Are passive preamps better?


Does a passive preamp with transformers so that its impedence can be matched with an amplifier have the potential to provide better sonics than a line preamp? I have a Simaudio Celeste preamp and a Harman Kardon Citation 7.1 amplifier. Lynne
arnettpartners

Showing 3 responses by acoustat6

Hello, I have been using a passive preamp for the last eight years or so and had tried them prior to that. I was also trying SS and tube preamps till the passive "won" the contest for me. No loss of dynamics or sonics but improved clarity and resolution with decreased noise and colorations.

I have no need for switching as I only use a TT, though that is possible with a passive, I use "naked" attenuators (no switching). Why add unnecessary gain, colorations, expense, complication and noise if you dont need the gain?

Now it is active 12 to passive 7. Not as terribly lopsided as one would think.

Bob
Hi Arnettpartners, When doing a passive preamp the type and quality of the attenuators are critical, You may want to check out Goldpoint at http://www.goldpt.com/ for some info and their products. Even if you dont go for a passive preamp it is good to change all potentiometers in any of your equipment to stepped attenuator types for much improved channel balance and clarity.
Bob
Hi Arnett, You should give Arn Roatcap at Goldpoint a call if you are looking for some good info on passive preamps and stepped attenuators. I have spoken to him several times and he was quite helpful and great to deal with. The attenuators he sells are quite nice you would be very happy with the quality. I have the newer SMD and the older ladder type with Vishay resistors. I will at some point change the potentiometers in my Marchand bassis with them, I have stepped attenuators in my Marchand crossover. So dont forget, even if you don't use a passive preamp you still need to talk to Arn if your preamp does not use quality stepped attenuators, No Pots.

Just remember your system does need to be "set up" for passives to work, There are several parameters to think about and to address properly before passives can obtain synergy with your system. Only then can you make an informed decision on them.
Bob.