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Post subject: Jaguar Bass (fender) Active electronics or active pickups?
Posted: Wed Sep 05, 2012 1:45 am
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Hi,
I would like to know what's happen when I switch on the active mode on my bass.
Is it really turn pickups in active mode or is it just turn on a préamp+active egalisation?

The point is that I changed my pickups for two seymour duncan SJB-2, these are passive PU.

I am afraid to shot them if they are wired in a active mode. Is anyone can help me?

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Thx!
billy


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Wed Sep 05, 2012 1:56 pm
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PreAmp.
I had an active bass with the 9-volt hooked
to drive the PreAmp

Some specs on mine:
9 volt active electronics, chrome hardware, pan pot, master volume, three-band active EQ with treble boost/cut, Mid-boost/cut, and Bass-boost/cut,

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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 1:27 am
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Hi
So, I can use the active mode with my news pickups, I will try this tonight.

Thank's!


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 3:36 am
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un Billy wrote:
Hi
So, I can use the active mode with my news pickups, I will try this tonight.
Thank's!



Hi! What are "news" pickups?
Toppscore :)

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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 6:46 am
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You have a pre-amp circuit in the bass but the original pickups themselves are NOT active. Yes, you can use the active mode with the Duncans.

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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 7:11 am
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I put 2 seymour duncan SJB-2. I playing in a rock band (ACDC, Gun's and Roses...)


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 8:15 am
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Aren't you happy you did not buy active pickups?

Toppscore 8)

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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 3:54 pm
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I was thinking that originals pickup were able to work in active and passive mode.
In other forums I have seen other guys put SJB on their jag, so it wasn't so hazardous.

I put back the battery in my bass, it's ok I havn't killed my pickups!
Thanks!


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 5:54 pm
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There actually are very, very few true active pickups. Most active basses and all Fender active basses that I know about use an active preamp and EQ section but the pickups themselves technically are passive, meaning the pickups produce an output without any voltage required. Most active basses have passive pickups with an active EQ section preamp, but for some reason they are commonly referred to as having active pickups.

Certain passive pickups are said to be "tailored" somehow for use with an active preamp/EQ section and are sometimes even called active pickups while technically they are in fact passive pickups since they require no voltage to produce their full output. I personally consider this practice to be mere snake oil to sell you something at an inflated price from which you actually derive very little if any benefit at all. So unless there are power leads to the pickup themselves, the pickups are passive and if they are calling them "active" it is just marketing hype.

EMG and Seymour Duncan for two major makers do offer some truly active pickups. But truly active pickups seldom come stock on any bass and are quite scarce in actual practice. You can install truly active pickups in a passive bass to make it technically an active bass, but typically you will also want an active EQ section when you do this. The battery life for truly active pickups is typically a couple of thousand of hours so you won't go broke buying batteries, but with any active bass keep in mind that anything active is rarely as durable or long-lived as a passive device in the long run. The more complicated something becomes, the more prone to failure it becomes.

While tonal extremes, especially bass boost capability, are a definite plus to an active circuit, one large benefit often overlooked in an active bass is that high capacitance cables have far less of a negative tonal impact. Passive basses sound much brighter with a low capacitance cable such as a Mogami, George L or Canare cable than with the typical $20 and under instrument cable most players use. Meanwhile it is tricky to tell any difference between a garden variety cable and a low capacitance cable with an active. I'm not sure why this happens, but it it is easy to A/B passive and active basses using both standard guitar cables and low capacitance cables so you can see for yourself.


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu Sep 06, 2012 11:44 pm
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brotherdave wrote:
There actually are very, very few true active pickups. Most active basses and all Fender active basses that I know about use an active preamp and EQ section but the pickups themselves technically are passive, meaning the pickups produce an output without any voltage required. Most active basses have passive pickups with an active EQ section preamp, but for some reason they are commonly referred to as having active pickups.

Certain passive pickups are said to be "tailored" somehow for use with an active preamp/EQ section and are sometimes even called active pickups while technically they are in fact passive pickups since they require no voltage to produce their full output. I personally consider this practice to be mere snake oil to sell you something at an inflated price from which you actually derive very little if any benefit at all. So unless there are power leads to the pickup themselves, the pickups are passive and if they are calling them "active" it is just marketing hype.

EMG and Seymour Duncan for two major makers do offer some truly active pickups. But truly active pickups seldom come stock on any bass and are quite scarce in actual practice. You can install truly active pickups in a passive bass to make it technically an active bass, but typically you will also want an active EQ section when you do this. The battery life for truly active pickups is typically a couple of thousand of hours so you won't go broke buying batteries, but with any active bass keep in mind that anything active is rarely as durable or long-lived as a passive device in the long run. The more complicated something becomes, the more prone to failure it becomes.

