get a switch box for proper input/output switching(not dual action).

pre-amp out bypasses the amp circuit, usually, headphone amp can be used as active pre-amp as well....but..NEVER use it to power a pair of passive speakers.

regarding your hiss, seems like it's your house's power outlet problem. AVR has noise reduction built into it, but I never find it useful. Alternatively, build yourself a battery pack to power the amp, if the amp is not a Class A amp, it should last you quite long with the battery pack...if it is a Class A amp....then it doesnt seem very practical since it will usually drain all your batteries within a few hours.

you can also try to get a linear regulated psu to power it. brick psu usually suck though, that gives you an idea why some PSU would cost a few hundred to thousand bucks.

yes, it's the heat generated by the amplifier and the heatsink is somewhere around that area

that's called a preamp, with integrated switchbox.

passive preamps require proper planning on impedance matching. it is often fine, and works MUCH MUCH better than splitter....Never use splitter for different impedance devices. Use it only when you know what you are doing. you can easily buy those cheapo switchbox from jalan pasar. most of them doesn't come with volume control, and is mainly for TV switching, but it'd work.

well yeah, I was basically saying that you could always get an av switcher and the appropriate plug/jack converter to get it to work. it's the same thing anyway.

Haven't really seen many commerical switchbox that takes in 3.5mm stereo, most of them take in rca. And high quality RCA connection switchbox ain't cheap. Again, if rca is what you'd be getting, av switchbox works....btw, av switchbox also has 3.5mm input jack no? The cheapest route is to build yourself one. You simply need a 12position, 3pole rotary switch. That'd allow you to switch from 1 input to 4output max, or 4 input to 1 output. Then a couple of jacks at the size that you need.

Alternatively, you can easily diy a 1 in 2 out, or 2 in 1 out, toggle switcher. all you need are 3 jacks, and 1 dpdt toggle switch (use break-before-make type)

This post has been edited by AlamakLor: Nov 11 2005, 11:06 AM

yes, if u dunno how to diy it, a, av switch box will be able to switch them you can even hard mod it heheeh

i believe that is a rebadged sharp MD33, just like the Senn's IEM
and this creative bud:


This post has been edited by AlamakLor: Nov 16 2005, 07:19 AM

people are either getting too poor or too cheap nowadays....better store my stuff properly. you have my condolence blackshirt