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-   -   SenseV1-cost effective hifi VMOSFET headphone amplifier (http://www.diyaudio.com/forums/siliconray-online-electronics-store/206096-sensev1-cost-effective-hifi-vmosfet-headphone-amplifier.html)

siliconray 6th February 2012 09:58 AM

SenseV1-cost effective hifi VMOSFET headphone amplifier
 
The product link:
SenseV1 headphone amplifier

Description
Sense V1 is a pure class-A VMOSFET headphone amplifier. VMOSFET has high working frequency, low noise, good thermal stablility. The harmonics of VMOSFET are even order, so much like vacuum tubes. That's why the sound of VMOSFET is like tube amplifiers. Design of V1 has no global feedback to features more natural sound. It use hifi components such as Alps potentiometer, WIMA caps which are usually used on expensive high-end amplifiers.

Features
- Pure class-A design with VMOSFET
- Input Sensitivity: 1.5V
- Max output power: 500mW
- Frequency response: 5Hz-50kHz
- SNR: >92dB
- Driving impedance: 32Ω to 600Ω
- Input port: RCA x 2
- Output port: 6.35mm headphone connector
- Size: 83mm x 40mm x 123mm
- Net weight: 0.5kg
- Power supply: 100 to 240 input, 24V output adaptor

Product photos
http://gallery.siliconray.com/var/re...g?m=1328512700
http://gallery.siliconray.com/var/re...g?m=1328512688
http://gallery.siliconray.com/var/re...g?m=1328512688
http://gallery.siliconray.com/var/re...g?m=1328512688
http://gallery.siliconray.com/var/re...g?m=1328512689
http://gallery.siliconray.com/var/re...g?m=1328512693

Tauko 6th July 2012 07:34 PM

Hi,

Anyone know the output impedance on the headphone output? Thanks. :)

siliconray 7th July 2012 01:26 AM

The fet output stage makes the impedance very low. It can drive 32 Ohm to 600 Ohm headphone very well. It even works fine for 8Ohm speaker.


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