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Old 6th July 2012, 11:53 AM   #1
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Default Is this speaker a good choice for Tube amps

Is this JBL speaker a good choice for a tube amp?*|*JBL

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Old 6th July 2012, 01:24 PM   #2
rongon is offline rongon  United States
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Location: Across the river from Rip's big old tree...
FWIW, from an online review:

"The ES80 presents a nominal 8 ohm load with a 91dB efficiency. The speaker proved to be a tougher load than the specs would indicate and needed good-quality power to open up properly, not excelling with entry-level power sources. Better-quality power sources improved things significantly."

That does not bode well for use with low power tube amps, especially those amps with no global NFB to reduce the amp's output resistance.

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Old 6th July 2012, 02:51 PM   #3
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Bruce, there are many good choices out there. What's your budget?
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Old 6th July 2012, 04:20 PM   #4
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I'd consider other options. How much $$ do you have to spend?
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Old 6th July 2012, 05:37 PM   #5
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Originally Posted by rongon View Post
...The speaker proved to be a tougher load than the specs would indicate and needed good-quality power to open up properly
A statement that can usually be paraphrased to, this speaker has an ugly impedance curve.... not something you want with a typical tube amp.

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Old 6th July 2012, 07:32 PM   #6
sreten is offline sreten  United Kingdom
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Depends on the tube amp of course, some it will suit, some it won't.
Some tube amps due output impedance don't suit multiways at all.

rgds, sreten.
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Old 7th July 2012, 01:22 AM   #7
tomchr is offline tomchr  Canada
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I'm pretty happy with my KRK R6 speakers on my 300B SET amp. I paid $240 total including shipping for the speakers.

Studio monitors is where it's at in my opinion. Incredible bang for the buck. And specs... What a concept. My KRKs are flat from about 50~60 Hz up past 15 kHz. I think at 20 kHz they're a few (2~3) dB down. Like most speaker with a passive XO, they do have a slight harshness around the crossover frequency due to cone breakup. I run mine biamped with an active XO. That takes care of the harshness...

Modulus-86: 40W/8Ω @ 0.000061% THD. HP-1: 3W/20Ω, 450mW/300Ω @ 0.000032% THD. DG300B and Other Tube Circuits.
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