Tech-Craft has a variety of stands in all sizes and many styles.
I have my 60" TV on the HBL-60 stand and the tempered glass shelves below handle my preamp, power amp, cable box, DVD player and CD recorder.
It is just metal and glass...
Trying to futz around with that obsolete receiver is like trying to charge into battle on a 20-year-old horse with 3 broken legs.
Give it up.
For only $225 you can get the Harman-Kardon AVR 700 receiver with 3 HDMI inputs, and life...
The NAD T748 receiver is what I would buy. I see it online for $499, and IMO it is by far the best you can get for that price.
It should give you better sound quality and has the features that many people use.
Check the SENSITIVITY rating of the front and rear speakers.
Are they the same or similar?
Each 3 db/watt decrease in sensitivity doubles the power needed to acheive a certain sound level.
If the front speakers have a higher...
I suggest that you check out the NAD T758.
It might be what you want. It has pre-outs for all channels, and is a VERY high-quality receiver with a lot of power.
It even has specs for power out with all channels driven, and power output...
The sensitivity of those Polk speakers is 89 db per watt.
This means that one watt of power will produce an 89 dbA sound level one meter from those speakers. This is quite loud.
10 watts will produce 99 dbA, which is very very loud....
You really do not want those car speakers for home use...for many reasons.
For around $130 you can get a pair of Pioneer BS-22 speakers, which will sound about 1000% better.
I suggest that you look at the Harman-Kardon AVR 1700, which...
For $1200 you can buy the Cambridge Audio 551R, which is SO much better than any of the others for speaker drive capability and sound quality.
IMO Cambridge is the Rolls-Royce of receivers; the others don't measure up.
Check out some...