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12-14-2012, 07:37 AM
|  | Registered User | | Join Date: Mar 2004 Location: NEW YORK | | | Just ordered the JDI. Have the J48 but was reading here about passive and active. Although I have not had a problem with the active in the J48 but I want to see the difference with the JDI.I like the DI's. Is it the best? Not saying it is but when on a gig sometimes the sound company has these little cheapo's. I think the redials have a nice clean sound and much better than many. For the price they are an excellent buy. I recorded with it as well as with many others. I have an old aguilar tube DI which is nice also. But there really isn't much difference in tone when eq'd. By the way Anthony Jackson some years ago here recommended the J48. I respect his ears to the max. He is so high end with stuff like this. Would he recommend something else now? Who knows but all in all its an excellent DI and you can't go wrong with it.
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Alleva Coppolo - Sadowsky
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Last edited by Bassist30 : 12-14-2012 at 07:39 AM.
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12-14-2012, 10:20 AM
|  | Hip No Ties | | Join Date: Apr 2004 Location: New York, NY | | Quote:
Originally Posted by Rip Topaz  My main bass is an MIA P-bass (passive). When I play without an amp I use Jamup iOS (iPhone 4S running through Irig (soon to be Apogee Jam), then out of the 1/8" headphone jack into the DI.
There are times where I'll run the bass direct without the amp sims, but mostly I'll be using the iOS rig.
So it IS a passive bass, but I'm not sure if it still would be considered passive after running through the preamp on the iPhone. | No experience here using any of the iPhone apps. But I have a hard time believing that whatever additional current an iPhone might add to your signal could in any way be equivalent to the current of an actual preamp. 
MM
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12-14-2012, 10:50 AM
| | Registered User | | Join Date: Sep 2003 Location: Newcastle, UK | | | I understand the impedance issues that can lead to high end loss in a passive bass > passive DI situation. What are the issues with running active > active though?
Thanks.
Jack (who doesn't have a horse in this race because of his MXR M80 and amp DI)
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Jack
EBMM Stingray 5, EBMM Stingray 4, Fender MIA P : GK MB Fusion, Barefaced Midget + Compact
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12-14-2012, 10:50 AM
|  | Registered User | | Join Date: Aug 2005 Location: Willow Street, PA | | Quote: |
Originally Posted by MysticMichael
No experience here using any of the iPhone apps. But I have a hard time believing that whatever additional current an iPhone might add to your signal could in any way be equivalent to the current of an actual preamp.
MM | And that's what I'm wondering. Radial makes a DI box especially for iPads/laptops (JVC), but I don't think it can be used with just a bass plugged in (no iPhone). I need both, just in case. |
12-14-2012, 10:51 AM
| | Registered User | | Join Date: May 2007 Location: Philadelphia | | Quote:
Originally Posted by MysticMichael No experience here using any of the iPhone apps. But I have a hard time believing that whatever additional current an iPhone might add to your signal could in any way be equivalent to the current of an actual preamp.
MM | Consider how powerful some 9V preamps are though. Then consider how loud headphones can get plugged into your phone, and compare that to how loud they would be plugged directly into a passive bass.
I'm not saying the iPhone is "equivalent" to a good active bass pre, I'm just saying it's plenty cover the impedance changes needed to negate the high-end loss associated with a passive DI.
If I were going the iRig rout though, I would probably rock a ProAV1. |
12-14-2012, 10:56 AM
| | Registered User | | Join Date: Sep 2003 Location: Newcastle, UK | | Quote:
Originally Posted by Rip Topaz And that's what I'm wondering. Radial makes a DI box especially for iPads/laptops (JVC), but I don't think it can be used with just a bass plugged in (no iPhone). I need both, just in case. | A little mixer like the home recording kind would give you line, instrument and 1/8" stereo inputs. It seems like all I do is recommend mixers on here, but they can be really useful tools to own.
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EBMM Stingray 5, EBMM Stingray 4, Fender MIA P : GK MB Fusion, Barefaced Midget + Compact
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12-14-2012, 10:57 AM
| | Registered User | | Join Date: May 2007 Location: Philadelphia | | Quote:
Originally Posted by Rip Topaz And that's what I'm wondering. Radial makes a DI box especially for iPads/laptops (JVC), but I don't think it can be used with just a bass plugged in (no iPhone). I need both, just in case. | The JPC is nice, but you literally have the output of a headphone amp, even if it is just the one in your iPhone. As I said, I would recommend the ProAV1 based on the fact that it properly sums the stereo headphone out of your phone to mono. |
12-14-2012, 11:09 AM
| | Hip No Ties | | Join Date: Apr 2004 Location: New York, NY | | Quote:
Originally Posted by Jack I understand the impedance issues that can lead to high end loss in a passive bass > passive DI situation. What are the issues with running active > active though? | AFAIK, the main issue would be noise. Anytime you add an active circuit to your signal, there is always that potential. And adding a second active circuit just compounds the matter.
I say "potential", because it doesn't necessarily have to happen - and with solid, professional-quality components such as the Radial units, it won't. Main advantage is that by going active-active, you might obtain a little bit of extra headroom - but then again, maybe not enough to notice.
