Dutchfly cartridge YouTube video's

Triumph · 14th March 2007, 07:13 PM

I saw some cartridge movies on Youtube made by Dutchfly.

AT440MLa
Goldring 1042
Grado Prestige Gold
Denon DL-160

I have a couple of questions about them: (to Dutchfly or others)
1. I hear you naming the frequencies but the tone I hear is much higher. Must I multiply it with 1000 or have you electronically raised the freq?
2. I saw that with curtain freq the cart is starting to shake, is this because of the compliance of the cart? AT 10cm/dyne, Denon 10, Goldring 16 and Grado 20.
The Denon doesn’t shake at all and the tone stays stable, medium mass arm of the Technics?

Triumph · 14th March 2007, 07:16 PM

Sorry the Goldring 1042 doesn't shake at all. The Grado shakes like dancing the Twist.

sq225917 · 15th March 2007, 12:20 AM

the goldring starts wandering between 11-9hz, not as much as the others though,more distributed.

jrevillug · 15th March 2007, 06:44 PM

Interesting that the AT has a resonant frequency of ~8Hz in this arm- using an online calculator, and arm between 2.5g and 13g eff. mass would get this cart within the 8-12Hz frequency range.

This ranges to a little heavier than I would have expected, given the high compliance of this cartridge.

Also, the calculation for the Dynamic compliance give 20.8x10^-6 cm/dyne. The spec sheets give a value of 10 for the dynamic compliance, and 40 for the static.

Just thought I'd mention it.

James

14th March 2007, 07:13 PM	#1
Triumph diyAudio Member Join Date: Jun 2005 Location: Holland	Dutchfly cartridge YouTube video's I saw some cartridge movies on Youtube made by Dutchfly. AT440MLa Goldring 1042 Grado Prestige Gold Denon DL-160 I have a couple of questions about them: (to Dutchfly or others) 1. I hear you naming the frequencies but the tone I hear is much higher. Must I multiply it with 1000 or have you electronically raised the freq? 2. I saw that with curtain freq the cart is starting to shake, is this because of the compliance of the cart? AT 10cm/dyne, Denon 10, Goldring 16 and Grado 20. The Denon doesn’t shake at all and the tone stays stable, medium mass arm of the Technics? __________________ Triumph

14th March 2007, 07:16 PM	#2
Triumph diyAudio Member Join Date: Jun 2005 Location: Holland	Sorry the Goldring 1042 doesn't shake at all. The Grado shakes like dancing the Twist. __________________ Triumph

15th March 2007, 12:20 AM	#3
sq225917 diyAudio Member Join Date: Jun 2004 Location: sheffield	the goldring starts wandering between 11-9hz, not as much as the others though,more distributed. __________________ hoping to pick up some things.

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15th March 2007, 06:44 PM	#4
jrevillug diyAudio Member Join Date: Aug 2006	Interesting that the AT has a resonant frequency of ~8Hz in this arm- using an online calculator, and arm between 2.5g and 13g eff. mass would get this cart within the 8-12Hz frequency range. This ranges to a little heavier than I would have expected, given the high compliance of this cartridge. Also, the calculation for the Dynamic compliance give 20.8x10^-6 cm/dyne. The spec sheets give a value of 10 for the dynamic compliance, and 40 for the static. Just thought I'd mention it. James

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