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Orange Rockerverb Mark II 100 High Gain Option
Price: $263.50
Orange Rockerverb Mark II 100 High Gain Option
Product Details

Want all the gain you can get? This is the High Gain Option Retube Kit for the Rockerverb Mark II 100. The preamp section uses three standard ECC81's (for the FX loop, reverb driver and recovery positions) and four handpicked High Gain JJ ECC83S's with one balanced for the phase inverter. The default power tubes are a matched quad of the JJ Electronic E34L's which are very tight and punchy with more extension in the low end. With the Customize option you can configure this kit to use the JJ EL34II's, EL34’s, KT77’s, Big Bottle 6CA7’s, 5881's, 6L6GC's, KT66's, 6550's and even KT88's! Checkout the the customize page for more details on these options.

The three ECC81's are located in position 4, 5 and 6. The Balanced High Gain ECC83S is located in position 7 in the back row farthest from the input jack.

This is the 50 watt diagram but the preamp tube locations are the same.


These are all adjustable bias amps and switchable from EL34 mode to 6550 mode. All you need to check and adjust the bias is a bias probe and a Multimeter or our all-in-one Eurotubes "Pro One" bias probe (which reads both the plate current and the plate voltage simultaneously). You can find all these under the Related Products Tab. 

You can use the "Generic Bias Video" we made using a Marshall 800 for reference. 

The video below explains the difference between bias probe types.

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