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Alev Tav
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Scythe KroCraft Speakers Audition 31 Oct 2009 Alev Tav Oct 27th, 09, 06:41 PM #1 (permalink)
Confirmed Details
Location: Burlington Square
Date/Time: 2009 Oct 31, Saturday 2pm to 5pm

Please feel free to bring your own sources/amps/DAC to try out the speakers
Showroom/Service Center at #01-37 Burlington Square
Please call for appointment at least 2hrs in advance, hotline: 64583523
Distributor for
Century, Gelid, Scythe, Verudium
Contact details at http://www.alevtav.com
 
Last edited by Alev Tav; Oct 30th, 09 at 01:25 PM..
wwenze
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wwenze Oct 27th, 09, 06:49 PM #2 (permalink)
Today is 2009 Oct 27
 
Thanks to wwenze for this useful post! Oct 27th, 09, from Alev Tav
tabako
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tabako Oct 27th, 09, 07:22 PM #3 (permalink)
LOL ya lor, you post too late.

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Alev Tav
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Alev Tav Oct 27th, 09, 07:24 PM #4 (permalink)
Thanks for pointing out the error, it should be 31st Saturday.
Showroom/Service Center at #01-37 Burlington Square
Please call for appointment at least 2hrs in advance, hotline: 64583523
Distributor for
Century, Gelid, Scythe, Verudium
Contact details at http://www.alevtav.com
 
Ar3s
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Ar3s Oct 27th, 09, 08:19 PM #5 (permalink)
So i can go listen, and after the test purchase straight away or must come back and wait for the MO (weird)
 
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AsuraN Oct 27th, 09, 08:31 PM #6 (permalink)
me keen~

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wwenze
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wwenze Oct 27th, 09, 10:42 PM #7 (permalink)
Quote:
Originally Posted by Ar3s View Post
So i can go listen, and after the test purchase straight away or must come back and wait for the MO (weird)
MO is for newer version amp, Alev Tav currently has older version, correct me if I'm wrong.
 
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naro Oct 28th, 09, 10:49 AM #8 (permalink)
hey alev tav, the audition and the $125 bundle deal is for the speakers and SDA-1000 amp?

whats the difference between the SDA-1000 and SDA-1100 amp??
 
tensor
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tensor Oct 28th, 09, 10:54 AM #9 (permalink)
a quick analysis of the peektures.
the difference between both the units is just that SDA-1100 has a better looking casing and case feets.

Imho, its definately worth the extra for a better looking case.

anyway anyone game to modify their scythe amp to 20Watts.
Its a simple matter of modifying some wiring nia.


the system gain can also be adjusted.
testing?
 
wwenze
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wwenze Oct 28th, 09, 11:25 AM #10 (permalink)
The insides are different:

SDA-1000


SDA-1100


SDA-1100 has better layout and components IMHO.

Don't be misled by just them using the same chips, so many T-Amps using the same chip but so different performance. And manufacturors usually quote component specs hence every spec is the same and higher than in real life.

In the same vein, I can't believe this thing to be 10wpc - probably max output at high levels of distortion and 4 ohms. If they bundle a 20W PSU maybe I can believe. Real decent output power at different voltages can be found in the datasheet.

BTW, @tensor: The wiring shown appears to be paralleling the 2 channels rather than bridging, which improves performance for low impedance load but does not increase power output if you never change your speaker from 8 ohm to 4 ohm.

From the datasheet can also see that this thing can't drive 4 ohm speakers unless you parallel the channels. Not a good indication of performance.

Also, adjusting gain does not increase max output.
 
tensor
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tensor Oct 28th, 09, 11:35 AM #11 (permalink)
err... dont think i mentioned adjusting gain to increase max outout wor..
What i wanna to achieve is reduce the overall gain on the amp.

yes modification is specifically mentioned in the cct for a 20W x 1Ch to 4ohm spk.
psu aint a biggie, since the psu will be swapped with a better unit

The main idea is to push the chip's capability.
testing?
 
Last edited by tensor; Oct 28th, 09 at 11:41 AM..
wwenze
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wwenze Oct 28th, 09, 11:44 AM #12 (permalink)
Quote:
Originally Posted by tensor View Post
err... dont think i mentioned adjusting gain to increase max outout wor..
What i wanna to achieve is reduce the overall gain on the amp.

yes modification is specifically mentioned in the cct for a 20W x 1Ch to 4ohm spk.
psu aint a biggie, since the psu will be swapped with a better unit
Then paiseh for misunderstanding.

On thing puzzles me though... how can a 12V amp produce 20W of output into 4 ohms? (see theory here)
 
tensor
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tensor Oct 28th, 09, 12:16 PM #13 (permalink)
hmmz just note on the difference between Tripath and Yahama's Digital Amp.
1. T-Amp uses a "special" algorithm to process the audio signal
2. It need a Low-Pass Filter on its output. <- guess that one of the reason y there's large differences on how each brand sounds, iirc designers can even choose different drivers.

It kinda interesting how well does the yamaha chip performs since it doesnt require such filters
testing?
 
Alev Tav
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Alev Tav Oct 28th, 09, 12:31 PM #14 (permalink)
Quote:
Originally Posted by naro View Post
hey alev tav, the audition and the $125 bundle deal is for the speakers and SDA-1000 amp?
Yes.

Quote:
whats the difference between the SDA-1000 and SDA-1100 amp??
The SDA-1100 has a slightly different internal layout and better looking exterior.
Showroom/Service Center at #01-37 Burlington Square
Please call for appointment at least 2hrs in advance, hotline: 64583523
Distributor for
Century, Gelid, Scythe, Verudium
Contact details at http://www.alevtav.com
 
Alev Tav
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Alev Tav Oct 28th, 09, 12:33 PM #15 (permalink)
Quote:
Originally Posted by wwenze View Post
The insides are different:

SDA-1000

This appears to be a very early revision. The SDA-1000 looks much more similar to the SDA-1100.
Showroom/Service Center at #01-37 Burlington Square
Please call for appointment at least 2hrs in advance, hotline: 64583523
Distributor for
Century, Gelid, Scythe, Verudium
Contact details at http://www.alevtav.com
 
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