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In Reply to: RE: "True" Mono Cartridges? posted by Crazy Dave on August 27, 2016 at 13:28:00
I have the Ortofon Quintet Mono. It is listed in the "True Mono" link you provided. But on the "Read More" page for Quintet Mono itself it says:
"Quintet Mono uses a strapped output to deliver the same output signal from both sets of pole pins."
What does this mean? Is it "True Mono" (compliance in only one direction) or not?
rlindsa
Follow Ups:
I emailed Ortofon support and got a nice response. I'm seeking their permission to post here; also invited them to post here directly if they prefer.
rlindsa
Ortofon gave me permission to post this.My question to them:
"I have a Quintet Mono and love it. So this is not a complaint, but just a question for clarification.
On your website (http://www.ortofon.com/hifi/cartridges-ranges/true-mono), you discuss True Mono cartridges. On that website, you say: "Another significant advantage of using a mono cartridge to play mono records is the absence of response to vertical movement. This means that a mono cartridge is essentially impervious to the pinching effect which comes into action when the stylus is pushed vertically upward in very narrow grooves. In addition, the response to dust, dirt and wear will be reduced substantially as the vertical component will not be heard. The final result will be a much more clean and noiseless reproduction of the mono record. These effects simply cannot be achieved merely by the use of a mono switch." From that, I assume you mean that a True Mono cartridge does not respond to movement in the vertical direction.
"Later on the same page, you identify the MC Quintet Mono as a True Mono cartridge. But on the "Read More" site for the Quintet, it says "Quintet Mono uses a strapped output to deliver the same output signal from both sets of pole pins." I'm confused by that statement. Some people claim that statement means the Quintet Mono is NOT a True Mono cartridge. Put more simply, does the Quintet Mono respond at all to vertical movement?
"Thanks in advance."
Their response:"There is no contradiction between the statements on our website.
"Our true mono cartridges detect the lateral signal only: true mono means the cartridge uses a strapped output to deliver the same output signal from both sets of pole pins (positive phase of the output signal corresponds to either outer or inner groove wall and the negative phase of the signal of course to the other groove wall). This eliminates the need for mono-specific equipment and makes it possible to enjoy true mono reproduction on any stereo playback system. There is only one signal out and this is on both pair of terminals for convenience since - again - most people have stereo equipment and need signal for both channels.
"Quintet Mono is a true mono cartridge."
rlindsa
Edits: 08/30/16
The context of "strapped" seems to have been the confusion here. Thanks for the clarification!
Dave
will post what they say.
rlindsa
I guess you need to be careful!Dave
Edits: 08/28/16
It looks like I'm going to opt for a Denon DL-102.
I'd like to thank everyone who contributed to this thread for their input!
a stereo cartridge adapted for mono. Vertical response will be present, but theoretically canceled by summing the output from both sides of the cartridge to create a single output signal.
In practice the vertical component does not fully cancel out, and introduces distortion and phase anomalies that are audible.
Very few real mono cartridges available. Lots of cartridges adapted for mono however.
I mentioned this contradiction in my post above your response to Crazy Dave.
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