Headphones amplifiers — Stax SRM-400S
Description, images, technical data and specifications
Stax SRM-400S
Image source — © Stax
The Stax SRM-400S looks like the SRM-500T (even the dimensions are the same!), but unlike the older model, it uses a classic transistor path (which, in fact, means the letter S, not T, which is used for the lamp). The amplifier has a balanced output (and previously it appeared only in the "X" version from 353, although it was very much requested in this class of equipment), as well as separate transformers for low-current and high-current circuits and a new rigid chassis.
Specifications
Model name
SRM-400S
Maximum Power, 32 Ohms (mW RMS per channel)
N/A
Maximum Power, 50 Ohms (mW RMS per channel)
N/A
Maximum Power, 300 Ohms (mW RMS per channel)
N/A
Maximum Power, 600 Ohms (mW RMS per channel)
N/A
Frequency response low +/- 3dB (Hz)
N/A
Frequency response high +/- 3dB (Hz)
90 000
Gain (dBu)
60
THD (% at 1V RMS, 300 ohms)
0.01
Signal to Noise Ratio (dB)
N/A
IMD (%, CCIR, 300 Ohms)
N/A
Crosstalk (dB, 20Hz-20KHz, 300 Ohms)
N/A
Output Impedance (Ohms)
N/A
Dimensions (mm)
195 x 102 x 376
Weight (kg)
3400
Official link
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