[navin]

Originally Posted by TheOne®

Hope to see you again soon. I heard you had a great time in India.

Sam always does this. He invites his friends when I am not around, I am begining to suspect something...

Originally Posted by Sam Kapasi

Now to think of an excuse to drag him back here...Sir Andrew, bring on the knowledge.

maybe he'll come back to give us lessons!

[TheOne®]

Originally Posted by navin

maybe he'll come back to give us lessons!

Andy is great in giving lessons, believe me.

The very first time I met him Harman had appointed me his translator for the training sessions with the promotors at IFA 2007. I was absolutely nervous because even though my English is very good I wasn't familiar with all the car audio and all the technical terms (just started at Harman 3-4 weeks before). So I went through all kinds of papers, catalogues and specification sheets to have some idea what to expect - just imagine I am to translate something and don't have a clue what it is about lol.

Anyways, Andy did such a brilliant job that I hardly had to translate at all AND understood all the technical aspects and differences between the products and systems myself. Something I thought to be impossible!

[navin]

Originally Posted by TheOne®

Something I thought to be impossible!

Dont worry TheOne, a few of my posts and I'll undo all what Andy's done!

[muneemmk]

Still some 75.4 available in the grey for about 12K so would it be better to go for a 75.4 or 1004 , what say ? which would be a better SQ amplifier ?

[panky12345]

75.4's official price was 13K. so how come 12K in grey? law of demand applied in luxury?

[govigov]

"""The GTO1004 is 4 X 100W, each channel at 4 ohms.

It is 4 X 150W, each channel at 2 ohms.

Bridged, it is 280W X2, each channel at 4 ohms."""

sorry for bumping an old thread... but i would like to know the answer to the value -

bridged it is abcW x2, each channel at 2 ohms.

what is abc? is it 560?

i am looking for picking one up to match the velcoity vxs12 which 1500W/500W rms DVC with 2ohms per coil.

[karankapoor]

most of the amp when bridged are stable at 4 Ω so its 280 wrms x 2 @4Ω.

edit: as for the sub rated 500 wrms this will be a good bet @4 Ω

[govigov]

but how do i wire the damn thing? i need to wire the sub in series to get 4ohms. but how to get close to 500wrms from the amp at 4 ohms?

[abhibh]

Originally Posted by govigov

but how do i wire the damn thing? i need to wire the sub in series to get 4ohms. but how to get close to 500wrms from the amp at 4 ohms?

The amp is 320W RMS @ 4 ohm BRIDGED.

Well you cannot until and unless the amp is stable in bridge mode at 2 ohm.

Are you running any speakers from the amp ?

[karankapoor]

Originally Posted by govigov

but how do i wire the damn thing? i need to wire the sub in series to get 4ohms. but how to get close to 500wrms from the amp at 4 ohms?

well you can't if you are using other 2 channels of the amp.
if you can give all the 4 channels to the sub then yes

[govigov]

have another amp for speakers. just looking to power all the four channels of the 1004 to the sub. the thing is its a DVC at 2 ohms per coil. if i bridge channels 1&2 and channels 3&4 seperately to run the 2 coils, the question i am confused with is :

1. what power can i expect from channels 1&2, 3&4 @ 2 ohm each ? (both must be the same obviously)

2. the amp should be stable at 2 ohms. if not can i make this amp to work @ 2 ohms, can i bridge all the four channels together (am i asking something stupid here?) to power the sub in series at 4 ohms? if so what is the power?

[abhibh]

Originally Posted by govigov

have another amp for speakers. just looking to power all the four channels of the 1004 to the sub. the thing is its a DVC at 2 ohms per coil. if i bridge channels 1&2 and channels 3&4 seperately to run the 2 coils, the question i am confused with is :

1. what power can i expect from channels 1&2, 3&4 @ 2 ohm each ? (both must be the same obviously)

2. the amp should be stable at 2 ohms. if not can i make this amp to work @ 2 ohms, can i bridge all the four channels together (am i asking something stupid here?) to power the sub in series at 4 ohms? if so what is the power?

Well I don't think the amp is stable at 2 OHM bridged. So you can not feed more than 320W RMS rated.

[govigov]

just found out that for stereo operations, the amp is stable at 2 ohms, but for bridged it has to be at 4 ohm, i.e that amp is not stable at 2 ohms bridged. i did not know that for bridged and stereo mode that the impedances are different.

(what abhib said is very very true)
sadly i dont think this amp will serve my purpose. had got a good bargain on it though.

[nitinralli]

One small question in this regards. When 1004 is bridged for running front comps and a Sub, what is the RMS which the each comps would be getting and what would be the RMS Sub would be getting??

[nitrous]

For the comps: 100@ 4 ohms & 150 @ 2 ohms
For the sub : 320W RMS @ 4 ohms