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Messages - Jenzz

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The Fender Rhodes Electric Piano / Re: New Vintage Vibe Electric Pianos
« on: January 14, 2016, 02:58:13 AM »
Hi .-)

This is my small setup since Nov. 2015... and lovin' it for sound and portabiity .-)


The Fender Rhodes Electric Piano / Re: Suitcase vibrations
« on: January 04, 2016, 03:18:19 AM »
Hi .-)

On the later suitcases (tone control with sliders) you will have no feedback problems, because this preamp has a high-pass right at the input (think of a Stage's BassBoost pot turned right about half way down).

On pianos with the Peterson preamp, you can get Feedback (not always, but in most cases) by turning volume up full and pushing the pedal... There is no high-pass at the input... There are some keyboarders (like Patrick Muller from Eric Truffaz' band) who work with this as an 'effect'...


Hi .-)

I have done a schematics some time ago:

regards, Jenzz .-)

Other Keyboards & Software Synths / Re: vintage Vibes piano -- MIDI
« on: April 25, 2015, 04:10:55 PM »
Staedler Electro = Waldorf

It's a bit sad that the Waldorf guys didn't continue the Rhodes Mk7 MIDI as a stand alone unit for retrofit. Still having some tracking problems here and there, it's much more easy to use for the user that the PNOSCan, because you don't have to hook up a PC to make changes to the system. All adjustments can be done via the display and Encoder on the unit itself.


Hi Peter .-)

Seems that there are defective coupling caps, so the LDRs modulate the DC voltage instead of the audio only...


Hi .-)
Since there is not much heard of Majorkey over the past year, i think it will take some time that some of these wil be available.

Maybe you should check out our TRamp Preamp from The next production run is planned for the end of this year and we have some free places on our waiting list... The unit is internaly switchable to 115 V, so that would be no problem...

regards, Jens .-)

Hi .-)

The pic is from some years ago... I have a different setup now, using a DW-8000 and a Prophet 600 on the same 'rig'. DW-8000 + P600 are roundabout 20 kilos, but there is only a small amout of bending of the top lid.

regards, Jenzz

Hi .-)

Check out this:

I've made this for myself, based on water piping...

regards, Jenzz

Link is ok...!

Price is 445 EUR (ca.570 $). I do repairs most of the time, so this is kind of a 'side-project' for me, building approx. 1 unit a month.
I had build the first prototype for my personal use, but customers at my workshop liked the sound and concept, so the project evolved to what is the TRamp now.


Incidentally, does anyone else here happen to have a custom, hand-made Rhodes preamp on the market that sounds as good as this one? I'd love to take a look/listen.

Yes, i / we have  8) ... The intend on the 'TRamp'  was to get a Stage piano to line-level with amp-like sound + stereo panning tremolo, all this in a 19" 1HE rack unit... The first 3 untis are out on the road and our customers love it....

regards, Jens

Its a bit strange....

Some weeks ago, they had this on the exhibitors list of the Musikmesse:

Rhodes Music Corp.
Halle 5.0 Gang A Stand 26

If you try it now, they're not listed anymore...?


The Fender Rhodes Electric Piano / Is this normal?
« on: March 07, 2007, 01:33:46 PM »
Hi :-)
This is normal... The highest pickups are connected via a capacitor which forms a high-pass network to avoid low-frequent mechanical noise from the hammers striking the tines.

regards, Jenzz

Hi :-)

I'll be there on Thursday 29th, 14:00 Rhodes.


Parts, Service, Maintenance & Repairs / Hardware on a Rhodes
« on: May 27, 2004, 02:06:56 AM »
Hi :-)
I use hard ware for case-building to replace rusty parts. Most locks an corners are direct replaceable with those.

I recommend Adam Hall od Musik Produktiv to buy those things.

Hi again :-)
While searching for some other things i came over this conversion kit schematic on the Super Site:

This one makes it possible to connect a 5-pin Piano to a 4-pin cabinet by using an external / additional power supply only for the Piano

regards, Jens

Hi :-)

Look for a circuit like this:

This forms a virtual ground circuit with Vcc/2 being the ground terminal.

With this circuit, you can derive a +/-12 V supply out of the single 24V supply of the 4-Pin cabinet.

regards, Jens

Parts, Service, Maintenance & Repairs / Radio Interference
« on: May 25, 2004, 08:33:53 AM »
Hi :-)
Chances are that you have a ground loop problem. Both, the Piano and the ProTools computer have an earth connection via the power cable. If you connect an audio cable, the ground loop is closed via the cable shield which causes hum and interference.

Use a line iso-box or a DI-Box to record into your ProTools system or Tascam recorder.

looks like this...

regards, Jens

Amps, Effects & Recording Techniques / Suitable amps
« on: May 25, 2004, 02:35:50 AM »
Hi :-)
These are the amps i had during the years which i can highly recommend:

Fender Twin Reverb (...of cause....)

Fender Pro Reverb (last version)
This one is the same chassis as the Twin Reverb but only half the power (2x 6L6 instead of 4)

Fender Blues DeLuxe
Nice little 40W all-tube amp with reverb and drive, 1x 12" speaker

Fender Vibrosonic Reverb
Same chassis as TwinReverb but wih 1x15" JBL DF130 speaker

Peavey DEUCE
Transistor preamp, tube power-amp 'Hybrid', has nice built-in phaser very similar to the EH SmallStone, 2x 12"

JazzChorus 160
Same chassis as JC120, but sounding very different (more fat / low end) due to 4x10" speakers instead of 2x 12"

Maybe this can be of some help for anyone...

regards, Jens

Have you ever checked the innards of the Piano preamp?

Seems that somebody modded the circuit to make it work at single 24V supply...this can be done, although its a bit difficult.

regards, Jens

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