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Headphones Amplifier JDS Objective 2Headphones Amplifier JDS Objective
Headphones Amplifier JDS Objective 2
Headphones Amplifier JDS Objective

JDS Objective 2

150,00

JDS Objective 2. (Original version) . The Objective2 is an open source headphone amplifier designed by NwAvGuy, with emphasis on benchmark performance and low cost. This item includes a fully assembled and hand tested Objective2 amplifier, ready for use.

Out of stock

Description

The JDS Objective2 is an open source headphone amplifier designed by NwAvGuy, with emphasis on benchmark performance and low cost. This item includes a fully assembled and hand tested O2 headphone amplifier, ready for use. You will only need an AC adapter suitable for your region.

 

The JDS Objective2 has created a stir in Head-Fi.org’s do-it-yourself community. After being banned from Head-Fi for heated discussion, he proceeded to design O2 headphone amp for maximum benchmark performance to prove his points. It’s large and heavy, so hardly worth consideration as a portable amp, however, Objective2 lives up to its name.

 

 

Objective2’s are assembled 100% in accordance with NwAvGuy’s default, high-performance bill of materials:

Alps Dual Analog Potentiometer
3.5mm Input and Output Jacks
Dual Gain Switch (2.5x and 6.5x)
Opamps: JRC NJM2068D, 2x JRC NJM4556AD
AC Jack – Rechargeable 9V NiMH Batteries

Additional information

Weight 0.38 kg

Specifications

General

Gain: 2.5x and 6.5x

Volume Potentiometer Taper: 15A or 3B

Case Dimensions (mm): 108.50 x 80.00 x 29.50 (excludes jacks)

Case Dimensions (inches) = 4.27 x 3.15 x 1.16″ (excludes jacks)

Battery Run-time: 6-8 hours

Weight: 11 oz, with batteries

 

Audio

Frequency Response: +0.01, -0.01 dB (20Hz-20kHz)

THD 1 Khz 150 Ohms: 0.0016%

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 (at 50% volume): 0.6 dB

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