[rodgersorgan] Re: New member with a 750 EXT spkr question.



Greetings,

The Rodgers organ that was pulled out had three balanced line audio 
outputs:  great, swell, pedal.  Each fed its own external power amplifier 
and speakers.  Those cables, amplifiers, and speakers are still installed 
and work fine.

I am seeking a way to integrate the "new" 750 (with internal speakers we 
would probably not use) so that it can feed these balanced line input 
amplifiers in a similar manner.  One way might be find a place in the 
circuitry to insert high input impedance single-ended to low impedance 
balanced transformers, one for each signal source, and couple to the 
existing facility cables.   Based on my past experience, just wiring into 
the internal speaker wires (of which there are two sets) may not provide 
the service and quality I'm seeking. Alternatively, there might be 
something from Rodgers (like there was in the previous organ) to 
conveniently provide the converted set of signals.

-George Hamma

-------------Reply 1 ----------------------
I have to ask how many amps are the amplifiers? The next thing I would 
think is
that fi you spliced into the speaker wires and run them in  series, you should
be able to have all speakers working. Unless I'm misunderstanding what it is
that you are trying to do.

Rich

----- Original Message -----
From: noel jones
Sent: Sunday, May 25, 2003 8:31 PM
To: rodgersorgan@xxxxxxxxxxxxx
Subject: [rodgersorgan] New member with a 750 EXT spkr question.



Greetings,

I have been asked by a local church in Sunnyvale, CA that is replacing an 
older

Rodgers organ with external house speakers and amplifiers with a 750 having
internal speakers and amplifier.  I'm looking for information about doing the
internal -> external connections to the 600-ohm shielded twisted pair lines 
to
the existing amplifiers.  Naturally, we ended up with an owners manual but 
have

not located any schematics so far.

-George Hamma




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