LSA Hyperdrive 2

Retail $999

Preamp:

1.0Vrms output into 47kohm at 1kHz has 0.0021% THD, higher output amplitudes will track similarly to HPA output below as signal from HPA is fed to an opamp buffer to driver the preamp outputs.

Headphone Amp with 33ohm load:

3.8 mW is 0.0036% THD

30 mW is 0.0036% THD

60 mW is 0.0037% THD

293 mW is 0.0055% THD

620 mW is 0.0072% THD

1.7W is 0.011% THD (Max Power)

Intermodulation distortion

N/A

Power Consumption

1.6W (standby – plugged in) and 12.5W (on) measured at 120Vac

Frequency Response

Flat within +/-0.5dB from 10Hz to 22kHz

Gain

0dB, 6dB, 12dB selectable

Noise

Preamp: -115dB noise floor referenced to 1.0Vrms at 0dB for preamp output into 47kohm load

Headphone Amp: -122dB noise floor referenced to 1.0Vrms at 0dB into 33ohms

Maximum Output Sensitivity

1.86Vrms input at 12dB gain setting will produce maximum signal before clipping at the headphone amp output

The preamp outputs have -6dB gain applied to them, and so their gains are -6dB, 0dB, and +6dB (corresponding to the 0dB, 6dB, and 12dB gain switch for the headphone amp) at the RCA’s out.

Maximum Output of the preamp outs is 3.7Vrms for 1.86Vrms input at the 12dB gain setting.

HEADPHONE:

Output Power

1.7 Wrms into 33ohms

Output Impedance

13 ohms (per TI datasheet for TPA6120A2)