Remember my post in wordpress.com selling some of my stuff for funding project 'XX'? Here are the promised pictures of the item(s), together with their specs/description.
PA2v2 - Portable Earphone / Headphone amplifier
Features & Specifications:
* LM4881 Operational Amplifier
* Borns Audio Potentiometer
* 2x 470 µF Panasonic Input Capacitors
* 2x 2200 µF Panasonic Output Capacitors
* 1% Precision Metal Film Resistors
* *The rest are Gary's secret
* Works on 2pack AA size NiMH rechargeable batteries (Total: 2.4v DC)
* Frequency Response from 5Hz up to >40 KHz
* Signal to Noise Ratio (SNR) of 100 dB!
* Variable Gain from 0 to 610%!
* Output power : 200 mW RMS (Higher than your 20 mW Digital Music Player)
* >100 hours battery life with Sanyo Eneloop batteries.
* Dimensions (W x L x H) : 65mm x 65mm x 27.5mm
* Weight : 72 grams (amp) / 124 grams (amp w/ Eneloop)
Original Price: Rm 250.00
Selling Price: Rm 150.00
Reason to sell: Already required a high quality earphone which doesn't need much boosting anymore
Product review/description: It boosted my previous 'cap ayam' headphone until the quality, was, frankly speaking surprisingly very good! An important note is that to deliver an optimal quality, the amplifier has to be 'burned in' for at least 50 hours from the first usage.
6 years ago
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