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Old 16th July 2010, 13:08   #10276
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Originally Posted by sam_sant2005 View Post
... What dealer said is infinity comp at 6.5k and 4 channel jbl amp at 6k.

Can you please tell me what you mean by 'bright' ? ...
OK, that must be the Infinity 6020cs and the JBL 644 amp.

Bright means disproportionately excessive high frequencies. You might have heard systems in the past where one can make out the "chhil-chhil" sound emanating from a car - imagine what is happening inside that car!

Quote:
Originally Posted by cyclops View Post
...
- Can I get rid of my 6x9's, keep the 4"ers up front and add a sub, probably an 8 or 12" one?
- How high can a Sub go? I've currently HPF'd the fronts at around 160-180 I guess.
- Can I LPF the sub at the same freq? Will I lose any frequencies?
- Which kind of enclosure will allow the sub to go as high and low as possible? I personally prefer a sealed one for SQ.
- Which VFM sub is recommended to be added in this setup? And the estimated costs? ...
- Since you are comfortable with what you have, yes, just add a sub. There is a good Polk 8" which you can keep below the front passenger seat. A 12" will occupy a substantial part of your boot. Of course, the 12" will go lower than the 8", so you need to compare before you buy. If you are comfortable with the 8", go for it
- Since you have 6x9 at the back, you should LPF the sub w.r.t. to that, instead of the fronts. That would be around 80Hz
- Listen to a sealed install as well as a ported one to decide which one you like. Ported is definitely for whoever likes their bass a bit boomy, or whoever wants to flaunt the sub in their car
- For VFM ('cheap and best'?) audition JBL and Polk subs, though some shops would want to dump Sony or Pioneer on you

If you are adding the sub, you will really need the damping right now.

Last edited by DerAlte : 16th July 2010 at 13:10.
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Old 16th July 2010, 15:00   #10277
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Hey cyclops,
Please find my answers inline.

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Originally Posted by cyclops View Post
Gurus, Need advice..
My queries are,

- Can I get rid of my 6x9's, keep the 4"ers up front and add a sub, probably an 8 or 12" one?
I'd suggest you retain the 6X9's if you have 4"ers up front. You can band-pass (HPF 80 from HU and LPF ~500 from amp). This'll ensure that they do only the mid-bass duty and don't 'add' much to the front soundstage.

- How high can a Sub go? I've currently HPF'd the fronts at around 160-180 I guess.
That's a good range for 4" coaxials. I'd recommend you don't LPF the sub higher that 120Hz, as it loses out the smoothness.

- Can I LPF the sub at the same freq? Will I lose any frequencies?

- Which kind of enclosure will allow the sub to go as high and low as possible? I personally prefer a sealed one for SQ.
A sealed box will be better

- Which VFM sub is recommended to be added in this setup? And the estimated costs?
Having auditioned JBL, Pioneer, Polk and Blaupunkt, my vote goes with Blaupunkt GTw1200. It's the best VFM sub in my opinion. The 10" variant will cost you around 2.5k. 12" one should be around 3k. But listen before you buy

I do understand the best option would be to add 6.5" components up front and then add a sub for the lows. But as of now I am not looking for that option as it would require much more investments in the drivers and damping.
True. 6.5" components indeed make a lot of difference. After installing DLS 6.5" comps in my Alto, the rear Polk 6X9"ers have been disabled.

Please help with your comments and suggestions.
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Old 17th July 2010, 10:35   #10278
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Default Music Browser in HU

Gurus,

I have seen a 'Music Browser' option in Pioneer 7250SD. Does anyone know what it actually does? Does it allow scrolling through our music content (track by track and even folder by folder) while another track is being played?

My dealer says, even Pioneer 5250SD has this functionality and even most others too!! (I dont trust him). Does the modern day HU's have this option? Iam also looking at FOLDER Up/Down function too while playing a track which ll be quite handy while dealing with USB Drives and SD Cards.

Based on this requirement can you please suggest which is better :- Pioneer 7250SD (Has 'Music Browser' and 'Face Slide' additionally as per website) OR Pioneer 5250SD. Otherwise both those HU's are quite the same.

