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Fender Showman & Dual Showman ECC803S Option
Price: $207.50
Fender Showman & Dual Showman ECC803S Option
Product Details

Do you like fat mids, a more vintage tone and little extra high end sparkle? This is our ECC803S Retube Kit for the Blackface & Silverface (non-reverb) Fender Showman & Dual Showman heads. This kit contains three Long Plate ECC803S's and a balanced ECC81 for the phase inverter in V4. The JJ ECC803S's are a little lower in gain than the ECC83S's used in our standard kit. The default power tubes are a matched quad of the JJ 6L6GC’s but you can configure this kit to use the JJ 5881’s by clicking on the "Customize" button.

Tube location info: The Balanced ECC81 is located in V4 closest to the power tubes.


There were two models of these amps made, the AA864 is fully adjustable bias where the AB165 amps are not fully adjustable, they have a balance circuit where one pair of power tubes is adjustable. With this setup all you can do is match the bias of the adjustable bias sockets, to the fixed sockets. This can be done using a bias probe and a multimeter or one of our "Pro One" bias probes.

All of these are are available in the "Related Products" tab. 

The best solution with these amps is to mod the bias to be fully adjustable. Over the years many techs have been doing this by default. If your amp has been modified you can use the Deluxe Reverb bias video for reference. We typically bias these amps between 35 to 40mA with the JJ 6L6GC's or 33 to 40mA for 5881's.

 


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