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Old 6th November 2005, 11:38   #226
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yes i agree with you pranil. These guys in sector 17 do a **** job of installation. No matter how good car audio you buy, they spoil the whole fun of it by installing it badly. I have had a few bad experiences with them

guess i have to go to the city.
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Old 7th November 2005, 10:09   #227
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That valve stuff would be cool in the car. Panasonic had some tube stuff in a Swift at Bangalore's Vaahan Yatra. Sam and I saw it.
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Old 7th November 2005, 10:41   #228
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i'm told the tube in the panny was a dummy.
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Old 7th November 2005, 10:45   #229
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How low can they stoop to cheat people?
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Old 7th November 2005, 10:53   #230
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they state that publically i'm told.
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Old 7th November 2005, 10:57   #231
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Quote:
Originally Posted by navin
i'm told the tube in the panny was a dummy.
Not true. You have been informed wrongly.

the tube is a "twin triode", it's definitely in the signal path (not just for show), 100 Volts on the plates. It operates as a "cathode follower" ... no voltage gain, more like a "buffer stage". But certainly will add tube "coloration" for those who like that sort of thing ... like me
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Old 7th November 2005, 11:48   #232
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The Tube (triode) in Panasonic CQ-TX5500 is definitely in the circuit as Gunbir has mentioned. The tube is by GE.

One can easily notice the warmth and glow in the sound of the headunit which none of their other units have.

I personally heard the headunit and it is worth every penny. I love the amber illumination and the VU Meters. Immaculate build quality drips from the headunit. The unit is no frills, has bass / treble and plays MP3 (if anyone wants to on this HU). The volume and track selection knobs are made of metal.

Turn on the unit and it says "WARM UP! Please Wait" it flashes for few seconds and after the Tube gets warmed up the Headunit is ready to use.

I was absolutely stuck on the head unit. Ask McLaren

The headunit is fabolous good SQ and it comes in my list of top HU's. Besides McIntosh MX-5000, Clarion HX-D2, Denon DCT-Z1, Nakamichi CD-700II

also on the cards of listening is Kenwood (Model No is secret) and Sound Monitor

P.S. Mclaren can you please post the pics of the HU.

Last edited by Autophile : 7th November 2005 at 11:52.
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Old 7th November 2005, 12:08   #233
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cool any idea what tube it is. 6550?
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Old 7th November 2005, 12:12   #234
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Quote:
Originally Posted by Autophile
I was absolutely stuck on the head unit. Ask McLaren

P.S. Mclaren can you please post the pics of the HU.
haha..stuck on the HU?? what lol he was like i think went asleep in that panasonics swift for nearly an hour and i was like ok here he comes out(after an hour that is)..all that i wanted to do is nick the car obviously with those hot chicks at the panasonic stall..hehe..

btw here are the pics of the HU:










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Old 7th November 2005, 12:14   #235
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Quote:
Originally Posted by navin
JB! you are making me cry! I was thinking of using EL84s too! :-( someone got there first!
Waaaah! Only I was hoping to use 4 per channel in PPP AB1 mode to squeez 35W (a la Beard P100). Class A tube boy it must run hot esp with a TPV of 375. I was looking at a lower TPV to run the tubes cooler.

Would love to see the ckt diagram but that must be top secret right. I would love to know waht output trannies this amp uses.
The plate voltage on a TRU Technology C7.2AT amplifiers is >150 Volts on the preamp tubes and is >350 Volts on the output tubes.

That's enough to seriously injure or possibly kill you if they are tampering with the tubes while the amp is powered up. A typical tube amplifier will typically sound like it has double it's actual rated power and when connected to a pair of efficient transducers can get quit loud.

Most of the tubes that are being used in car amplifiers require more voltage and current than they are being given for optimal performance of the tube.

Will let you know about the trannies but cannot disclose the circuit diagram as it is secret and even I dun have it.

Tube amps tend to sound very warm, words like rich, silky, smooth and robust tend to describe the sound of a well designed tube amplifier.

Solid state amplifiers tend to be described by words like sharp, detailed, accurate, loud and clinically precise.

Some more pics :








Last edited by Autophile : 7th November 2005 at 12:32.
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Old 7th November 2005, 12:38   #236
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Quote:
Originally Posted by navin
cool any idea what tube it is. 6550?
Its called "B Tube" no idea abt part / model no.
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Old 7th November 2005, 23:38   #237
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Just look at the glow in the tubes. Fantastic. Just love it.
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Old 8th November 2005, 11:34   #238
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Vivek

The glow in the tubes results to glowing sound too...
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Old 8th November 2005, 12:19   #239
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ehem, wont bad road be a problem for these type of amps?
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Old 8th November 2005, 12:21   #240
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No JK

Because the cars in which these amps will go generally have very good suspension
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