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In Reply to: RE: Audio Technica ART9 a good move from DV XXIIMk2? posted by eduardoo on November 24, 2014 at 01:51:56
Your Accuphase should work well with the ART9 with a 100 ohm load. As you state, the ART7 with its 0.12 mv output would be a problem for your system. A step up transformer could be an option if you can get 74-76 dB of boost from your moving magnet set up in combination with a step up transformer. Otherwise forget it. 100 ohms is the standard loading suggested by Audio Technica. The ART9, with its 0.5 mv output should not be a problem whatsoever.
As for it being superior to your current cartridge, I cannot say. Bang for the buck usually favours the Audio Technica.
Follow Ups:
According to spec, the phono card has 68db of gain in its high gain MC mode. I am now using its 62db lower gain mode. Just out of curiosity, would that suffice for the ART7 or does it really need a transformer to shine?
I think 68-dB gain would work for the ART7. That's about the minimum I would want, though. The rated output of the ART7 is 0.12-mV. That means that 68-dB gain would amplify that to 301-mV and you would get a maximum output from playing records of about 3-volts.
Best regards,
John Elison
FWIW, with ART7 I prefer 1K loading on Pass XP-25. With this cartridge there are only minor differences across the range from 100R to 1K.
Thanks.
How would you characterize the sound of your ART7 as compared with other carts?
It sounds more natural and refined than I expected from AT. It easily surpasses the few MCs that I've recently owned(Lyra Helikon, AQ7000 Fe5, Denon DL-S1). Very resolving, spatial, extended at both extremes of FR, neutral, and dynamic without being forced or up front.
Assuming that your Accuphase is reasonably quiet you should be fine with 68db of phono gain. With the Pass XP-25 ART7 works well at 76db or 66db, with a modest increase in preamp volume necessary at 66db phono.
The big question is whether the ART9 is any better. I would speculate that the higher-output user-friendly ART9 was introduced to reach a broader market, and that the lower-output ART7 sounds better owing to its non-permeable coil formers. Reportedly the later higher-output iterations of the similar Ortofon MC2000 were not as good as the original version with miniscule output. I'll go with along with this story until shown otherwise.
Wow - love my AQ7000 fe5, so that is saying something... a couple of questions if I might :)
What is the recommended VTF of the art7?
And how does the bass compare between your memory of the AQ7000fe5 and the Art7? and same for staging...?
It would be with a 68db gain phono stage (with the art7 being about a 1/3 less output over the .4mv AQ)
VTF spec is "1.6-2.0 g(1.8g standard)". I like around 1.7g.
Agreed, an AQ7000 Fe5 is nice. I'll try to find the time to remount it for a fresh comparison. My recollection is that it's a bit recessed and sepia toned compared to the AT.
With wide-range recordings ART7 has excellent LF extension and control-- but it doesn't compensate where bass is lite in the grooves.
Wow, concise and I think I hear the differences... well said. If you do that comparison again, just shoot me a line, or post here! That would be cool to hear about... I just know the Aq7000fe5 is more like the Titan, than any other Lyra I have heard. Maybe not as detailed, but dynamic, nice stage, and big bottomed, like you said, when recorded or stamped that way.
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