MM
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12-14-2012, 11:34 AM
| | Registered User | | Join Date: Aug 2005 Location: Willow Street, PA | | Quote: |
Originally Posted by Mingus Addict
The JPC is nice, but you literally have the output of a headphone amp, even if it is just the one in your iPhone. As I said, I would recommend the ProAV1 based on the fact that it properly sums the stereo headphone out of your phone to mono.
| From the looks of it, the ProAV1 will probably do exactly what I need. |
12-15-2012, 07:26 AM
|  | Registered User | | Join Date: Nov 2006 Location: London, Ontario, Canada | | Quote:
Originally Posted by MysticMichael AFAIK, the main issue would be noise. Anytime you add an active circuit to your signal, there is always that potential. And adding a second active circuit just compounds the matter.
I say "potential", because it doesn't necessarily have to happen - and with solid, professional-quality components such as the Radial units, it won't. Main advantage is that by going active-active, you might obtain a little bit of extra headroom - but then again, maybe not enough to notice. MM | Another, is fidelity. Years ago, an engineer friend pointed me to the specs for the Jensen xformer used in the JDI, and it's pretty ridiculous. As close to zero percent deviation from flat as you can get, on every spec.
Not so sure about headroom with active DI's, either, unless you're talking something spendy, like a JVI... |
12-17-2012, 10:24 AM
| | Registered User | | Join Date: Mar 2004 Location: NEW YORK | | Quote:
Originally Posted by steve_rolfeca Another, is fidelity. Years ago, an engineer friend pointed me to the specs for the Jensen xformer used in the JDI, and it's pretty ridiculous. As close to zero percent deviation from flat as you can get, on every spec.
Not so sure about headroom with active DI's, either, unless you're talking something spendy, like a JVI... | Best price DI for the money. I am not knocking the expensive DI's. I just feel people are paying for the coloration it gives and Im not saying thats bad either. But for the price you are getting a very impressive flat sounding DI. If that's what your looking for than the Radial is a good buy.
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Alleva Coppolo - Sadowsky
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12-17-2012, 11:20 AM
|  | Registered User | | Join Date: Dec 2003 Location: Columbia River Gorge, WA. | | Quote:
Originally Posted by steve_rolfeca Another, is fidelity. Years ago, an engineer friend pointed me to the specs for the Jensen xformer used in the JDI, and it's pretty ridiculous. As close to zero percent deviation from flat as you can get, on every spec. | Jensen finally now sells complete direct boxes in both single and two channel formats too, FWIW.
Last edited by Passinwind : 12-17-2012 at 11:39 AM.
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12-20-2012, 08:48 PM
| | Registered User | | Join Date: Mar 2004 Location: NEW YORK | | | Got my JDI today and i can see right away the difference using a active bass compared to the J48. Although you can use the -15DB on the j48 still its sounds better coming out of the JDI.
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"Imagination is more important than knowledge"
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Alleva Coppolo - Sadowsky
Alleva Coppolo club member #3
Thunderfunk Member #8
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12-21-2012, 01:55 AM
|  | Registered User
Endorsing Artist: Mojohand, Subdecay, Overwater, Matamp | | Join Date: Jun 2001 Location: Manchester, UK | | Everything sounds good with a JDI 
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Originally Posted by Toasted It's really easy to post quickly up here from my pedestal. | |
12-21-2012, 06:33 AM
| | Registered User | | Join Date: May 2007 Location: Philadelphia | | If anyone is interested in a really well designed Jensen equipped DI at a bargain price this one looks great: http://www.lbpinc.com/DI.html
The jack configuration is more geared towards convenience for sound people, and may not compliment everyones pedalboard ideally.
I'm in no way affiliated with this guy btw... |
12-21-2012, 06:43 AM
| | Registered User | | Join Date: Aug 2005 Location: Willow Street, PA | | Quote:
Originally Posted by Mingus Addict If anyone is interested in a really well designed Jensen equipped DI at a bargain price this one looks great: http://www.lbpinc.com/DI.html
The jack configuration is more geared towards convenience for sound people, and may not compliment everyones pedalboard ideally.
I'm in no way affiliated with this guy btw... | Sounds interesting. I wish the site was a little better. |
12-21-2012, 06:49 AM
| | Registered User | | Join Date: May 2007 Location: Philadelphia | | Quote:
Originally Posted by Rip Topaz Sounds interesting. I wish the site was a little better. | Yes I know what you mean, but the guy is a mechanical design consultant who decided to make these on the side, so I forgive the site because I don't think marketing these is his main focus in life. |
12-21-2012, 06:54 AM
| | Registered User | | Join Date: Aug 2005 Location: Willow Street, PA | | Quote:
Originally Posted by Mingus Addict Yes I know what you mean, but the guy is a mechanical design consultant who decided to make these on the side, so I forgive the site because I don't think marketing these is his main focus in life. | Have you used the DI? |
12-23-2012, 06:43 PM
| | Registered User | | Join Date: Mar 2004 Location: NEW YORK | | | I like clean DI's. Don't you want a clean single first before you eq it?
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"Imagination is more important than knowledge"
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Alleva Coppolo - Sadowsky
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Thunderfunk Member #8
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12-24-2012, 05:17 AM
|  | Registered User
Modulus, Revsound, & A-Designs Artist | | Join Date: Aug 2003 Location: Boston Mass | | Quote:
Originally Posted by Mingus Addict If anyone is interested in a really well designed Jensen equipped DI at a bargain price this one looks great: http://www.lbpinc.com/DI.html
The jack configuration is more geared towards convenience for sound people, and may not compliment everyones pedalboard ideally.
I'm in no way affiliated with this guy btw... | Looks like a nice little no BS - no frills box.
Thanks for sharing.
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