Quote Originally Posted by Gavin View Post
I have a new PC speakers, creative T40, and realizes how terrible my TV HiFi is. I would like to upgrade my HiFi and I dun really know where is the problem.

My HiFi system was used for 7-8 years and simple one. Two Speakers (Energy C-50C) connected to analog amplifier (Lzban AV-02). Analog output from TV's 3.5mm jack with RCA converter (and I just know that TV has an RCA output). The analog cable is shielded tho maybe has damage on shielding or copper oxidized. TV is sony KDL-42W650a. Not buying a new TV, TV output only have 3.5mm jack and RCA. Have a blueray player with coaxial ouput.

> Not sure what you mean by "RCA converter", I'd just use a Y type cable with mini plug on one end and the 2 RCA's at the other end. You could plug the mini into the TV and the RCA's into the amp.

A few stupid questions would like to ask:
1) I want to use the TV hifi for spotify. Two ways of sources I can think of: either RCA output from a new pc to amplifier or USB android plugging into PC. Which is better?
> If you have Spotify on your phone, why not buy a Bluetooth receiver to hook to the amp? Audio Engine makes a good one for $189.00 but there are cheaper ones. The AE has good features and a DAC (digital to analog converter) Also the Y adapter mentioned above would connect the headphone jack of a phone to the RCA inputs of the amp. Some Blu-ray players will allow streaming as well.

2) Is it worth to replace my cheap amplifier to a new analog amplifier? If yes, any suggestion?
> I'm not familiar with that amp but if it has inputs you need it is probably fine.

3) I am open to DAC or optical or coaxial amplifier if qualified RCA converter is available on market (not more expensive than buying a new TV with digital output)
> I'm not clear on this question but I think the Bluetooth answer may apply.

4) Is it necessary to replace my old speaker?
> If they work, they are fine. When upgrading a "system" you have to consider the weakest link, I doubt the speakers are that link in your current set up.

I suppose all decisions are related to costs which I can afford are very limited...not more than $400

I hope all are clearly described and some experts can help on this!
Some of your terms are a bit confusing;
USB, is a type of connection
Android, is any cellphone operating system, not Apple.
RCA, is a type of connection. Sometimes an adapter may be needed but no conversions.

Really for mixing older and newer gear/technology Bluetooth, which is wireless, would be your way to go.

Check this: B1 Bluetooth Music Receiver