While tonal extremes, especially bass boost capability, are a definite plus to an active circuit, one large benefit often overlooked in an active bass is that high capacitance cables have far less of a negative tonal impact. Passive basses sound much brighter with a low capacitance cable such as a Mogami, George L or Canare cable than with the typical $20 and under instrument cable most players use. Meanwhile it is tricky to tell any difference between a garden variety cable and a low capacitance cable with an active. I'm not sure why this happens, but it it is easy to A/B passive and active basses using both standard guitar cables and low capacitance cables so you can see for yourself.



Given a choice, with all of your experiences, which is your choice?
building or choosing a bass guitar
1) keep it passive
2) make it with active pickups
3) make it with active electronics
4) make it with active electronics and active pickups (multiple batteries needed)

Remember, this is your dream bass as you visualize it today,
and batteries will last 2000 hours.

Toppscore :)

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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Fri Sep 07, 2012 5:06 am
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Toppscore wrote:
Given a choice, with all of your experiences, which is your choice?
building or choosing a bass guitar
1) keep it passive
2) make it with active pickups
3) make it with active electronics
4) make it with active electronics and active pickups (multiple batteries needed)

Remember, this is your dream bass as you visualize it today,
and batteries will last 2000 hours.

Toppscore :)[/b]


PASSIVE is always my first choice. I personally prefer a passive bass for about everything. Something has to literally scream that an active tone is required. I have a high quality active bass but I don't use it much. Love the way it plays though. I just prefer passive tones.

When I look back at my major influences, listen to my favorite recorded music of all time including today's newer stuff and watch my favored players of today live they are all playing passive most of the time except two or three of them. It frankly is easier to name players using an active bass full time that I admire as that is a much shorter list.


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Fri Sep 07, 2012 6:49 am
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brotherdave wrote:
Toppscore wrote:

Given a choice, with all of your experiences, which is your choice?
building or choosing a bass guitar
1) keep it passive
2) make it with active pickups
3) make it with active electronics
4) make it with active electronics and active pickups (multiple batteries needed)

Remember, this is your dream bass as you visualize it today,
and batteries will last 2000 hours.

Toppscore :)


PASSIVE is always my first choice. I personally prefer a passive bass for about everything. Something has to literally scream that an active tone is required. I have a high quality active bass but I don't use it much. Love the way it plays though. I just prefer passive tones.

When I look back at my major influences, listen to my favorite recorded music of all time including today's newer stuff and watch my favored players of today live they are all playing passive most of the time except two or three of them. It frankly is easier to name players using an active bass full time that I admire as that is a much shorter list.



Thanks.
Can an active electronics bass or active electronics guitar continue to play/sound
well/good with their passive pickups, after the battery is dead or pulled?

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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Fri Apr 18, 2014 8:31 am
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I have installed a set of sjb-1 and I think the reverse wound / reverse polarity to cancel hum doesn't match with the circuitry of the bass...
What do you think?


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Wed Apr 23, 2014 2:14 pm
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In reading this --- I had a first year Jaguar bass with the red on red (HS) and used it at gigs and at rocket launches. The bass sounded great in both active and passive mode. No noise or hum or anything. I wonder why you would want to change the pickups? There are so many variations in sound one can come up with for that bass with all the switches and knobs- not to mention doing like a lot of people do and change strings from one brand to another- there's just a whole 'nuther plethera of sounds with that bass. AND let's not forget amp settings. ...I'm just curious. :)


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Post subject: Re: Jaguar Bass (fender) Active electronics or active pickup
Posted: Thu May 01, 2014 4:04 pm
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stroker vance wrote:
In reading this --- I had a first year Jaguar bass with the red on red (HS) and used it at gigs and at rocket launches. The bass sounded great in both active and passive mode. No noise or hum or anything. I wonder why you would want to change the pickups? There are so many variations in sound one can come up with for that bass with all the switches and knobs- not to mention doing like a lot of people do and change strings from one brand to another- there's just a whole 'nuther plethera of sounds with that bass. AND let's not forget amp settings. ...I'm just curious. :)


Very good point. On this instrument a pickup upgrade would be an improvement in Passive mode for sure though.

Toppscore asked about pulling the battery or having a dead battery and wondering if the bass would still work passively. Only certain active basses will do this, the Jaguar for one. As a general rule if the instrument has a passive/active switch then yes it would work without battery power. Any active bass or guitar without an active/passive switch becomes a paperweight without power though. Some models with a passive/active switch have no control whatsoever in passive mode while others will have the typical treble bleed function of a passive bass. Passive/active switches and tone controls that work in passive or active mode add cost and complexity to an instrument but can be found in some models and almost always are the most expensive instruments in a brand's line or are custom made or have been modified by someone skilled at that.

There is a great page about passive and active instruments on this site HERE:
http://www.fender.com/news/passive-and-active-electronics/
That page details all Fender's various active basses and guitars and lists those that are active only and also those that are active/passive. It is a good quick read and highly recommended on this topic.


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