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Scott,

Just what type of file are you trying to upload?

( .frd and .zma files are extremely small > in the kb range ).

Use the export menu within REW to create .frd or .zma files of your...

Same here! ( with a slight upward-tilting inflection on the "E" for emphasis >> though that might well have been the Quebec influence ) ;)

:)

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You're welcome guys! I was happy that my WinXP era printer//scanner actually worked with Win10 ( even though it kept insisting there was a USB based connection problem ) ;)

Yeh, that...

And the last one in my possession;

90515905169051790518

:)

Issue 8 ( I went back to 200 dpi a couple of issues ago ) .

9051090511905129051390514

Interesting ( to me ) is that the scans from the glossy paper issues ( 1 - 7 ) have less over-contrast...

Issue 5;

90506905079050890509

:)

Issue 4 ( Dec. 1971 );

90502905039050490505


:)

Here's Issue 3;

90498904999050090501

:)

Okay, let's try 240 dpi;

90494904959049690497

Auto down-sampling performed by this sites hosting software seems to work well ( it reduces file size something like 4>1 ).

:)

Here's issue 7 at 200 dpi .

90490904919049290493

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Here's Issue 6 at 150 dpi.

90487904889048990486


Thanks for the help guys

:)

Let's see if these uploads work.

Nope, way too big ( they are multi-page pdf's, scanned at 720 dpi ).

JBLPRO, I'll need an email address from you so that I can send you these files.

Please...

Rob, I don't see any PRO-NOTES" in your link.

( For the sake of clarity ), the JBL "PRO-NOTE" series is different than the Technical Notes series.

The "PRO-NOTE" was available only to dealers...

Mike,

I have both of those. I'll post some scans within a couple of days for you.

:)

Try out Speaker Repair Pros if you're nervous about giving work to Upland.

:)

Hi Andreas,

My guess is that those mids were built with an internal foam filter ( found over the inside of the "Blow-hole" ) .

That foam rots, turns into granular particles and will definitely...

Hi Bernard,

Many ( if not most ) of us will need to wrestle with this downsizing question at some point.

In the case of someone who's gotten used to their "big" sound > one approach is to build...

Here's an internet pic of a GPA 515-8G . Looks like your cone number is correct.

90428

The pic came from HERE!

The one person that I'm aware of ( who's had more GPA woofers filter through...

In the past when Speaker Exchange sold authentic GPA kits, this is the cone number that appeared on the cone ( this was used on all the available kits > 604, 515, 416 ).


90427


I think GPA (...

Just Google "JBL Blue paint code".

You'll see there are a few choices ( many hits come right back here to LHF ).

The "Blue" is not as definitive as you might think ( it varied over the years )...

Most of those links are still active ( once a person adds an s onto the end of the beginning http prefix ).

The "s" simply makes the link secure ( and therefore work as published ) .

:)

Hi,

Here's a look at the original schematic.

90425

Since the black wires are tied together, it wouldn't matter which one you attach to the woofer ( or horn ) .

:)

Looks Great!!

I especially like the Blue Ports in the sub-woofers ( nice visual touch! )

http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=90420

:)

Nice!!

:)

Great Work!

http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=90386

Beautiful Job!

:)