Three weeks on from establishing this new blog information page, I am pleased to say lots of people are reading it and we have had some interesting email feedback regarding valves for the AT3500 CD player. The Phillips JAN valve, discussed in our previous blog entry, does seem to have become 'flavour of the month' - with everyone agreeing that it takes the AT3500 sound qualities up a rung or three and is a very worthwhile and cost effective upgrade.
We have tried the Phillips JAN valve in our cheaper AT3000 player and it does also improve this £650.00 machine. Not as much as with the more focused and articulate sounding AT3500 player, but an improvement there is - well worth the odd twenty pounds worth of valve. If you are inclined to upgrade your AT3000 player, the addition of Astin Trew isolation feet (as used on the AT3500 player as standard) also tightens up the bass a bit and generally focuses the music a little. As with all isolation feet on quality audio electronics, this is somewhat dependant on your component support rack design as well.
Remember, your Astin Trew dealer will change valves and isolation feet for you if you take in your machine. In this way, you will not invalidate your warranty if upgrading within 12 months of purchase. If you are doing any upgrades yourself, always read the instructions in the operating manual first - better still, ask your dealer to do them for you at the time of purchase.
Happy listening,
Michael Osborn
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