the specs of your old n4.
Length 27.5 inches 70 centimeters
Head Size 101 square inches 651 square centimeters
Weight 9.8 ounces 278 grams
Balance Point 14.25 inches
36 centimeters 4 pts Head Heavy
Construction Dual Taper Beam 24mm / 28mm / 25 mm
Composition 20% nCoded Hyper Carbon / 80% nCoded High Modulus Graphite
String Pattern 16 Mains / 19 Crosses
If you had pointed out this was racquet you were using, folks probably wouldn't have suggested mg rad mp to you. it is too big a jump for you to go from the light head heavy large head size racquet to a players racquet...
mg rad is one of the most comfortable racquets out there...