Hi Jörg,
so weit ich weiß, sind beide Supernieren.
Beta 58 / Beta 58 A
Two attempts to place the successor of the famous SM 58. If you know the SM only, you'll be surprised of the improved quality of the Beta's. The new version (A) has a blue ring.
Beta 58
Polar Pattern Uni (Supercardioid)
Frequency Range 50 ... 16000
Sensitivity 2.8 mV/Pa
Impedance 150 Ohms
Dimensions 51 Head-Ø x 162
Weight 0.265 kg
Beta 58 A
Polar Pattern Uni (Supercardioid)
Frequency Range 50 ... 16000
Sensitivity 2.8 mV/Pa
Impedance 150 Ohms
Dimensions 51 Head-Ø x 162
Weight 0.278 kg
aus Michael Hartkopfs Mikrofondatenbank
Da entdecke ich nur 13 Gramm Gewichtunterschied.