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[#1] A cheap 'Giant-killer' Int Amp!    
Is it available in HK?

http://www.tnt-audio.com/ampli/t-amp_e.html
http://www.stereotimes.com/
http://www.si-5.com/frontEnd/cm_productDetail.jsp?productID=18

CKKeung
個人訊息 正式會員
219.xxx.xxx.15
2005-04-19 19:10
[#2] A cheap 'Giant-killer' Int Amp!    
Buy online. But you need to mod before it sounds good. Good for DIY hobbyist. Need high efficient speaker.

musimusi
個人訊息 正式會員
219.xxx.xxx.129
2005-04-19 20:44
[#3] A cheap 'Giant-killer' Int Amp!    
I would like to share my recent experience with the T-Amp.

I received my unit a few days ago from the US and modded it by taking out the volume pot, hardwiring everything with 5N silver wire and replacing all of the stock inputs/speaker connectors with cheap but proper female banana and RCA plugs.

I got a 220V -> 12V 2A transformer yesterday and connected the T-amp last night with my most efficient pair of speakers, a pair of Tannoy Reds. I used as input my Ampex tube pre-amp.

Sounded very very big (i.e. a large soundstage), smooth and dynamic, although not as smooth detailed as I would have liked (notably, the ends of the notes ended quite aruptly/were not as long as compared to my other amps).

Hopefully things will improve after run-in. I however am not complaining given the amount of time and money spent on this project and had fun doing the mods.
ant33.33
個人訊息 正式會員
218.xxx.xxx.16
2005-07-28 12:42
[#4] A cheap 'Giant-killer' Int Amp!    
You need to break-in the T-amp for at least 50 hours.

There are people on the internet driving Dynaudio monitors with the T-amp.
soundboy
個人訊息 正式會員
63.xxx.xxx.244
2005-07-28 12:59
[#5] A cheap 'Giant-killer' Int Amp!    
Yes, 50 hours, same as what I read in one of the reviews. I will be doing more listening over the weekend.

Dynaudio monitors, no way! My T-amp even in its modded state had a relatively hard time driving my Spendors with sufficient dynamics/without distortion, that why I eventually connected them to my Tannoys.
ant33.33
個人訊息 正式會員
218.xxx.xxx.16
2005-07-28 13:27
[#6] A cheap 'Giant-killer' Int Amp!    
Hi ant33.33, could you please share with us the difference in sonic performance between the stock t-amp and your modified t-amp? Thanks.
dp
個人訊息 正式會員
203.xxx.xxx.153
2005-07-28 13:39
[#7] A cheap 'Giant-killer' Int Amp!    
Before and after T-amp....from San Mateo (San Francisco) Head-fi.org meeting

soundboy
個人訊息 正式會員
63.xxx.xxx.244
2005-07-28 13:51
[#8] A cheap 'Giant-killer' Int Amp!    
Hi dp,

I actually went straight to mod my T-amp and did not do any comparison beforehand, since I also kept a spare stock unit.

I might be doing a comparison later, but given the limitation of the stock unit (the input and output connectors), it might not a straightforward a/b test with more than 1 variable.


will be doing a comparison later. I will be posting my results.


ant33.33
個人訊息 正式會員
218.xxx.xxx.16
2005-07-28 13:58
[#9] A cheap 'Giant-killer' Int Amp!    
Thanks and looking forward to your review^^
dp
個人訊息 正式會員
203.xxx.xxx.153
2005-07-28 14:00
[#10] A cheap 'Giant-killer' Int Amp!    
Just ordered mine tonight. Need to find speakers to pair up with it.
soundboy
個人訊息 正式會員
63.xxx.xxx.244
2005-07-28 14:01
[#11] A cheap 'Giant-killer' Int Amp!    
I ordered since 19th, still not yet received, and the status still not yet process, good luck to u.
louisla
個人訊息 正式會員
210.xxx.xxx.187
2005-07-28 14:04
[#12] A cheap 'Giant-killer' Int Amp!    
Hi louisla,

How much is the shipping and handling fee to order a T-amp ??
rickymartin
個人訊息 正式會員
202.xxx.xxx.252
2005-07-28 16:35
[#13] A cheap 'Giant-killer' Int Amp!    
Dear Ricky,

FYI. I ordered a new one from ebay this month. The

price of the T-amp is US$29.99 with a shipping

charge of US$13

Still waiting for its arrival.

I plan to modify :

- the input capacitors and resistors

- feedback resistors

- decoupling capacitors

- output inductors, resistors and capacitors

- the volume pot
digitalstereo
個人訊息 正式會員
203.xxx.xxx.37
2005-07-29 16:00
[#14] A cheap 'Giant-killer' Int Amp!    
Hi digitalstereo,

Thanks for your information. This little amp is quite interesting. I am thinking to buy one as a TOY. Sadly, I do not do the modifications.

Anyway, please let me know when you get your T-amp and share with us with your users' comments.

Thanks.
rickymartin
個人訊息 正式會員
202.xxx.xxx.252
2005-07-29 16:04
[#15] A cheap 'Giant-killer' Int Amp!    
Dear Ricky,

Yes, I think this is a good toy for us

Will let you know the progress

Please also let us know you comment on this toy
digitalstereo
個人訊息 正式會員
203.xxx.xxx.37
2005-07-29 16:17
[#16] A cheap 'Giant-killer' Int Amp!    
digitalstereo,

That's a very good price. I am in the US and I can buy the T-amp for US$20.00, but with shipping, it comes to over US$30.00!! So if the T-amp is shipped to HK, that's a good price.

rickeymartin,

Modding the T-amp maybe better, but just run the amp for over 50 hours and enjoy the sound quality.
soundboy
個人訊息 正式會員
63.xxx.xxx.244
2005-07-29 16:22
[#17] A cheap 'Giant-killer' Int Amp!    
Hi soundboy,

What kind of speakers are good match with T-Amp ?
Besides, from the picture, there is only one audio input jack instead of normal 2 RCA plugs.
Should I do some modifications ??
rickymartin
個人訊息 正式會員
202.xxx.xxx.252
2005-07-29 16:31
[#18] A cheap 'Giant-killer' Int Amp!    
rickymartin,

Any speaker with 90 dB sensitivity and 8 ohms should be OK. Don't expect the T-amp to fill a big room with sound.

No mod needed for the inputs. Just buy a left/right RCA to mini jack cable and you're done. You're connecting what to the T-amp?

speaker cable should be 16 Gauge or smaller.
soundboy
個人訊息 正式會員
63.xxx.xxx.244
2005-07-29 16:46
[#19] A cheap 'Giant-killer' Int Amp!    
Thanks soundboy,

Are you planning to modify your T-AMP ??
rickymartin
個人訊息 正式會員
202.xxx.xxx.252
2005-07-29 17:08
[#20] A cheap 'Giant-killer' Int Amp!    
No, not really. I have no mod skills at all, so I will try different things on it. But I don't think I will touch the inside of it.
soundboy
個人訊息 正式會員
63.xxx.xxx.244
2005-07-29 17:22
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