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please help. i think my first sadowsky is faulty

#21
OP - i think it works normally. I use mine a couple of years. With controls set flat it does not change the sound.
As for the hum, try to switch the ground lift switch on the preamp. If it does not help, try using different power adaptors.
It is normal that some not best quality adaptors hum with some pedals.
 
#22
Munjibunga said:
If your amplifier is grounded and the Sadowsky DI is not (it's not), you may have a ground loop. Since the hum went away with the effect on battery only, that's probably what's going on. If you have a ground lift on your amp, try that. Otherwise you made to buy a little hum eliminator box by Rolls or Ebtech or somebody.

As far as the EQ, it's flat when fully counterclockwise and, as others have said, it's boost only. It should not affect your tone when the EQ is all the way down. Start out with your amp set flat, your bass set flat, and the DI set flat. Then gradually boost the bass on the DI until it sounds bitchen to your ear. Then futz with the treble a bit until it sounds mo' bitchen. Then, when everything sounds completely bitchen, you're bitchen.
Click to expand...

thanks man. and also everyone.
it helped clear everything up for me.
 
#23
nemo said:
OP - i think it works normally. I use mine a couple of years. With controls set flat it does not change the sound.
As for the hum, try to switch the ground lift switch on the preamp. If it does not help, try using different power adaptors.
It is normal that some not best quality adaptors hum with some pedals.
Click to expand...

yeah i tried the groundlift switch on but it didnt cancel the hum.
i think ill just go with the battery
 
#26
Make sure your power supply is CENTER NEGATIVE and not center positive. Your power supply will have an icon that will show a + or - sign with a line pointing to the center of the connector.

Don't make the mistake that I did and just assume it uses the more common center positive.

This photo is of the power supply that came with my Sadowsky pedal.
IMG_0410.jpeg
 
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#27
Daedraziel said:
Appreciate it so far. Was overall happy with the combo but of course had little nitpicks here and there depending on venue or setting. almost never brought volume or gain past the 9 oclock position. I actually dont see much of difference at all from the 500 vs 800 combo and I can honestly say I've only ever needed the extension cab 5-6 times ever. I run sound half the time and our system (EV ETX 18's and 12 tops) seriously handles everything front of house.

Im actually starting to consider that a good 300w compact combo could work or something with tilt back to avoid stage volume blasting my bandmates. I dont know. wish the guitarcenter or local shops had decent stuff to try...alot of the same Rumbles and Markbasses and Ampegs
Click to expand...

Spectre Gunner said:
Make sure your power supply is CENTER NEGATIVE and not center positive. Your power supply will have an icon that will show a + or - sign with a line pointing to the center of the connector.
Click to expand...
I'm guessing (hoping) after 10 years they have it figured out. :laugh:
 
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#30
LOL. Hail Zombie!!

Somewhat ironically….

I happen to be in Wellington ATM; and have just been through an “interesting” episode with the Sadowsky SBP-1.

The pedal requires a LINEAR center negative 9V adapter. Many adapters these days use switching transformers; which are fine for most pedals, but NOT for the SBP-1. I had brought a linear 9V adapter, which worked just fine in the US, and was rated for 115 VAC to 240 VAC. Here in NZ, it powers up the preamp, but produces background noise that wasn’t happening in the US.

So, I went down to the local RockShop on Cuba St, which is a Warwick / Sadowsky dealer; and which sells the SBP-1. Twice. First time, they gave me a 240VAC OneSpot 9V adapter, claiming it was the correct adapter. It didn’t even power the pedal up.

Second trip, I took the SBP-1 and both adapters. The shop verified the behavior summarized above, tried two other adapters, and then conceded that they had no idea how to power the pedal. Even though they sell it. They didn’t seem to have the energy to check the new products on the shelf; which was unfortunate, because I was curious whether Warwick had improved this aspect of the pedal. I think they were tired of me and my problem.

Thus, I will be using 9V batteries while here in NZ. 8^(

(BTW, the TB emoji’s don’t seem to be accessible with the new site format. Or, maybe I’m just having a bad moment.)

The SBP-1 is a go-to for my Fender basses. A GREAT circuit. Life’s challenges continue.
 
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