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In the Forum: Analog Playback
In the Thread: About EAR 834P Modifications
Post Subject: Modification to the Ear 834PPosted by valves on: 11/24/2009
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Hello to everyone, am new to the sight.  Been reading for a while and decided to mod my 834.  I've had the unit since '96, purchased new from the local dealer.  I have noticed a few differences from the schematic, the 220K load resistors R10 and R110 are absent.  Following the coupling caps are jumpers labeled P2 and P102 to traces in the circuit board.  Following the traces to the center of the board, there is a 100 ohm resistor in series with each coupling cap R18 and R118.  Both traces seem to be connected to 47K ohm resistors R17 and R117, there also are two, 10K ohm resistors in the same area R19 and R119.  Does any one know what the purpose of these resistors is for?  Do I need to add in the 220K ohm resistors?  None of the above resistors are on the schematic provided with the 834 or on the schematic on the web sight.  Also would someone be kind enough to chime in with some recommendations for coupling caps.  Space provided is tight.  Just curious as to what other users find to be the best in the coupling positions.  Thanks in advance, Valves

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