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Professional Audio Microphone Preamplifier: SYTEK MPX 4A

 
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Trevor



Joined: 16 Nov 2005

PostPosted: Mon Jun 30, 2008 6:06 pm    Post subject: Professional Audio Microphone Preamplifier: SYTEK MPX 4A Reply with quote

I am fielding interest for an item you will very rarely see in Korea. This is for the recording enthusiast. The unit is in pristine condition, has lived in a rack, in a smokeless studio all its life. It is identical to this unit sold recently on Ebay. Yes, It has the Burr-Brown IC's on channels three and four.

http://cgi.ebay.com/Sytek-MPX-4Aii-Four-Channels-mic-preamp-BB3-4-Refb_W0QQitemZ150262483466QQcmdZViewItem?hash=item150262483466&_trksid=p3286.m14.l1318

750,000 Won. If you want to point out that it's the same price as the refurb on Ebay, then go ahead and buy one on ebay. Very Happy It would cost at least three times this to buy a preamp of similar quality in a retail outlet in Korea. (No kidding, go look).

There is lots of reviews on this preamp on line if you Google Sytek MPX 4A

This is professional quality and if you are looking for a great Preamp this is by far the best you can find for the money.

I'll send actual pictures of the unit to serious buyers. I'm near Daejeon, but we can work something out for delivery or shipping. You are also welcome to try it out in my home studio.

Trades considered for other high-quality recording equipment and musical instruments.

Wannabees don't be pulling my chain. You too, Spliff.

Preamplifier topology Transformerless Hybrid Design
Input Level nominal -60 to -10 dBm
Gain +65 dB range (ref. input)
Maximum output 24dBm loaded 600 ohms
E.I.Noise -134dBu (S.I.=50ohms) -129dBm(S.I.=150ohms)
THD+Noise 0.0015 % at 60dB gain (@ 1kHz)
Signal-to-Noise Ratio > 100 dBm
Bandwidth 10Hz-85 kHz +/- 0.25 dB
CMRR >100db at 100Hz
Phase Lin 10 Hz - 20 kHz +/- 0.1 deg
Phantom P.S. +48V at 10ma
I/O connections Auto-sense balanced/unbalanced XLR


Last edited by Trevor on Tue Jul 01, 2008 2:05 am; edited 1 time in total
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lion



Joined: 27 Oct 2004

PostPosted: Mon Jun 30, 2008 8:39 pm    Post subject: Reply with quote

Hmm.... a couple questions if you will:

1) What sources/mics do you use with it?
2) Have you ever used a ribbon mic with it?
3) Do you think it would represent a significant step up (in gain and noise) from the preamps on my Fireface 800?
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Trevor



Joined: 16 Nov 2005

PostPosted: Tue Jul 01, 2008 1:02 am    Post subject: Reply with quote

i've never used the Fireface so I can't make a direct comparison.

I used this preamp with a Rode K2000 tube condenser. I have also used it with guitars. It sounds great with just about any signal, giving the high end a lot of sparkle, particulary with drums. Comparing it to the average computer interface pre's, you will also notice a tighter bass and a punchier midrange with a lot more detail throughout the spectrum.

No I have never used it with a ribbon mic.

lion wrote:
Hmm.... a couple questions if you will:

1) What sources/mics do you use with it?
2) Have you ever used a ribbon mic with it?
3) Do you think it would represent a significant step up (in gain and noise) from the preamps on my Fireface 800?


Last edited by Trevor on Tue Jul 01, 2008 2:08 am; edited 1 time in total
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Cacique



Joined: 01 Sep 2004
Location: Seoul

PostPosted: Tue Jul 01, 2008 1:18 am    Post subject: Reply with quote

Lion, could you please change your avatar. It's making me want to puke.
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lion



Joined: 27 Oct 2004

PostPosted: Tue Jul 01, 2008 3:14 am    Post subject: Reply with quote

Cacique wrote:
Lion, could you please change your avatar. It's making me want to puke.


Happy now? Very Happy TBH I wasn't going to be able to bear it myself much longer.
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lion



Joined: 27 Oct 2004

PostPosted: Tue Jul 01, 2008 3:30 am    Post subject: Reply with quote

@OP:

I don't suppose I could interest you in a pair of lightly-used KRK Rokit 8s in a partial trade?

http://www.krksys.com/rokit/index.html

Actually mine are the previous generation-- they look like this.

http://www.spankrecords.com.au/stock/djgear/djGearDetail.asp?id=28577

I realize if you have that preamp you probably have some very nice monitors already, but I figure it's worth a shot.
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Trevor



Joined: 16 Nov 2005

PostPosted: Tue Jul 01, 2008 3:37 pm    Post subject: Reply with quote

I actually do have some monitors, but thanks.



lion wrote:
@OP:

I don't suppose I could interest you in a pair of lightly-used KRK Rokit 8s in a partial trade?

http://www.krksys.com/rokit/index.html

Actually mine are the previous generation-- they look like this.

http://www.spankrecords.com.au/stock/djgear/djGearDetail.asp?id=28577

I realize if you have that preamp you probably have some very nice monitors already, but I figure it's worth a shot.
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