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How important is ext. adj. for cartridge loading

Hello Folks,

A New Phono Preamplifier will soon be introduced - MSRP around $1750 - $2000

A small "focus group" questionnaire - On a Phono Preamplifier how important is it to you that MC cartridge loading is adjustable from the front panel of the amplifier? How often do you "fiddle" around with loading ? Enough to warrant the cost increase, probably about $200 for the additional switches faceplate machining etc. pricing the preamp towards the higher end of projected price?

Same goes for MM/MC switching Would external selection be preferable to a internal Jumper setting ?

Is a MUTE function desirable on the front panel as well?

MC loading is at 100, 220, 330, 500 Ohms and 47K Ohms, do you think these are OK or would you like other values?

We have designed the unit so it can be used as a fully differential unit as well with one balanced input and one balanced output, you'd need two of them for stereo, do you find this desirable? Would you prefer this mode of operation to be selectable from the outside (switch on back) or would internal jumper selection be enough?

Thanks in advance for your thought on these questions

Peter
128x128pbnaudio

Showing 1 response by hesson11

hesson11
237 posts
 
Front-panel switching would be a huge influence for me to buy the preamp. Worth the price difference. If I had several candidates that were otherwise nearly equal, this would swing your unit into favor, for sure.

I'd also scrap the balanced option and replace it with multiple gain settings instead of just mm/mc switching.

One suggestion: Do a search of the various analog forums for "Mono." See all those posts? Put a mono switch on it instead of the mute. Mono shall rise again!

=Bob
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