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Re: 100,000 ohms! [message #13648 is a reply to message #13647]

Mon, 11 February 2008 12:10

Wayne Parham
Messages: 18789
Registered: January 2001

Illuminati (33rd Degree)

Since the load sets damping of the coil, it will surely impact the sound. I would guess a higher impedance load would tend to increase output at the stylus resonance and a lower impedance load would decrease it, but that's just a guess. Might make a little more bass with higher impedance and a little less bass with lower impedance. Probably change the overall output level too.

The standard load is 47KΩ and most phono stage amps have this across the input line. Did you remove that resistor or did you add 100KΩ across the line, making total impedance 32KΩ? I'm wondering if the idea is to reduce damping by replacing the 47KΩ load with a 100KΩ load, or if it's to increase damping by adding more shunt resistance, lowering the load to 32KΩ.

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[Message index]

		100,000 ohms! By: Bill Epstein on Fri, 08 February 2008 22:20
		Re: 100,000 ohms! By: Wayne Parham on Mon, 11 February 2008 12:10
		Re: 100,000 ohms! By: Bill Epstein on Mon, 11 February 2008 17:15
		Re: 100,000 ohms! By: Wayne Parham on Mon, 11 February 2008 19:07
		Re: 100,000 ohms! Uhhhhh, maybe not. By: Bill Epstein on Sat, 16 February 2008 23:34
		Re: 100,000 ohms! Uhhhhh, maybe not. By: SteveBrown on Sun, 17 February 2008 09:11
		Re: 100,000 ohms! By: hurdy_gurdyman on Tue, 12 February 2008 12:02

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