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9th November 2012, 08:37 PM
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#1 |
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diyAudio Member
Join Date: Mar 2009
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Yaqin MS 34 D
Hi all wanted to try a valve amp for a long time just won this one but have a few questions. Firstly is it a decent one for the money and do i need any thing to run it on british 240v electric supply. Here is the link to the amp as it says something about a voltage reulator
Brand New ! Yaqin MS-34D EL34B x 4 Highend HiFi Integrated Tube Amplifier | eBay |
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10th November 2012, 01:57 AM
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#2 |
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diyAudio Member
Join Date: Mar 2009
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As no one had one of these amps then
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10th November 2012, 08:45 PM
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#3 |
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diyAudio Member
Join Date: Mar 2009
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Cant any one tell me if this amp is any good
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10th November 2012, 09:06 PM
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#4 |
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diyAudio Member
Join Date: May 2005
Location: Victoria, B.C.
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Appears to be one of the many push pull EL34 variants coming out China. Some are happy with them, some like to tweek them, and some sell them on. What speakers are you going to be using with this amp?
Here's a short review FWIW: http://forum.audiogon.com/cgi-bin/fr...mps&1258610764 jeff Last edited by vinylkid58; 10th November 2012 at 09:10 PM. |
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10th November 2012, 09:15 PM
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#5 | |
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diyAudio Member
Join Date: Mar 2009
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Quote:
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10th November 2012, 09:15 PM
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#6 |
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diyAudio Member
Join Date: Jan 2011
Location: Bruxelles
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Well, it's not really "Highend" as they say... and no, you should not run it directly on 240v: the heater voltage would be higher than normal (6.9v instead of 6.3). The difference may seem small, but it would seriously shorten the tubes' lives.
What to do? Have it modded by a pro, or run it on a Variac... Or buy another amp. |
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10th November 2012, 09:18 PM
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#7 | |
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diyAudio Member
Join Date: Mar 2009
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Quote:
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10th November 2012, 10:34 PM
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#9 |
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diyAudio Member
Join Date: May 2012
Location: Near Huntingdon, Cambridgeshire, UK
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One question - do you know what your mains voltage really is? In the UK, it is nominally 230 volts with a tolerance of +10% to -6% (the official 240 value was quite a long time ago). It will vary quite a lot from one location to another. In my home I see around 235V, at work I often see about 244V. For historic reasons in many places it is more likely to be above 230 than below.
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10th November 2012, 10:44 PM
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#10 |
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diyAudio Member
Join Date: Aug 2008
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Desppain not, If you kindly ask them for a schematic, they ll likely send you one, and the nice ppl here will tell you what to do and how,
But first, the million euro question: Are you handy with a soldering iron? About the Audiogon Review: "Pure Class A" yeah riiiiight... Last edited by costis_n; 10th November 2012 at 10:46 PM. |
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