Thanks
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Old 17th July 2010, 16:52   #10279
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Quote:
Originally Posted by sam_sant2005 View Post
Gurus,

I have seen a 'Music Browser' option in Pioneer 7250SD. Does anyone know what it actually does? Does it allow scrolling through our music content (track by track and even folder by folder) while another track is being played?

My dealer says, even Pioneer 5250SD has this functionality and even most others too!! (I dont trust him). Does the modern day HU's have this option? Iam also looking at FOLDER Up/Down function too while playing a track which ll be quite handy while dealing with USB Drives and SD Cards.

Based on this requirement can you please suggest which is better :- Pioneer 7250SD (Has 'Music Browser' and 'Face Slide' additionally as per website) OR Pioneer 5250SD. Otherwise both those HU's are quite the same.

Thanks
If your talking about the functionality that allows you to control your ipod or other usb device music from the player itself, then I think that is available in all pioneers HU s that allow control for ipod. If you go to the function setting there is also an option that allows you to switch between control from player or control from ipod. If you control from HU, your ipod will be locked.
The search mechanism is a little tedious as you have to scroll through everything. The remote does not give you the option to scroll to an alphabet directly, this can only be done on the HU console (as far as I know). You should be able to scroll while music is playing.
Between the 2009 series and 2010 series, none of the new ones come with a 7 band graphic equalizer. The 5 and 7 series from the 2009 lot are the only ones with a 7 band equalizer and thats why I went in for the 5150 and not one of the new models.
General price differences will be for whether the front tray is motor controlled or manual removal, and whether it comes with Bluetooth.
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Old 17th July 2010, 19:03   #10280
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Quote:
Originally Posted by DerAlte View Post
- Since you are comfortable with what you have, yes, just add a sub. There is a good Polk 8" which you can keep below the front passenger seat. A 12" will occupy a substantial part of your boot. Of course, the 12" will go lower than the 8", so you need to compare before you buy. If you are comfortable with the 8", go for it
Quote:
Originally Posted by thelord View Post
Hey cyclops,
Please find my answers inline.
Thanks for your advice guys..

But I was thinking is it possible to REPLACE my 6x9's with a sub.

Can a sub go as high as 160-180??? I am okay with the vocal clarity provided by my front speakers. And I am thinking of a smaller sub, probably a 8 or 10" variant..
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Old 17th July 2010, 19:10   #10281
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Yes, some subs (you need to refer to their specs) will go as high as 250Hz. But, mid-bass produced by the sub will not integrate well with your front stage. In fact, with 1 sub playing mid-bass in mono will spoil the image. Not advisable.
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Old 18th July 2010, 08:27   #10282
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Gurus,

I visited to one of Alpine shops checking HU for my car. I want to know the practicality and usability for Alpine iDAX 300. It looks good with center knob however, it doesn't comes up with CD drive. I thought the HU was overpricy considering the features available. Whats your opinion on that?

Further, whats the quality difference between Pioneer's and Alpine's.
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Old 20th July 2010, 10:20   #10283
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Hi.

I have a sub that gives out 450 watts RMS and it has a dual 4 ohm voice coil.

I am planning to get the Infinity kappa one that gives out 800 watts RMS at 2 ohms.

Can I power the subwoofer with this amplifier. Will it harm the subwoofer and burn it.

Please advice. Waiting for the reply.
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Old 20th July 2010, 11:09   #10284
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Quote:
Originally Posted by cyclops View Post
Can a sub go as high as 160-180???..
In a car most subs are in the rear while the components are int he front door. Which makes life realy diffcult. Ideally in a car I wuld not XO a sub over 80Hz which means that the front doors need to accomodate components that are 6"+. However in a pinch you can XO a sub as hig as 120Hz if your front components are smaller than 6". With 4" dash mounted speakers there will be a bit of a "hole" but really this hole is les than 1/3 octave so should not be very noticelable.

BTW if you HU has TA then it will help the situation a lot.

