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Topics - vanceinatlance

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The Fender Rhodes Electric Piano / Sales demo listed on fleabay
« on: May 18, 2017, 08:54:49 AM »
Don't see these too often, so thought id, share the one I ran across today. Must have a really nice sound for the asking price!!
http://www.ebay.com/itm/401329341726?ul_noapp=true

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The Wurlitzer Electric Piano / Wurlitzer 140 battery pack? 930 amp?
« on: July 21, 2015, 06:19:03 PM »
So my latest find is a wurlitzer 140 (not A or B) that came with a really cool (looking anyways) 930 accessory amp. The piano and amp are both in need of lots of service, but there really is not much information available about these out there I could find. Is there a reason for this?
They both appear to use germanium transistors and the 140 has parts in its circuit I don't believe I have seen before.
The 930 accessory speaker has 4x 6x9? Speakers arranged 1 per side of the amplifier box and what appears to be a remote on/off/volume control with cable.
When I removed the amplifier from the Piano, I noticed that it has a 6 pin round plug marked "battery pack". It appears to be labeled from the factory that way. Was there a battery pack option on the 140 pianos?
Anyone with a working 140 piano out there?
930 accessory speakers?
Any information would be much appreciated.

3
I was not able to find anything here so I'll throw out the question. I have a new project piano that the front rail has somehow split all the way across the rail.  I am going to attempt to clamp glue and screw the rail back together. So far the fix appears to have worked.
I am not sure how this damage may have happened, but there appears to be liquid damage to the front left of the piano. I don't see any obvious trauma to the front of the piano. I am thinking maybe the liquid caused the rail to split and it followed the grain of the wood all the way to the other side?
Anyway, we'll see how this ends up. I was just curious if anyone else has dealt with something like this and if there is a better approach. I should have probably asked before I started on this,  but the thought only crossed my mind after I was well involved in the repair process.

4
Greetings,
 
There seems to be so little information about these out there and I ran across this with my recent 612P. Maybe it can help someone with the AUX PU1 and PU2 outputs. It is also kind of fun to read.

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The Wurlitzer Electric Piano / Dyno My Piano Wurlitzer Super "B" ?
« on: July 08, 2014, 11:29:12 AM »
I was working on sorting out some DMP rail goodies for a stage 73 and started looking into the DMP history and products. From Chuck Monte's site, I ran across this link to Masaki Mitsuhisa's site.
http://ww3.sunnyday.jp/dmp/index.html
I noticed a small grainy out of focus picture of an old Wurlitzer with a bunch of electronics stuffed into its lid.
A title to the left refers to it as a (Wurlitzer Super "B"). I can find no more information on this piano. I assume it was something that was never released. Does anyone know what was modified on this piano or if it was ever released? Were there any other Wurlitzer EP products by DMP?
Just thought I would throw it out there...

6
Amps, Effects & Recording Techniques / Building a Leslie 70 control unit
« on: December 17, 2013, 10:27:56 PM »
I recently acquired a Leslie 70 speaker set without the control unit. I am currently in the process of building one for them using a schematic from Vintage Vibe’s web site.
Thank you Vintage Vibe for sharing this info!!
Their schematic shows an op-amp integrated into the control unit.
Then, I ran across a picture of a control unit’s intestines that did not have an op amp in it. I now wonder weather I am building the wrong control unit for these speakers? Does anyone who might have a set of  60’s or 70’s know if their unit has an op amp integrated inside it or is there anyone who has one without the op-amp integrated? Did Leslie market one control for Wurlitzer and another for Rhodes because of the difference in output? All feedback is very much appreciated.
Thanks,
Vance

7
I ran across a 210, and despite a lot of work needing to be done, I had to take it home. I have a 214 and it has a very nice shelf that works well for holding items that should probably be kept away from the instrument. I noticed that the 210 has a slot for a shelf, but it does not appear one was ever placed there. Was this how they left the factory?

8
Greetings,
I could not find any info on this subject from my searches, so, here goes.
The fr7710 amplifier (board #012835 assy #012838a) has a capacitor C1 listed as 5Uf 25v on the schematic that I referenced from the supersite. On the other 012835 board from the same amp, capacitor C1 appears to be non polarized of the same value. The one I just pulled from my bad channel appears to be polarized?!? It appears to be an original capacitor. Does anyone know if this is supposed to be non polarized or not?
I understand I am working with dangerous and possibly deadly voltages/currents at my own risk. I waive any rights to hold anyone accountable for advise given to me from this site. If I hurt or kill myself working on any piano and or it's electronics it will be my sole fault (probably from my old shaky hands) and I will have lived a happy life doing what I love.
Any info will be appreciated very much!
Thanks,
Vance

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