There are several modifications available for the Mark II versions of the above products.

NEW TUBE OUTPUT STAGE

• This involves the modification of the circuit board to accomodate the 6350 tube as the Mu Follower output stage and involves some minor power supply modifications - $350 US plus freight.

REMOTE CONTROL SYSTEM

• This involves the installation of the completely new volume/balance system which is covered in the white paper - $500 US plus freight, $400 US when done with the tube mod above.
  
  
• The volume/balance control system can be added without the remote - $250 US plus freight, $200 when done with the tube mod above.

VOLUME CONTROL FOR THE OPS SERIES

• A volume control can be added to the OPS Phono amps to allow them to be stand-alone systems. This involves an increase in usable gain of 6 dB - $250 US plus freight.

REMOTE VOLUME CONTROL FOR THE OPS SERIES

• A volume only remote can be added to the OPS Phono amps. This includes the volume mod above - $500 US plus freight.

NOTE: All Joule Electra products are shipped by second day air. The cost is $65 inclusive of handling.