Enhanced Signal Boosting with Peripheral/PAC LD10 Line Driver Review

Not the most stylish and compact design but good value and I've had good luck with PAC products in the past, rebuilding a car audio system, mostly using what I already had . So I settled on an old Alpine head unit. Eventually it was replaced with a newer Kenwood dedicated to USB and Aux inputs, as well as a more powerful Class D internal amplifier. But I wasn't planning on using the radio's internal power, just external amplifiers. Alpine had an excellent CD section and now have inexpensive…

I have successfully used this linear amplifier in a non-automotive application. It seems to work. Stations featuring our favorite online radio stations to listen to around the house. I built a relay box to route this sound both to the receiver when the receiver is on and directly to the transmitter when the receiver is off. For unknown reasons, there is an audio pad in the receiver for this input, which produces a drop of about 3 dB in the transmitter when the receiver is switched on. I used to

. Although I checked all my bases at the service entrance and in my gear - it was still there. I considered using a quality built in cable transformer but I was concerned about losing the high frequency channels and of course if I had a problem with the cable the cable man would wag his finger and remove it. I took a chance with a PAC LD10. It's not advertised for this app and I couldn't find any schematic or schematic documentation, but for the price I had nothing to lose. The first thing I…

The LD10 does exactly what it's supposed to do: it takes headphone level input and amplifies it to line level. On both of my machines, the Bluetooth audio on my Motorola T605 is too quiet to sound good when plugged into the aux inputs on either of the main units. (Even if I crank the phone's media volume all the way up, a pop-up appears that says "Warning you are hearing noise levels that are damaging to your ears.") I've tried a few other "headphone amp" products. , but they're really only for