We launched the upgrade & revision kit for the Quad 34 - in 4 versions up to now.
In the 34 before serial number 8000 there were 12 TL071 opamps, in the 34 after serial number 8000 there were 8x TL071's and 4x TJ072 dual opamps. The configuration of the electrolyt capacitors is different as well.
As we will replace the TL071 and TL072 with Burr Brown Audiograde chips we had to launch different versions.
We also wanted to offer the choice between the OPA134 (and 2134) and the OPA604 (and 2604). So there are 4 versions in total available in the Ebay-shop.
(Click on the version to go directly to the Ebay-shop)
We will also launch a version where the (4) output-opamps will be replaced by OPA627 or AD797 as well but we still have to do some tests in the coming weeks.
Stefaan
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