Quote:
Originally Posted by Pr_007 View Post
I have a sub that gives out 450 watts RMS and it has a dual 4 ohm voice coil.
I am planning to get the Infinity kappa one that gives out 800 watts RMS at 2 ohms.
Can I power the subwoofer with this amplifier. Will it harm the subwoofer and burn it
Please advice. Waiting for the reply.
I assume 450W rms is both coils driven so 225W per coil.

Even so your subwoofer is more liable to get damaged by beingpushed too low than too hard. Thermal ratings are only a rough guide. Relax and use the amp.
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Old 20th July 2010, 11:36   #10285
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Thanks a lot Navin.

The woofer is a Boston G510-44 that gives out 450 watts RMS to be more clear.
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Old 20th July 2010, 11:41   #10286
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Quote:
Originally Posted by Pr_007 View Post
Thanks a lot Navin.

The woofer is a Boston G510-44 that gives out 450 watts RMS to be more clear.
A woofer puts of db not watts. It absorbs watts. Just use the amp na.
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Old 20th July 2010, 13:09   #10287
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Default Gradual upgrade for a 2006 Civic

Hello Gurus,
I am planning a step by step upgrade for my 2006 Civic.

To begin with I want to change the speakers and tweeters that came with the car. I want to install components in the front but I am getting confusing verdicts from accessory shops.

Is it necessary to install an amplifier for the components to work? And secondly, would I need a sub-woofer for the bass? One accessory shop tells me that the component speakers would not give out any bass, hence I would need a sub.

I don't quite believe this but I would love to hear from you. I also want to change the rear speaker but don't know which ones to go for, components/coaxial's/6x9. Looking for advice here as well.

I don't want to change the head unit of the car but stingy Honda has skipped the AUX-IN for it. I know for fact that the later models came with the same HU but with AUX-IN cable provided. I spoke to one shop in Milan subway and he is quoting INR 5K for it, saying its a genuine Honda accessory.

Honda service centers are unable to help me with this. Looking forward to your replies.

Many thanks
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Old 20th July 2010, 17:41   #10288
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Hello

I have a Wagon-R and i have the following ICE -

HU : JVC KW-XC404 (double din)
Front : JBL GTO 608c components
Back : JBL GTO 947 limited
Amp : JBL GT5 S644

The front and rear speakers are powered by the amp right now.
The Amp gives an output of 220 W - 2 channels bridged. I want to add a Sub this weekend and have zeroed in on the GT5-S12. Planning to power the front compos and the sub from the Amp. Good idea?

Is this a good option and if not what other options do i have? I was thinking of getting a ported box. Would i need to get the hatch door damped? help.
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Old 20th July 2010, 20:05   #10289
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Quote:
Originally Posted by DerAlte View Post
Yes, some subs (you need to refer to their specs) will go as high as 250Hz. But, mid-bass produced by the sub will not integrate well with your front stage. In fact, with 1 sub playing mid-bass in mono will spoil the image. Not advisable.
Quote:
Originally Posted by navin View Post
In a car most subs are in the rear while the components are int he front door. Which makes life realy diffcult. Ideally in a car I wuld not XO a sub over 80Hz which means that the front doors need to accomodate components that are 6"+. However in a pinch you can XO a sub as hig as 120Hz if your front components are smaller than 6". With 4" dash mounted speakers there will be a bit of a "hole" but really this hole is les than 1/3 octave so should not be very noticelable.

BTW if you HU has TA then it will help the situation a lot.
Hmm.. So it seems that I'll have to practically try using a sub to gauge the actual effect.. And my HU doe not have TA..

Now, need to find someone who can lend me a sub for experimenting..
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Old 20th July 2010, 21:05   #10290
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Default Urgent!

Guys a very urgent query.
I have seen the pioneer touch screen head units on the website. Planning to ask relatives to get it. Before ordering it, wanted to confirm if it will fit comfortably into the verna double din slot. Can anyone please confirm if the sizes match?

Pioneer USA - AVH-P4200DVD - In-Dash Double-DIN DVD Multimedia AV Receiver with 7'' Touchscreen Display
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