Cartridge loading- Low Output M/C

krelldog

New Member
Apr 4, 2018
10
0
1
#1
I have a Plinius Koru- Here are ADJUSTABLE LOADS-
47k ohms, 22k ohms, 1k ohms, 470 ohms, 220 ohms, 100 ohms, 47 ohms, 22 ohms

I'm about to buy an Ortofon Cadenza Bronze that recommends loading at 50-200 ohms

Will 47 ohms work? Or should I start out at 100 ohms?

I'm obviously not well versed in this...and would love all the help I can get.

Also is there any advantage to buying a phono cartridge that loads exactly where the manufacturer recommends?

Any and all help would be greatly appreciated.

Thanks in advance.
 
May 27, 2013
406
1
18
Chicago suburbs
#2
I run the Cadenza Bronze loaded at 100 ohms and would suggest you start there. You can then experiment if desired with 47 ohms or 220 ohms to see if you prefer either of those settings, but you don't have to be concerned with being slightly outside the recommended range. Congrats on the Cadenza Bronze, it's a very fine cartridge and an exceptional value in today's market!
 
May 27, 2013
406
1
18
Chicago suburbs
#4
audio.bill- Thanks for the reply. Which gain setting would you use- 60db's or 66 ?
That can depend upon the gain of your linestage and amps as well as speaker sensitivity. With the 0.4mV output of the Cadenza Bronze I'd suggest trying 60dB to start and only raise it to 66dB if additional gain is needed to reach your desired volume with good dynamics. Experimentation is fine with such settings and determining which is ultimately best can be system dependent.
 

Atmasphere

[Industry Expert]
May 4, 2010
807
1
18
St. Paul, MN
www.atma-sphere.com
#6
As mentioned on Audiogon, your best approach is to always start with the stock 47K, and try to get a tone arm cable with the least capacitance that you can.

As has been discussed elsewhere on this site, the loading can adversely affect the tracking ability of the cartridge at high frequencies, as the loading is forcing the cartridge to do more work. This in turn makes the cantilever of the cartridge stiffer- hence the high frequency energy reduction!
 

krelldog

New Member
Apr 4, 2018
10
0
1
#7
Atmasphere- Can you recommend some phono cables that have low capacitance like you mention ?

Thanks again for all your insight.
 

Atmasphere

[Industry Expert]
May 4, 2010
807
1
18
St. Paul, MN
www.atma-sphere.com
#9
Atmasphere- Can you recommend some phono cables that have low capacitance like you mention ?

Thanks again for all your insight.
If single-ended, this cable is quite good (don't be alarmed by its low price), being made of low capacitance Mogami cable:
https://www.kabusa.com/frameset.htm?/wirewin.htm

I don't know if they do balanced, but we've been making balanced phono cables with the same Mogami cable for decades.
 

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