How do you add remote control to a preamp, here's how.


I purchased a new passive preamp on ebay (made in China) for little over a hundred dollars and.It looks very well built. There is absolutely no gain from input to output. The only thing in the signal path is an Alps volume pot and it is remote controlled. It has four quality inputs and one pair of outputs. I connected my sources to the passive preamp inputs and the pair of outputs to one of the inputs of the non remote preamp. Adjusted the volume halfway on the non-remote preamp. Wella, the remote now controls the volume and input selection via the passive preamp and it sounds marvelous.

phd

Showing 10 responses by phd

ozzy62, you make a good point. however, the parts used including the RCA inputs, the Alps pot, are imported from Japan, at least that's what the manufacturer states. But I'm listening very carefully to the results and my initial impressions are positive. But is the overall sound quality maintained by the active preamp, time will tell. If there is a slight degradation of sound then that could be the trade off by having the convenience of remote control through a passive preamp. But so far so good. No this is not a new idea but a reminder how this could be done.

elliottbnewcombjr, I wish it was that simple, no tape loop or processor loop. Bare bones CJ ss preamp, I'm lucky it has its own volume control.

Mashiff, I think you are on track. I will eventually try the resister ladder volume control. Who knows I might be pleasantly surprised!

ozzy62, I had a passing thought of hooking up the passive preamp directly to my amp and see what happens. I'm going ahead and do that and I will report back on the results. Hopefully there will be enough gain to satisfy me. I have some doubts though considering it is a CJ solid state amp and their matching preamps have a higher gain to drive it.

The points above are well taken to get a better passive but I wanted to try this route to make sure this will basically work for me and with the excellent recommendations above I'm going to look into a better passive. But I will need at least three inputs and of course a remote.

jji666, the preamp is one of the most important pieces in the audio chain as you would agree. I really like the combination of my CJ preamp to my CJ amp, a lot of synergy Plus I'm not going to spend a great deal of money to get another CJ preamp with remote. So, I'm looking into the passive preamps that inflict the least amount of damage to the sound.

dancub, luminous Audio axiom has circuitry for remote control operation, correct? Also don't they require to know what the input impedance is for your power amp so they can configure the axiom properly to match and drive it successfully?

Ozzy62, I want to look into that one as well.

pennfootball71 if you want to make some extra cash, you could hold the knob and I'll turn the preamp. Or just get a remote and be done.

clio09, I never thought of putting the passive after the active preamp and then turning the volume wide open on the active preamp. I want to know if this could cause damage to any of the components involved.  Also, in this scenario what preamp do you connect the sources to, the active or passive preamp?