appreciated. Thanks in advance!


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PostPosted: Sun Aug 27, 2017 9:53 am 
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Joined: Wed Mar 28, 2012 3:37 pm
Posts: 125
Location: tonawanda, NY, US
I'd check out a HK citation V, a ballsy 40w tube amp. I have one that's been modified to use KT66 tubes and have had it hooked up to a pair of magnepan MGII and it drove them well at normal to loud listening(though not ear splitting)level. It's very neutral sounding and let's them tube magic shine through!


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PostPosted: Sun Aug 27, 2017 10:13 am 
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Joined: Sun Jun 16, 2013 11:17 am
Posts: 986
Location: St. John's, NL, CA
Do you have a budget in mind, at least roughly? And what do you take as vintage; how old?
How about a vintage Audio Research:
http://www.canuckaudiomart.com/details/ ... rch-d-75a/

Or the D115mkii, one of the finer amps ARC ever produced, back in the day :-)
http://www.usaudiomart.com/details/6492 ... -d115-amp/

If you don't have the budget for the Audio Research gear, there's a chap in Michigan unloading a couple Heathkit amps, either should do the job (damn those are inefficient speakers)
http://www.usaudiomart.com/details/6493 ... tube-amps/
http://www.canuckaudiomart.com/details/ ... nsformers/


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PostPosted: Sun Aug 27, 2017 10:35 am 
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Joined: Tue Oct 20, 2015 4:22 pm
Posts: 71
Location: Waterloo, ON, CA
Thanks for all suggestions.
If I end up with a tube power amp then I assume a tube preamp would be required to obtain the tube sound characteristics?

I've seen some tube integrated amps such as the Scott 299c or Fisher kx200 that have 30W rms per channel, but are these capable of driving these speakers?


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PostPosted: Sun Aug 27, 2017 11:27 am 
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Joined: Wed Mar 28, 2012 3:37 pm
Posts: 125
Location: tonawanda, NY, US
flo777 wrote:
Thanks for all suggestions.
If I end up with a tube power amp then I assume a tube preamp would be required to obtain the tube sound characteristics?

I've seen some tube integrated amps such as the Scott 299c or Fisher kx200 that have 30W rms per channel, but are these capable of driving these speakers?
Don't assume you need a tube preamp, a good ss preamp with a tube power amp can sound great.. I have Scott LK-72(kit version of the 299) and I think it would do the job, as long as your room isn't too big or you don't listen too loud. I had mine hooked up to a pair of maggie smga's ( maggie's easiest to drive) and was satisfied in my 12x15" space. BTW, my Lk72 is for sale.


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PostPosted: Sun Aug 27, 2017 12:00 pm 
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Joined: Sun Jun 16, 2013 11:17 am
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Location: St. John's, NL, CA
If you're looking at an integrated amp, I take it then that your budget is limited. First, I have never heard those speakers, so I'm not exactly sure how they sound or what they need. However, they're a difficult load (4ohms and 84dB), so I should think you would need some power to drive them effectively. Small vintage integrateds might not have enough oomph. Here's an integrated that puts out 100 watts/side for a good price; but it's not vintage:
http://www.canuckaudiomart.com/details/ ... amplifier/


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PostPosted: Sun Aug 27, 2017 12:09 pm 
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Joined: Wed Jul 23, 2008 5:04 pm
Posts: 1652
Location: saskatoon, SK, CA
what are you powering them with now?
how loud do you go? or...how much power do you think you actually use?

I've had 90db speakers on a 300b integrated and the same on a 180w/ch ss and enjoyed both.

all depends on your expectations.


to the other poster - 40w from a pair of kt66's?! kinda pushin them to the limits, no?


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PostPosted: Sun Aug 27, 2017 12:44 pm 
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Joined: Tue Oct 20, 2015 4:22 pm
Posts: 71
Location: Waterloo, ON, CA
I am using a nakamichi pa-7 power amplifier (rated at 200W rms into 8 ohm). I am very satisfied with the sound.
The only reason I want to try a tube amp is to hear that midrange that everyone talks about.
Looking for something on a budget but still capable of a different sound characteristics compared to a good solid state amp.


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