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reverb pan [message #7640] Fri, 29 September 2006 16:22 Go to next message
kevineh is currently offline  kevineh
Messages: 21
Registered: August 2006
Location: Southern California
Junior Member
I bought a 250 guitar head,and the reverb pan had broke off inside and was bouncing around in the head. It seems those rubber mounts disinigrated. does anybody have any ideas for a good replacement for those so I can properly remount it. Also, there's the circular adjustable clamp that goes in there, and it looks like theres some kind of foam residue that used to be on the end of that. Was there a little circular foam piece? or glue or something?
Re: reverb pan [message #7652 is a reply to message #7640] Tue, 03 October 2006 07:28 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
I do not know if you will be able to find those replacment mounts. although I have never looked around for such. You best bet would be to check the larger on line electronic supply houses.
One way around it would be to get some # 8 machine screws and nuts along with eight rubber wiire grommets with a ID of about the # 8 screw.
With a screw of the right lenght you can stand off the reverb like stock and then clamp the pan further down the screw inbetween two grommets and a set of doubble nuts.
I better idea would be to hang the pan off the amps lid and as close to the front of the amp as possible, this will help lower the 60 cycle hum that all 150s and 250s have when you turn up the reverb, the only down side is that you loose the reverb lock, and Yes, that round plate on the reverb lock originaly had 1/8 inch black foam rubber on it.
Re: reverb pan [message #7677 is a reply to message #7652] Fri, 06 October 2006 11:22 Go to previous messageGo to next message
Smoke1
Messages: 107
Registered: September 2003
Location: Southern Maryland Solomon...
Senior Member
Steve,

Did you ever publish the Reverb tank part numbers for a K200 heads? I couldn't find anything in the older posts?
What would be the biggest and bestest Verb tank to use as replacement?



Smoke1 Plays Kustom Amps & Old Tube Amps Loud in S. Maryland
Re: reverb pan [message #7684 is a reply to message #7640] Mon, 09 October 2006 07:29 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
I though I had the reverb pan info with me, but I do not.I will post it on tuesday,Sorry.
Re: reverb pan [message #7691 is a reply to message #7640] Tue, 10 October 2006 13:39 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
Hi all!The accutronics part number for a replacemt kustom reverb pan is
4BB2C1A
Re: reverb pan [message #7831 is a reply to message #7640] Thu, 02 November 2006 10:54 Go to previous messageGo to next message
Smoke1
Messages: 107
Registered: September 2003
Location: Southern Maryland Solomon...
Senior Member
Sad Can't Find Any 4BB2C1A in stock on Internet vendors?
Any Ideas or who has some in stock?


Smoke1 Plays Kustom Amps & Old Tube Amps Loud in S. Maryland
Re: reverb pan [message #7833 is a reply to message #7831] Thu, 02 November 2006 11:32 Go to previous messageGo to next message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
Smoke:
Some Ampeg/Crate amps use a 4BB2C1B tank, that might work. The difference between the last letter A or B is the A is designed to be mounted open side up, and the B is designed to be mounted open side down.

Try a Crate dealer, or contact Accutronics directly, they will make you the tank you need on a custom basis, if you are willing to pay the price. Well at least I know they used to offer this service, but I haven't called them in quite a few years now. The Accutronics web site will explain all of the numbers and letters for you if you're interested.

If you look at the old tank, see if there is an Accutronics code number stamped on it. If there is, you can order an exact replacement. For your metal front, I would recommend a tank number 4BB3A1C, 4EB3A1C or 4FB3A1C (the C letter is designed to mount horizontally with the connectors up).

Bill
Re: reverb pan [message #7834 is a reply to message #7640] Thu, 02 November 2006 12:58 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
I emailed Accutronics with my original pan info and thats the part number I posted that they gave me, so I hope its right!
Re: reverb pan [message #7835 is a reply to message #7834] Thu, 02 November 2006 16:37 Go to previous messageGo to next message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
Steve/Smoke:
I've re-read the posts, and Smoke is looking for a pan for a 200B, so the 1A is correct, not 1B or 1C. The 1C is correct for the metal front amps.

