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Page 2 - 1950's Maestrovox Information Centre These Pages are
Copyright Protected - See Bottom of Page
Original circuit diagrams (schematic) and component lists for my Grandads Maestrovox Organ design from 1952. Also the
patent, which gives a detailed description of the original Maestrovox's technical layout as well as a list of the components
used in the diagrams.
It is likely that these circuit diagrams will relate only to the very first Maestrovox and not to later models.
Please see the owner/engineer comments at the foot of this page.
As I know nothing about electronics, I would be grateful for any feedback, comments, corrections,
observations etc. Also, if you have any diagrams, or have managed to create diagrams that
will help others repairing or restoring a Maestrovox then please let me have copies for the pages. Thanks.
Do you own a Maestrovox or know someone who does? then please tell us. Email Maestrovox
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Click on a document to ENLARGE it
If you cannot read the diagrams clearly and would like full size copies, please
let us know which documents you require and we can arrange to email or post them to you. To cover the time and costs involved,
please note that there is a £1.50 charge per document, or £25 for the entire set. maestrovox@debbiecurtis.co.uk
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| Circuit Extra ???? |
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| Additional Item |
This hand drawn circuit did not form part of the main documents, it was written on the back of circuit
page 1 and may not be anything Maestrovox, if you work it out, please let me know.
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| Patent & Tech Spec |
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Comments from Owners & Engineers on the Circuit Diagrams & Patent Owners Comment :- 16-01-2010 - Ownre of 1287 wrote :- I`ll be happy to answer any
questions about this item for you (if I can).
something that may interest you is that mine also does not have the neons
for the vibrato circuit (like the other guy that posted on your site), sadly the circuit diagrams you provided are a little
hard to read for my eyes even with my glasses on.
but you can Still get the valves for these "organs" today
and they don`t cost all that much either, so it`s safe to say that you could keep one of these going for another 50+ years
without much trouble ;)
Owners Comment :- 31-07-2006 - Greg Middleton wrote :- I'm slowly working through the diagrams
comparing them with my Maestrovox Consort De Luxe. My initial findings are that the circuits are for an earlier, more basic
instrument, probably in support of the patent application. Mine has more refinement in the keyboard and envelope shaping circuits,
and of course has a separate amplifier unit. Also, the circuit sketched on the back of the main diagrams is almost certainly
much later, maybe 20 years later, as it is drawn in a more modern notation.
Owners Comment :- 30.07.2006 - Nigel Bailey wrote :- "My consort model is definitely different
from the diagram shown, not vastly, but I havent got any neons in the vibrato circuit of mine (which could explain why the
vibrato doesn't work (!), or just that it's a different vibrato oscillator type). The patent document is really really useful,
as it explains the circuit really well, and will probably help vastly in the decoding of what i've got".
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