Author Topic: C-1 and Moving Coil Cartridge Loading  (Read 235 times)

Offline RnR

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C-1 and Moving Coil Cartridge Loading
« on: July 26, 2022, 11:41:21 AM »
Hey there,

I have a Carver C-1 preamp and have been toying with the idea of upgrading my cartridge to a Denon 301 MK II.

This is a moving coil cartridge that likes to see impedance load of 300+ according to various forums


I originally thought I'd be good to go, as the C-1 has loading switch where you can choose 0/100/390pf.  As I dug deeper, I realized this loading switch is for the moving magnet phono (phono 1), not the moving coil phono (phono 2)

Am I overlooking something, or is phono loading more often associated with MC cartridges, making the MM phono loading of the C-1 rather strange?

Any advice on how to make the gain/loading specs of the cartridge properly match the C-1?

Thanks!


Offline scorpio333

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Re: C-1 and Moving Coil Cartridge Loading
« Reply #1 on: August 01, 2022, 08:33:30 PM »
Not sure if you ever sorted this.

pf or picofarads is for setting capacitance for MM or MI carts.

For moving coil you want impedance or resistance measured in ohms.

I scanned through the manual for the C1 and those switches are only for phono 1 - moving magnet/moving iron. The manual states phono 2 is 39 ohms. 39 ohms is way off from 300 and is

I'm not familiar with Carver stuff, my Jolida has 70, 100, 150, 300, 1,000 and 47,000 ohm settings. The manual states the gain can be altered by replacing resistors, but again makes no mention if the resistance can be changed on phono 2. I'm sure somewhere inside it could be changes, but that may be hard to find/figure out.

You could use a step up transformer (SUT) into phono 1. Or a MC pre into one of the other inputs.