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04-02-2012, 05:51 PM
| | | | Cheap preamp
I'm in a jazz band. I usually play electric bass, but I want to play more upright with them. But, when i plug the bass straight from the pickup to the amp, it sounds like crap. Anyone know of a preamp that mostly works, and is really cheap? Like under 75$?
Thanks! |
04-02-2012, 06:36 PM
|  | 鉄人マイケル | | Join Date: Jun 2006 Location: Eugene, Oregon | | According to this, the input impedance of your amp is 220 K-ohms. Most DB pickups require 1 M-ohm or higher impedance.
If you must use the Crate amp, you should get an preamp with a higher input impedance. A highly regarded and inexpensive preamp on this forum is the Fdeck preamp. Check it out.
Hope this helps. |
04-02-2012, 06:57 PM
| | Registered User | | Join Date: Oct 2011 Location: Cartersville, Georgia | | | +100 on the Fdeck
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04-02-2012, 07:55 PM
| | Registered User | | Join Date: Jul 2005 Location: Olivette, Missouri | | | The Best Investment You Could Make
Quote:
Originally Posted by John Crosley  +100 on the Fdeck | Definitely, just get one. I like Version 2 because it has a volume control and battery indicator.
Ric |
04-02-2012, 08:16 PM
| | |  +100000
F Deck pre-amp is a must have for DB |
04-02-2012, 09:38 PM
|  | Oracle, Ancient Order of Rass Hattur; Mem. #1, EPC | | Join Date: Apr 2004 Location: Connecticut | | A no-brainer. By the fdeck. Buy two! 
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04-04-2012, 10:16 PM
|  | Registered User
Rice Custom Guitars, Inc | | Join Date: May 2005 Location: Palatine, IL | | Quote: |
Originally Posted by drurb A no-brainer. By the fdeck. Buy two! | I have two.  One of each version. Very good! |
04-05-2012, 09:30 AM
| | Registered User | | Join Date: Apr 2005 Location: Pittsburgh area | | |
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04-05-2012, 09:34 AM
| | Registered User
Rice Custom Guitars, Inc | | Join Date: May 2005 Location: Palatine, IL | | Quote:
Originally Posted by Jason Hollar | I have one of those also. I greatly prefer the fdeck HPF-Pre for double bass. |
04-05-2012, 10:00 AM
| | | | I use the fdeck not only to buffer my DB, but to buffer my EB as well, and using the volume knob on the fdeck, trim the levels between the two so I don't have to be fiddling with a lot of knobs between songs when a changeover is indicated.
Last edited by iiipopes : 04-13-2012 at 06:42 PM.
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04-07-2012, 03:32 AM
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Authorized fEARful/FEARLESS/greenboy designs builder | | Join Date: Mar 2011 Location: Nashville, TN | | Quote: |
Originally Posted by Jason Hollar | You may like that as an eq, but it still doesn't deal with impedance, which is the main problem with running a piezo pickup into most bass amps...just sayin |
04-07-2012, 09:05 AM
| | Oracle, Ancient Order of Rass Hattur; Mem. #1, EPC | | Join Date: Apr 2004 Location: Connecticut | | Quote:
Originally Posted by dukeorock You may like that as an eq, but it still doesn't deal with impedance, which is the main problem with running a piezo pickup into most bass amps...just sayin | Well, the Boss does have a 1 Mohm input so, one could argue that it provides a nice load for a piezo. True, the input impedance of the fdeck is 10 Mohms which will tend to play (pun intended) nicer with most piezos. The important feature that the Boss lacks is a high-pass filter! I'd bet a barrel of cookies that the Boss is op-amp based. The fdeck has discrete circuitry. Mind you, I have nothing against the use of high-quality (relatively costly) op-amps for audio. I'd bet at least a half-barrel of cookies that the op-amps in the Boss are quite inexpensive.
The bottom line is that dukeorock is right on target. If we're talking about amplifying DB, the fdeck would be head and shoulders above the Boss.
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04-07-2012, 11:22 AM
| | Registered User | | Join Date: Jun 2002 Location: Salt Lake City, Utah | | | Sorry to hijack, but, would the Fdeck pre work with an SWR bass 350 head? I tired my Fishman, but that doesn't really give me a useable tone.
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04-07-2012, 01:35 PM
| | Registered User
Authorized fEARful/FEARLESS/greenboy designs builder | | Join Date: Mar 2011 Location: Nashville, TN | | Quote: |
Originally Posted by Michael Case Sorry to hijack, but, would the Fdeck pre work with an SWR bass 350 head? I tired my Fishman, but that doesn't really give me a useable tone. | Which Fishman? My guess is the fdeck would be an improvement...sadly, I haven't had any great experiences with SWR for upright, but that doesn't mean your experience cant be a great one |
04-07-2012, 03:08 PM
|  | Registered User
Builder for Audiokinesis, Big E, and Greenboy speakers | | Join Date: Jan 2005 Location: Chicago | | | One product to look for used is a Fishman Dual Parametric direct box. According to a Fishman engineer "the best thing we ever made---sadly we didn't sell much". I agree as far as the best thing Fishman made. 2 Fully parametric bands of eq (both full range), proper input impedance, phase switch. It doesn't have a high pass filter but you can use one band to do the same thing.
They're hard to find but do pop up.
Fdeck's HPF is an awesome tool. Gives you more usable volume. |
04-07-2012, 03:10 PM
| | Registered User | | Join Date: Jun 2002 Location: Salt Lake City, Utah | | Quote:
Originally Posted by dukeorock Which Fishman? My guess is the fdeck would be an improvement...sadly, I haven't had any great experiences with SWR for upright, but that doesn't mean your experience cant be a great one | Fishman platinum eq.
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04-07-2012, 04:02 PM
| | Registered User
Authorized fEARful/FEARLESS/greenboy designs builder | | Join Date: Mar 2011 Location: Nashville, TN | | Quote: |
Originally Posted by Michael Case
Fishman platinum eq.
| I've had a couple and know some folks who like em...I always thought they sounded cloudy, myself |
04-07-2012, 04:23 PM
| | Registered User
Builder for Audiokinesis, Big E, and Greenboy speakers | | Join Date: Jan 2005 Location: Chicago | | | I'm with you---the Platinum sounds pretty cheesy to me. The Dual Parametric doesn't. Nor does Fdeck's HPF. |
04-07-2012, 08:45 PM
| | Registered User | | Join Date: Apr 2005 Location: Pittsburgh area | | | I didn't care for the pro platinum preamp either.
I use my Boss through an SWR 350 actually.
How much are the new fdeck preamps?
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04-07-2012, 08:47 PM
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Rice Custom Guitars, Inc | | Join Date: May 2005 Location: Palatine, IL | | HPF-Pre
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