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May 20th, 2024, 5:48am
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   [Singapore] HIFI Equipment (Buy/Sell)
   WTS: USB Purifier
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   Author  Topic: WTS: USB Purifier  
alvin1118

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WTS: USB Purifier
« on: February 12th, 2017, 10:31am »

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Guys,

It's a new variant of the JAY'S AUDIO LPS25VA.

All it does is to clean up the noisy 5VDC inherited from the PC, purified by means of a well designed Walt Jung Super Regulator, sending ultra low noise clean power 5VDC to downstream USB DAC. The ground is isolated as well to eliminate dirty PC ground.

Typical Configuration:


Highlight of the Jay’s Audio Ultra-Low Noise LPS25VA:
- AC Incoming: Schurter IEC, Japan Made EDK Switch
- AC Noise Filter: UK RIFA RFI Suppression Caps & Noise Filter    
- AC Transformer: Nuvotem Talema Encapsulated 25VA w/ Fast Acting Fuse Protection
- High Speed Rectifier with RIFA 0.1uf Bypass Caps
- Phillips BC 2200uf/25v x 4 Reservoir Caps, total of 8800uf !
- Phillips 1% Precision Resistors
- Panasonic FC 120uf, 390uf Decoupling Caps
- Mexico Made Inductors
- Analog Device OP177 for Voltage Error Feedback Compensation
- Toshiba Pass Power Transistor
- Two Simultaneously Driven Voltage Output Jacks  
- Mexico Made Multi-turns Variable Resistor for Fine Voltage Output Adjustment  
- Voltage Rating: 5VDC/3.5A,
- Integrated Aluminium Heat-sink chassis, with 5mm thick (very) well designed front panel with Laser Marked texts

The circuit design of Jay's Audio LPS25VA is referenced and improved of the well-known Walt Jung Super Reg. The performance is first in the class I must say. Output voltage stays VERY stable with 0.01VDC tolerance despite I'm driving it almost at full load. It only gets a bit warm after a 48hrs of stress test. With such little money spent, I must say it’s the best bang of buck’s investment in hifi ever!

Actual Pics:
Laser Etched Brand & Model, never fade! 7-Segment Display of Voltage Output w/ 2 decimal resolution


USB Input / Output Ports, Minor Adj Knob (+- 2%)


Guaranteed Genuine Premium, Long Life Parts Inside!


Very well designed and neat layout !


Authentic Parts – High Grade Premium Talema 25VA Transformer


Prices:
S$168

What’s in the package:
1. The LPS25VA itself with thick foam package
2. NO power cord, I guess none of us would want it.

Warranty / RMA:
12 months warranty

Order Instructions:
1.      Exstock
2.      Made full payment to my POSB Saving Accounts: CHEE HUI CHING 120-1-021962
3.      Notify me by sms/whatsapp/viber once payment made @ +65 9768 46six2

Collection:
1.      Stock low
2.      Buyer are to arrange self-collection @ Blk 623 Woodlands Dr 52 S730623 or By TaQBin add $8.

Thanks for supports!

Rgds,
Alvin Chee
+65 9768 46six2 sms/whatsapp/viber


Preorder List:
1. Mike
2. Steven Ong
3. Koh
4. gs11tan
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