or Connect
Head-Fi.org › Forums › For Sale / Trade Forums › For Sale / Trade (and Feedback) Forums › Amplification For Sale / Trade › Yulong A100 Class A Headphone Amplifier
New Posts  All Forums:Forum Nav:

For Sale: Yulong A100 Class A Headphone Amplifier

post #1 of 2
Thread Starter 
This Classified is Closed

For Sale:
Yulong A100 Class A Headphone Amplifier

Will Ship To: Anywhere

Mint condition.  As with all Yulong products- superb performance for an unremarkable bargain.

 

Quick Overview

The A100 is a transistor stereo headphone amplifier in Class A. The input of the circuit part uses the AD827 to process the input buffer, and then adjusts the volume by the potentiometer, the OPA627will amplify the voltage to drive the buffer in Class A that is made up of transistors such as MJE243/253 to drive the headphone.

Features:

  • Aluminum-magnesium alloy shell

  • High-quality ring transformer

  • UV meters show dynamic level

  • 100-120 / 220-240V voltage convertion (choose externally)

  • Power tube amplification uses the digital transistor tracer to match pairs precisely

  • OPA627: advanced op amp

  • High impedance and low impedance outputs for different headphones

 

Technical Specifications:

  • SNR:>110dB

  • THD+N:<0.0007% (1kHz)

  • Frequency response: 20Hz-20kHz -0.1dB

 

Output power:

  •  680Ohm: 75mw VPP:20V
  • 300Ohm: 170mw VPP:20V

  • 50Ohm: 343mw VPP:20V

  • 33Ohm: 1W VPP:17V

post #2 of 2
Thread Starter 

Price adjustment to $225.00 obo....

New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Amplification For Sale / Trade
Head-Fi.org › Forums › For Sale / Trade Forums › For Sale / Trade (and Feedback) Forums › Amplification For Sale / Trade › Yulong A100 Class A Headphone Amplifier