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12-15-2012, 05:56 PM
|  | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | SL900 Dead!!
Yikes!! My 900 is dead. Any suggestions.. I am so screwed here.. I need to use this tomorrow.. it was fine yesterday. Time to get a back up amp. |
12-15-2012, 05:58 PM
|  | Registered User
Endorsing Artist: FEA Labs, Jule Amps | | Join Date: Jun 2004 Location: los angeles, CA | | | Plug into the effects return and see if you get any sound.
__________________ music | light | gear Quote:
Originally Posted by R Baer  Regardless of what you see in the magazines, you just can't argue toast physics. | |
12-15-2012, 06:08 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | Hey that worked.. So what is that telling me.. that the line from the input to the effects line is dead or could it be a fuse? |
12-15-2012, 06:19 PM
| | Registered User
Endorsing Artist: FEA Labs, Jule Amps | | Join Date: Jun 2004 Location: los angeles, CA | | Quote: |
Originally Posted by Sav'nBass Hey that worked.. So what is that telling me.. that the line from the input to the effects line is dead or could it be a fuse? | Probably a bad preamp tube.
__________________ music | light | gear Quote:
Originally Posted by R Baer Regardless of what you see in the magazines, you just can't argue toast physics. | |
12-15-2012, 06:30 PM
|  | Registered User | | Join Date: Nov 2008 Location: Lake Havasu City, Az USA | | | Now loop an instrument cable from effects send to effects return and plug your bass into the normal input.
__________________
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.
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12-15-2012, 06:38 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | No joy there.. I did notice that the preamp functions do not work gain etc. |
12-15-2012, 06:42 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | I seem to remember a post about changng tubes not voiding the warranty.. I think i still have a warranty on this. |
12-15-2012, 06:42 PM
| | Registered User | | Join Date: Nov 2008 Location: Lake Havasu City, Az USA | | Yes, the preamp section is faulty (you know the power amp works 'cause you plugged into the effects return). If it has a pre tube it could be bad or loose, could also be just a simple inter-connect cable. PM agedhorse he can walk you through the problem. 
__________________
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.
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12-15-2012, 06:47 PM
| | Registered User
Bass Industry guy, currently a free agent | | Join Date: Apr 2011 Location: Tempe, AZ | | | swap the tube. If you are hearing signal when plugging into the back then it is almost a positive fix. If it was working yesterday and today it isn't...It could have become unseated vs fully blown.
__________________
Be Groovy 
Remember folks at the end of it all this is about having fun and entertainment  |
12-15-2012, 06:50 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | I'll try that.. |
12-15-2012, 06:50 PM
| | Registered User
Bass Industry guy, currently a free agent | | Join Date: Apr 2011 Location: Tempe, AZ | | Quote:
Originally Posted by Sav'nBass I seem to remember a post about changng tubes not voiding the warranty.. I think i still have a warranty on this. | You are correct sir.
__________________
Be Groovy
Remember folks at the end of it all this is about having fun and entertainment |
12-15-2012, 07:06 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | I noticed the 2 & 3 tubes are 12AX7 tubes.. The 1 tube is different.. will that make a difference? I also noticed that the blue LEDS do not light and that usual click you here when the warm up protect LED goes out does not happen.
No joy there either.
Last edited by Sav'nBass : 12-15-2012 at 07:10 PM.
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12-15-2012, 07:24 PM
| | Registered User | | Join Date: Nov 2008 Location: Lake Havasu City, Az USA | | | Did you PM agedhorse? He is a applications engineer for Genz Benz and helps out here all the time.
__________________
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.
|
12-15-2012, 07:26 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | Yeah I was going to but usually he seems to pop up like the Allstate guy..  |
12-15-2012, 07:29 PM
| | Registered User | | Join Date: Nov 2008 Location: Lake Havasu City, Az USA | | When time is tight....."like a good neighbor, State Farm is there"  Gotta nudge things some.
__________________
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.
|
12-15-2012, 07:38 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | | Done.. In the meantime I will have to go through the effects channel for tomorrow morning.. All the tubes seem to light up though.. at least they have an orange glow.. so maybe it is something more than just a bad tube. |
12-15-2012, 07:43 PM
| | Registered User | | Join Date: Nov 2008 Location: Lake Havasu City, Az USA | | | Could be just a loose or corroded flat cable? I don't know the interior/or design of Genz amps at all. I have heard of flat inter-connect cable problems on some of Genz units though.
__________________
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.
|
12-15-2012, 07:49 PM
| | Saved by Grace Bass by choice.. | | Join Date: Jan 2009 Location: Northern Va. | | It looks pristine inside.. the first tube that I thought was a different tube is actually one of these so apparently all 3 are 12AX27s.. I will go to GC after the morning services are over. |
12-15-2012, 09:26 PM
| | Development Engineer: Genz Benz | | | | | Bummer man, sorry to hear about this.
If the tube warmup led does not go out or you do not hear the amp's relay click when the amp comes out of warmup mute, there may be something more than a tube that has failed. Normally, it just a bad tube.
I will pm you some options tomorrow regarding sorting this out, as I am in the middle of a gig right now.
__________________
Engineer: Genz Benz
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12-15-2012, 09:37 PM
| | Registered User | | Join Date: Nov 2008 Location: Lake Havasu City, Az USA | | You the man agedhorse! Sorry about about getting the job title wrong, first thing to go is the memory ya know
__________________
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.
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