Bill
Re: reverb pan [message #7867 is a reply to message #7652] Sat, 11 November 2006 09:09 Go to previous messageGo to next message
tweed112 is currently offline  tweed112
Messages: 34
Registered: January 2006
Location: Mass
Member
I was wondering.. I have a K150-8 2-10 SC that is missing the reverb pan! I put a reverb pan I had laying around for years in it...the reverb pan doesnt have a name,model,or part# (But) it works Just fine... My question is: is there any real danger to the AMP useing this reverb pan
Thanks
Re: reverb pan [message #7871 is a reply to message #7640] Mon, 13 November 2006 07:19 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4728
Registered: June 2004
Location: NY
Senior Member
If it works its close enough in impeadance to not be a concern, as long as you are getting enough reverb out of it to make you happy your fine.
Re: reverb pan - Variation [message #8191 is a reply to message #7640] Wed, 07 February 2007 10:41 Go to previous messageGo to next message
daveobergoenner@gmail.com is currently offline  daveobergoenner@gmail.com
Messages: 104
Registered: January 2007
Location: Missouri
Senior Member
OK, I finally got the reverb circuit working in my K-200 A5. After replaceing a capacitor which thought it was a resistor, the thing is working using an old K-10 tank, from an old Fisher "Space-Expander" tube reverb. It's not really the right tank for the Kustom (wrong input impedance) but it worked well enough to tell that it's working.

Just for fun, I ordered a new tank from Accutronics, who direct sells now via ebay. (my K-200 came to me without a tank) For a twist, I orded the tank (or pan) with the 6 spring variation of the long tank...Type 9 as they call it.

The original tank is a 4 spring version...
4BB2C1A

The 6 spring variation...
9BB2C1A

I generally perfer the sound of the 6 spring units, since they offer more variation in the decay tuning...and the resonance isn't so peaky. They sound better (to me at least) for general effects use. The impedances of the 6 spring are just slightly different from the original 4 spring unit, but I think they are close enough that it won't really matter.

I'll report back when it comes in on how the mutant K-200 sounds with this variation.

Thanks to Steve for the tips!

Dave O.


Dave 0 Wall-O-Bass
Webpage - <a href="http://webpages.charter.net/daveobieone/" target="_blank">http://webpages.charter.net/daveobieone/</a >
Re: reverb pan [message #8291 is a reply to message #7640] Tue, 20 February 2007 09:18 Go to previous message
daveobergoenner@gmail.com is currently offline  daveobergoenner@gmail.com
Messages: 104
Registered: January 2007
Location: Missouri
Senior Member
Finally got the “upgraded” reverb tank for my Kustom K200a5 head from Accutronics.

The 6 spring variation...
9BB2C1A

I can tell you that compared to the original 4 spring version, the 6 spring is a huge improvement IMHO. I’m not much of a guitarist...mainly play bass, but the improvement is obvious on either.

The thing which bothers me most about the 4 spring tanks is this...some notes ring out forever through the reverb, and some show much less reverb. I think this is because of the limited resonance of the 4 spring version of the tank.

With the 6 spring version of this tank, all notes seem to ring-out through the reverb much more evenly. The sound is much more natural...much more like real, acoustic reverb.

The slightly different impedance of the 6 spring vs. the 4 spring doesn’t seem to matter to my K200 head.

BTW, Accutronics now sells their reverb tanks (or pans) directly on ebay...
http://item.express.ebay.com/Musical-Instruments_Guitars_Gui tar-Amp-Accessories_Accutronics-Type-9-Spring-Reverb-Tank-NE W_W0QQitemZ250063582558QQihZ015QQptdnZGuitarQ20AmpQ20Accesso riesQQddnZMusicalQ20InstrumentsQQadnZGuitarsQQcmdZExpressIte m

If you have $43 to spare, I highly recommend trying this. Of course, it’s not quite the same “vintage” sound as the 4 spring, but in this case, vintage equals less quality...at least in my opinion. Others may feel differently.

Dave O.


Dave 0 Wall-O-Bass
Webpage - <a href="http://webpages.charter.net/daveobieone/" target="_blank">http://webpages.charter.net/daveobieone/</a >
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