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Engraving

DIY Parts

Objective2 Assembled PCB

 
Starting At $99
In Stock

Ready to use Objective2 headphone amplifier circuit board. Objective2 is an open source amplifier designed by NwAvGuy, with emphasis on benchmark performance and low cost. Enclosure, knob, and AC adapter not included.

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  • No Batteries - $99
  • Add 2x9 NiMH - $109

Description

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Ready to use Objective2 headphone amplifier circuit board. Objective2 is an open source amplifier designed by NwAvGuy, with emphasis on benchmark performance and low cost. Enclosure and AC adapter not included.

For more information on the Objective2, please refer to NwAvGuy's Objective2 Details article.

Tech Specs

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Amplifier Performance

Frequency Response +/-0.01 dB (20Hz-20kHz)
THD 1 Khz 150 Ohms 0.0016%/td>
IMD CCIF 15 Ohms 0.001%
IMD SMPTE 0.002%
Noise (ref 400 mV) -105 dB
Max Output (33 Ohms) 613 mW
Output Impedance 0.54 ohms
Crosstalk (15 ohms) -65 dB
Channel Balance (50% volume) 0.6 dB
Battery Run Time 6-8 Hours

Configuration

Gain 2.5x and 6.5x
Volume Potentiometer Taper Alps 15A or 3B
Batteries 2x9V LSD NiMH

Connectivity

Input 3.5mm
Output 3.5mm
Power Battery or 14-20VAC

Dimensions

Case Dimensions (mm) 108.50 x 80.00 x 29.50
Case Dimensions (in) 4.27 x 3.15 x 1.16
Weight 11oz

Included

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  • Assembled Objective2 Circuit Board

Select Configuration