straightblues
Joined: Mar 28, 2007
Posts: 44
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Posted on Dec 26 2014 06:01 PM
I would love to try out a vintage Gibbs pan. I have a home built Fender style tank (6G15 circuit) and it currently has a Mod Pan in it. The Mod model number is MOD 4AB3C1B. The specs say it is 8 ohm input and 2,250 ohm output. It is mounted on the inside face of the unit under the grill cloth, not flat on the bottom of the cabinet. Here are the specs: https://www.tubesandmore.com/products/P-RMOD-4AB3C1B
If anyone can help me identify one to buy off ebay and PM me, I would really appreciate it. Or if you have one to sell, let me know.
Or, if you think I should leave the current Mod pan in it, let me know that as well.
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DannySnyder
Joined: Mar 02, 2006
Posts: 11060
Berkeley, CA
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Posted on Dec 26 2014 11:11 PM
The beauty of buying used gear is if you pay the proper price, and it doesn't work, you turn around and sell it again. What do you lose? price of shipping, some time... Go for it.
— Danny Snyder
"With great reverb comes great responsibility" - Uncle Leo
Playing keys and guitar with Combo Tezeta
Formerly a guitarist in The TomorrowMen and Meshugga Beach Party
Latest surf project - Now That's What I Call SURF
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Louie7
Joined: Jan 30, 2007
Posts: 448
50,000 Light-Years Beyond Planet Claire
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Posted on Dec 27 2014 12:26 AM
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Dec 27 2014 03:37 AM
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Dec 27 2014 01:52 PM
Someone measured the resistance on their Gibbs L pan and it has 183 ohms on the input and 173 ohm on the output.
— http://www.reverbnation.com/bangmustang
http://www.facebook.com/bangmustang
https://soundcloud.com/bang-mustang
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JObeast
Joined: Jul 24, 2012
Posts: 2762
Finknabad, Squinkistan
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Posted on Dec 27 2014 05:01 PM
A multimeter reading of the Gibbs "C" pan I own yields about 135 ohm at both input and output.
— Squink Out!
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bjoish
Joined: Jul 06, 2010
Posts: 596
Stockholm
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Posted on Dec 28 2014 03:34 PM
Sorry posted in the wrong thread.
Last edited: Dec 28, 2014 15:35:55
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Jan 06 2015 11:01 AM
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dboomer
Joined: Jan 05, 2009
Posts: 262
Port Hueneme, CA
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Posted on Jan 06 2015 02:08 PM
Is that measured DC resistance or AC Impedance?
12 ohms resistance at the input side might be a problem for circuits that aren't transformer coupled (like the Surfy Bear). But it would probably work dropped into the Fender circuit. The output may be a little on the low side.
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Jan 06 2015 04:28 PM
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waldo041
Joined: Feb 08, 2015
Posts: 2
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Posted on Feb 08 2015 12:58 AM
The Gibbs tank "F" designation is a Fender tank. It has an Input DC resistance around 1 - 1.5 ohms and an Output DC resistance around 170 - 185 ohms. They are Type 4 and have rubber strips on the closed side of the tank indicating that they may be open side up orientation. Why else have that rubber strip feature on the closed side when the rubber grommets are sufficient on the open side down tanks?
The Gibbs transducers are color coded, the 1 - 1.5 ohm transducer is White and the 170 - 185 ohm Transducer is Red.
Anyone have info or ever seen a 3 spring Type 9 Gibbs tank?
~waldo
Last edited: Feb 08, 2015 01:02:26
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Feb 12 2015 11:46 AM
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kick_the_reverb
Joined: Feb 26, 2006
Posts: 1338
Escondido, CA
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Posted on Feb 16 2015 08:23 PM
I got this the other day:
http://www.ebay.com/itm/221686817220?_trksid=p2060778.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
According to the description:
1122-6617 Reverb Pan A023580-15
Input measures 1.3, Output measures 174.2
— The Scimitars
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Feb 17 2015 02:11 AM
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LaFleur
Joined: May 20, 2009
Posts: 525
Leipzig
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Posted on Feb 17 2015 02:29 AM
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waldo041
Joined: Feb 08, 2015
Posts: 2
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Posted on Nov 16 2015 12:29 PM
Here is what i was able to acquire from Accutronics, Gibbs tank identifier in relation to the Accutronics codes.
Gibbs = Accutronics
C = 4FB2A1C
D = 4AB1A1E
F = 4AB3C1C - original fender reverb units
F = 4AB3C1B - most original reverb units ship with this tank and used in the Blackface and silverface amps.
K = 4AA1C1C
L = 4FB2B2C or 4FB1B1C
U = 4AB1C1C
V = 4FB1C1E
~waldo
Last edited: Apr 10, 2022 23:30:48
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straightblues
Joined: Mar 28, 2007
Posts: 44
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Posted on Nov 22 2015 11:51 PM
I just bought one of the 1962 Gibbs 1122-6232 AO-2358011 off ebay. Looking forward to trying it out. I will report back after I get it installed.
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straightblues
Joined: Mar 28, 2007
Posts: 44
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Posted on Nov 29 2015 06:51 PM
OMG!!! This Gibbs pan is amazing. My reverb unit is a hand-built copy of a vintage Fender, I have also owned an Uncle Spot and the Fender Reissue. My current unit always sounded really good with the Mod pan, but now with the Gibbs pan it is simply amazing. My reverb unit instantly aged and is now 100% capturing the sound of vintage reverb units I have tried in the past. I do have to crank it up a little bit more with the Gibbs than with the Mod pan, but I also seem to have much more control. I am very happy I finally took the chance on a vintage pan. If you are thinking about it, stop and just do it.
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DannySnyder
Joined: Mar 02, 2006
Posts: 11060
Berkeley, CA
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Posted on Nov 29 2015 06:54 PM
Congrats! Did you measure the impedence of the input and output jacks before you installed? That's the key, as I find the various model #s to be useless.
— Danny Snyder
"With great reverb comes great responsibility" - Uncle Leo
Playing keys and guitar with Combo Tezeta
Formerly a guitarist in The TomorrowMen and Meshugga Beach Party
Latest surf project - Now That's What I Call SURF
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straightblues
Joined: Mar 28, 2007
Posts: 44
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Posted on Nov 30 2015 02:35 PM
I didn't measure the impedance but when I get a chance I will and report back.
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