Any experience with along1986090's kits from eBay? (preamp + mp3)

Vigier · 18th April 2011, 08:33 PM

Hi,

does anyone have experience with DIY kits from "along1986090" from eBay?
I plan to build an LM4780 amplifier and use one of his preamplifiers and MP3-kits for input. It will be built to get some good sound in my new bathroom.

The kits are cheap, but before I order I'd like to know if they're any good!

MP3-kit: DIY SD MMC USB Card mp3 Player+Display Screen & Remote
DIY SD MMC USB Card mp3 Player+Display Screen & Remote | eBay
PreAmp: Audio Pre-amplifier PREAMP Kit + Remote + LCD display
Audio Pre-amplifier PREAMP Kit + Remote + LCD display | eBay

Kind regards,
Vigier

dickl · 26th April 2011, 04:37 PM

I have just gotten one of their preamps I got it preassembled

I got this one: M62446 5.1 Channel Remote Volume Preamplifier Assembled

Had to add a 12vac 0 12vac transfomer which is a 24 vac with center tap.

Also had to wire up R L RCS female input jacks.

Works wonderfully. Very clean sound and the remote and display is really cool. I just ordered a case from them to put it in.

I also have a mp3 player on order from them uses USB and memory card inputs for MP3 and other formats.

Will post on here when I get it. I like their stuff so far. very fast delivery to the USA. THEY answer questions and their stuff is pretty cool!!

Vigier · 28th April 2011, 05:14 PM

Thnx for your reply! Sounds good... I'd be glad if you post your results with the MP3 player since that's the first thing I'd like to order...

dickl · 28th April 2011, 05:20 PM

Will do. I hope to get mine in the next couple of days. I am still very happy with the preamp. They send me wiring diagrams of both, I will try to post them. They seem to be a very responsive supplier.

Their products are very interesting and the first one is impressive.

dickl · 28th April 2011, 05:23 PM

Here are the diagrams that I received from them. Gives you a pretty good idea of the layout......not sure what is going on in those big ICs however.

This is the 5.1 preamp and the MP3 player.

Vigier · 28th April 2011, 05:39 PM

Schematics look simple but good. OK, then I'll get a PayPal account to order some of his kits

dickl · 28th April 2011, 06:04 PM

They do have some interesting products.

Vigier · 29th April 2011, 08:34 AM

I just bought the MP3 player and the Upgrade PGA2311 preamp... He indeed replies fast on my email. I'll update when I receive the package.

dickl · 29th April 2011, 11:45 AM

Do a search on PGA2311 and you will come up with some really amazing discussion of the chip and projects and applications. Rather amazing data. I will post a few more diagrams if you are interested.

dickl · 29th April 2011, 12:05 PM

HERE is a diagram of what the inside of the PGA2311 looks like.

It seems this has been used as the heart of many top end preamps like the Rowland, Creek, and others.

18th April 2011, 08:33 PM	#1
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	Any experience with along1986090's kits from eBay? (preamp + mp3) Hi, does anyone have experience with DIY kits from "along1986090" from eBay? I plan to build an LM4780 amplifier and use one of his preamplifiers and MP3-kits for input. It will be built to get some good sound in my new bathroom. The kits are cheap, but before I order I'd like to know if they're any good! MP3-kit: DIY SD MMC USB Card mp3 Player+Display Screen & Remote DIY SD MMC USB Card mp3 Player+Display Screen & Remote \| eBay PreAmp: Audio Pre-amplifier PREAMP Kit + Remote + LCD display Audio Pre-amplifier PREAMP Kit + Remote + LCD display \| eBay Kind regards, Vigier

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26th April 2011, 04:37 PM	#2
dickl diyAudio Member Join Date: Apr 2011	I have just gotten one of their preamps I got it preassembled I got this one: M62446 5.1 Channel Remote Volume Preamplifier Assembled Had to add a 12vac 0 12vac transfomer which is a 24 vac with center tap. Also had to wire up R L RCS female input jacks. Works wonderfully. Very clean sound and the remote and display is really cool. I just ordered a case from them to put it in. I also have a mp3 player on order from them uses USB and memory card inputs for MP3 and other formats. Will post on here when I get it. I like their stuff so far. very fast delivery to the USA. THEY answer questions and their stuff is pretty cool!!

28th April 2011, 05:14 PM	#3
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	Thnx for your reply! Sounds good... I'd be glad if you post your results with the MP3 player since that's the first thing I'd like to order...

28th April 2011, 05:20 PM	#4
dickl diyAudio Member Join Date: Apr 2011	Will do. I hope to get mine in the next couple of days. I am still very happy with the preamp. They send me wiring diagrams of both, I will try to post them. They seem to be a very responsive supplier. Their products are very interesting and the first one is impressive.

28th April 2011, 05:39 PM	#6
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	Schematics look simple but good. OK, then I'll get a PayPal account to order some of his kits

28th April 2011, 06:04 PM	#7
dickl diyAudio Member Join Date: Apr 2011	They do have some interesting products.

29th April 2011, 08:34 AM	#8
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	I just bought the MP3 player and the Upgrade PGA2311 preamp... He indeed replies fast on my email. I'll update when I receive the package.

29th April 2011, 11:45 AM	#9
dickl diyAudio Member Join Date: Apr 2011	Do a search on PGA2311 and you will come up with some really amazing discussion of the chip and projects and applications. Rather amazing data. I will post a few more diagrams if you are interested.

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