Laugh.. Okay, I feel dumb now.. Forgive me for not knowing my headphone models/terminology.. Hmm.. <G>
Which is better? The Sennheiser HD580s, or HD600s, or Grado SR80s?
Looking at Sennheiser's page, the only diffrence I can see is the HD600s go from 12-39kHz, while the HD580s are only 12-38kHz.
What's Grado's website?
Here's some specs on those RadioShack amplifiers, with links.
2x 15W Stereo Amplifier
THD: 0.07% (1W/1kHz)
S/N Ratio: 98dB
Input Sensitivity: 300mV/150kOhms
Size: 51x69mm
Price: 34.95 (Kit)
4Wrms Amplifier
THD: 0.05% (1W/1kHz)
Frequency Response: 20Hz - 20kHz (-3dB)
S/N Ratio: 86dB
Input Sensitivity: 40mV/150kOhms
Size: 34x55mm
Price: 12.99 (Kit)
2.5W Audio Amplifier
PowerAmp specs:
Input sensitivity: 150mV
Input Impedance: 20kOhms
Output Impedance: 4-8 Ohms
PreAmp specs:
Input sensitivity: 20mV (12V)
Input impedance: 200kOhms
Output Impedance: 1kOhms
Frequency Range: 60Hz - 15kHz
Maximum Output Power: 2.5W (4 Ohms / 12V)
Size: 42x32mm
Price: 12.49
2x 30W Amplifier
THD: 0.07% (1W/1kHz)
RMS Output: 2x15W/4 Ohm or 2x10W/8 Ohm
Channel Seperation: 70dB
Frequency Response: 7Hz - 60kHz (-3dB)
S/N Ratio: 98dB (Weighted A)
Input Sensitivity: 300mV/150kOhms
Size: Unknown
Price: Unknown
7W Amplifier
RMS: 3.5W/4 Ohm and 2W/8 Ohm
THD: 0.05% (1W/1kHz)
Frequency Reproduction: 20Hz - 20kHz
S/N Ratio: 86dB (Weighted A)
Input Sensitivity: 40mV/150kOhm
Size: Unknown
Price: Unknown
Heh..