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The Jan Meier Bass enhanced Lite Crossfeed recipe page

Better pics here!

This page is intended to make the Jan Meier Bass enhanced Lite crossfeed available to anyone who owns a soldering iron. There will be no technobabble, no confusing schematic diagrams, just pictures with step by step accompanying instructions which I hope are easy to follow. This page will soon feature tips and tweaks from the great man himself so keep coming back for all the updates on this magical device!

If you are looking for a crossfeed but don't have the ability to make one yourself then visit Meier audio and check out their CORDA CROSS-1 it is, without doubt, the best crossfeed device available in my opinion. It offers three crossfeed settings (low, medium, high) as well as a soft correction of treble and bass. A bypass switch disengages the filter circuitry for normal stereo reproduction.

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Tips & Tweaks
 

 

Let's get started! First off arm yourself with the following list of ingredients. The capacitors can be either polyester or polypropylene, the choice is yours..... Jan Meier favours polypropylene and reckons they are the best sounding. The resistors are also up to you. I favour 1% metal film varieties. I haven't added an enclosure to the list, solder type or RCA sockets, these again I will leave to your personal choice.

 

 

 


Step 1: Select two 2k2 resistors and test them to ensure they are as near to 2k2 as possible. Also ensure they are closely matched..... ideally they will both measure 2k2 exactly. Repeat this with the two 2K resistors and the two 330R resistors. If you don't have a multimeter you can buy one very cheaply.

 


Step 2: fit the two 2k2 resistors to the breadboard as shown and bend the legs over under the board.

 


Step 3: Fit the 47nF capacitor as shown

 


Step 4: Turn the board over and solder the two legs of the 2k2 resistors to the leg of the 47nF capacitor (the legs that are next to the leg of the capacitor..... so all 3 legs in the centre are to be soldered) snip off any excess to make the joint as neat as possible... Tip: before soldering it's best to make a good mechanical connection before soldering, you can either twist the legs together or overlay them .

 


Step 5: Fit the two 2k resistors as shown and bend the legs under the board.


Should now look like this from under the board

 


Step6: Fit the two 330R resistors and bend the legs the same way you did for the 2K resistors

 


Step7: Turn the board over and mechanically connect the 3 resistor legs together as shown... as long as these three are connected it doesn't matter how you do it, again you can twist them together or lay them over one another as I have done.... as long as they are all connected that's the main thing :-)

 


Step8: Solder the three legs of the joined resistor legs together as shown


Step9: Snip any excess resistor legs off

 


Step 10: Place the two 200nF capacitors on the board as shown

 


Step 11: Turn the board over and bend the legs of the capacitors over the legs of the resistors to make a good mechanical joint... a screwdriver is very good for this

 


Step 12: Snip off the excess resistor leg

 


Step 13: solder the capacitor / resistor legs together as shown

 


Step 14: Prepare your hook up wire. You'll need 2 lengths for the left channel, 2 lengths for the right channel and a length for the ground connection. You'll know what lengths you need dependant on what enclosure you will be using

 


Step 15: Tin the ends of the hook up wire (flood with solder)

 


Step 16: insert the left input wire as shown so it is as near to the 200nF capacitor leg which is toward the centre of the board when viewed from above

 


Step 17: Turn the board over and solder the left input wire to the capacitor (or resistor) leg as shown in the above photo

 


Step 18: Insert the left output wire through a hole in the board as shown

 


Step 19: Turn the board over and solder the left output wire onto any of the 3 joined resistor legs

 


Step 20: insert the right input wire as shown so it is as near to the 200nF capacitor leg which is toward the centre of the board when viewed from above

 


Step 21: Turn the board over and solder the right input wire to the capacitor (or resistor) leg as shown in the above photo

 


Step 22: Insert the right output wire through a hole in the board as shown

 


Step 23: Turn the board over and solder the right output wire onto any of the 3 joined resistor legs

 


Step 24: Insert the ground wire through a hole in the board as shown

 


Step 25: Attach the ground wire to the leg of the 47nF capacitor and solder

 


That's the Crossfeed made! All you have to do now is choose an enclosure to house it in and that's you up and running with your very own Jan Meier Bass enhanced crossfeed. Remember to ensure that the ground on the crossfeed is connected to "all" of the RCA grounds if you are using a plastic enclosure, even if you're a metal enclosure it's best to ensure earth continuity between each RCA ground tag.

 

Enclosures

Here are some enclosures which you may wish to use:

 


The smallest Hammond in aluminium... looks the business :-)

 


Bimbox.... solid aluminium cube made in England

 


Under the bonnet

 


Black Hammond enclosure


Black Hammond enclosure with a switch

 


Pretty ugly ABS enclosure but plenty of room inside.

 


Bimbox with a captive lead

 


Black ABS enclosure.

 

 

 

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