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Messages - Psycho Bass Guy

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The Outpost Cafe / Re: Real people. Not actors.
« on: August 06, 2017, 11:22:01 PM »

Gibson Basses / Re: How serious is the neck dive in an SB400?
« on: August 01, 2017, 10:26:51 AM »
I came here to kick ass and cure neck dive, and I'm all out of neck dive!

The Bass Zone / Re: Looking for a Hollowbody
« on: July 19, 2017, 03:39:24 PM »
Shirley Manson is amazing! Her turn on "Terminator: the Sarah Connor Chronicles" was superb. Fox was stupid to have cancelled that show.

The Bass Zone / Re: Dean Markley string issues
« on: July 10, 2017, 05:02:30 PM »
I've always hated Blue Steels: dead in a second and often dead out of the box, and this from a guy who changes strings every few decades! You don't have to look hard to hear similar tales about Blue Steels going back a very long time, but I've always loved the SR2000's; they're on my Marcus Miller Jazz. I hate to hear that they're not good anymore and wonder if maybe the same QC issue or perhaps design flaw got ported over to the new factory and they've now screwed up the one bass set that Dean Markley put out with a good reputation.

I have a similar story with Ernie Ball Slinky 5's except about length for stringing my G&L L2500 through the body, and the new strings they sent me for free still didn't work, but I adjusted to stringing it through the back of the bridge. I may get a set of longer scale strings for it one day, when I change strings again in another few years.

Rickenbacker Basses / Re: A piece of Ric modification history
« on: July 10, 2017, 04:33:24 PM »
I have one of Jerry's oversized armbands from a 1999 concert. It was a great show.

Bass Amps & Effects / Re: Adding an 8ohm tweeter box to a 4 ohm 215
« on: July 06, 2017, 08:24:29 PM »
The info you need to mathematically model what will happen is the power handling of the capacitors in the crossover and the frequency/impedance response plot of the drivers in both cabs, but it's much easier to just try it. Since the Klipsch is a 100 watt cab, you ought to be OK in terms of not overpowering and blowing it.  The 400+ is only 225 watts anyway and you're sharing the output with a big power eating 2x15. I doubt the Mesa's output transformer/power tube section (what you normally would need to be worried about with mismatches) will be strongly affected at all.

Bass Amps & Effects / Re: Adding an 8ohm tweeter box to a 4 ohm 215
« on: July 06, 2017, 05:09:40 PM »
This depends VERY much on the crossover and the drivers in  the "high box." When you run the cabinet in parallel, it doesn't matter how it sounds, the power is being shared evenly between the two cabinets UNTIL the crossover/physical limits of the Klipsch drivers come into play. It's not going to hurt anything to try it and just run off your normal  4 ohm output tap. If you start to notice any part of the amp running noticeably hotter or it being more distorted, switch to the Boogie's 2 ohm output jack.

Don't start me with tube amps right now!!!  :-\   :mrgreen:

My SVT has just broken down again, it always reliably does. I read these amazing stories about people and their SVTs, roadworn and same set of tubes for 20 years. Not mine. I bought it (new) around 2004 or so. It was the Anniversary series, and it has all its tubes exchanged twice already since then. It's never gigged (I'd never trust it to work going from A to B with the experiences I've had!), not very often played, it just sits in a perfectly dry and heated rehearsal room and does nothing most of the time. It wasn't even played for the last two years or so (I had left that particular band, the amp was still mothballed in their rehearsal space), still all I get now is distortion at very low volume and the master volume obviously not working at all (full gain and full master = you can barely hear the signal and it is all distorted, brittle and keeps cutting out). I know the symptom, it is always followed by full replacement of all tubes. I find two - very soon: three - complete tube replacements in an amp over a period of 12 years (with the amp being played once a week at the most) unreasonably much.

No other piece of equipment has ever done this to me. Not Dynacord, not H&H, not Reu├čenzehn, not Peavey, not Ashdown,  not Markbass, not Orange. That SVT is jinxed.

Rant over!  :mrgreen:

Yours is a modern era, SLM produced SVT CL, and almost nothing like a vintage SVT aside from the name. I used to be an SLM service provider and tales like yours were not uncommon, mainly because their QC and parts quality could at times be abysmal in what were for the most part otherwise decent amps. I encountered a few SVT CL's and IIPro's that did the same things as yours and the fault had nothing to do with the tubes. Their protection circuitry had a tendency to become hypersensitive and short of completely redoing the output section and replacing it, the only reliable solution was to use output tubes requiring extremely low bias current or biasing them extremely cold and subsequently, most of those amps would never even come close to their rated output power.

You have a faulty amp being serviced by an incompetent tech, "certified" service center or not.

Bass Amps & Effects / Re: A mere 50 years of misunderstanding
« on: July 05, 2017, 11:50:10 AM »
I've not encountered near as many problems with mains voltage being higher, probably because even though US mains voltage has risen proportionally to your observations over the years from the rated 110 to an average of 117-125v, power lines here sag more under the higher current flow and help mitigate the effect somewhat. I can definitely see with a mains voltage based on the 220v rating how it would be harder on amps.

Bass Amps & Effects / Re: A mere 50 years of misunderstanding
« on: July 04, 2017, 12:08:13 PM »
Thank Aspen Pittman's marketing of Groove Tubes in its early days for the ideas the kids have about tube life.  Between his and Mesa Boogie's asinine suggestion that tubes barely last six months (convenient when you sell them, no?) the modern myth about tube life exists. In the early days of Chinese and Russian imported audio tubes when dealers were selling REJECT tubes from said countries, caution was more in order, but making tubes is not rocket science and nowadays modern tubes equal the sound and robustness of nearly anything from the past. The most dangerous thing for tubes outside of vibration and physical shock is very rapid cooling of the envelopes, which will shatter them, but you really have to try to do that.

Bass Amps & Effects / Re: A mere 50 years of misunderstanding
« on: July 03, 2017, 05:52:15 PM »
So if that's the case, when taking a break, the Power switch should be left on (up) and the Standby switch should be off (down). That will leave the low voltage /heaters/filaments on, but kill the high power side.

Yes. Standby is more controversial among guitarists who tend to elevate every part of the signal chain except practice to near-religious icon status. Most bass amps made in the past 60 years already have one and need it and it should be used as described in the above quote. I've seen it recommended to never put the amp in standby once it has been in use already (ie- a set break) but I disagree.

Gibson Basses / Re: One of Gene's Grabbers for sale
« on: June 26, 2017, 07:31:30 PM »
Gene was just here for a comic convention Saturday. Watching him take over a live teaser segment from the station where I used to work, literally take the mic away and running way over time and completely dumbfounding the teenage-looking reporter who I doubt even knew who he was... that was funny. My contacts at the show said he was a dick and charged $140k for his MINIMUM appearance guarantee and never talked to anyone who didn't have a tv camera or leave his three armed bodyguards once he was there. And dear Lord, for all the money he has, you'd think he could get a better wig! There's cheap and then there's

The Outpost Cafe / Re: Real people. Not actors.
« on: June 10, 2017, 01:22:05 PM »
Thank Dave! After many years of way too many repairs on my Silverado, if I ever am able to afford a new car, it won't be a Chevy.

Gibson Basses / Re: Explorer For Sale
« on: May 21, 2017, 11:16:58 PM » much for Greco pseudo-'splorer? Inquiring minds want to know.

The Outpost Cafe / Re: RIP Chris Cornell
« on: May 18, 2017, 06:31:09 AM »
One report I've seen mentions possible suicide. Just damn.

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