Topping TP20 tripath 2020 amplifier (versus NAD C320BEE)

Following this thread started by Psychotropic, I bought the Topping TP2020 amp and Cambridge Audio S30 speakers. Thank you so much to all the members of this forum for sharing their experiences and valuable advices throughout.

I set it up yesterday at home. I tried playing songs off my Philips DVP 3166 and also off the iPod through the stereo headphone jack. I am not having any DAC. The MP3s that I played off the iPod are of 320 bitrate.
However I am not fully satisfied with the sound quality and sound stage. The same speakers when auditioned at Mumbai (Alliance 4) with a high quality (I guess it was Yamaha) amp, sounded very different. But am not getting the same effect at home :-( At least that is what I felt. Is there a burn in/break in time required for this setup at all? Am I missing something?
 
I have bought T2021 amp with Meanwell 150 W SMPS. Received both items.

Hooked to my FS/wharf 9.1. Used Iphone 3G as source.

Did not see day-night difference compared to my Yamaha 671. Will do extensive 1-to-1 comparison later as dont have Banana plugs to perform quick speaker switching.
 
Hello Vizeta,
How much T2021 cost you? where did you buy it ?How do you compare it with Yamaha when connected to wharf 9.1?


I bought this => "NEW Indeed Class T Amp Tripath TA2021 25WX2 Amplifier improved 20000 Mfd BC Cap"

and a 12 Volt 150 watt Mean Well SMPS for $ 30. Any > 65W can work with this but I thought, in future i may build a Multichannel 2021 amp solution :-)

I have not completed my test with yamaha yet. but in initial test did not find much difference (played FLACs)

Once I complete the test will share the result here.
 
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Have been using TP20 for 10 months now,and recently noticed that one channel volume has dropped, affecting sound stage. Seems that the problem is with the amp, tried the usual tests by interchanging cables etc. Anyone has any suggestions? Will be grateful.
 
Have been using TP20 for 10 months now,and recently noticed that one channel volume has dropped, affecting sound stage. Anyone has any suggestions? Will be grateful.

I would first check the volume pot. If you are comfortable tinkering with electronics, get a multimeter and check the resistance on the two channels at the volume pot terminals. If the two values are different, then that is your problem and you would need to change the volume pot.

Though volume control mis-tracking is a common problem among low-end volume pots, there could be several other reasons why your TP20 is unbalanced. But that would need a proper diagnostic check by an experienced technician.

Good luck.

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EDIT: BTW, my TP20 died completely about a month back. We had a power surge that destroyed the SMPS adapter (and also killed my VOIP modem). But instead of cutting off supply, the burnt SMPS adapter passed on the full 220V to the TP20. I got one heck of a shock when I touched the TP20 to see why it stopped playing - lucky it didn't harm my kids who usually use it. Been planning to open it up and check if I can figure out what got blown inside, but couldn't find the time.

If and when I get around to opening it, I will post some pics.

Cheers.
 
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I would first check the volume pot. If you are comfortable tinkering with electronics, get a multimeter and check the resistance on the two channels at the volume pot terminals. If the two values are different, then that is your problem and you would need to change the volume pot.

Though volume control mis-tracking is a common problem among low-end volume pots, there could be several other reasons why your TP20 is unbalanced. But that would need a proper diagnostic check by an experienced technician.

Good luck.

-----------------------

EDIT: BTW, my TP20 died completely about a month back. We had a power surge that destroyed the SMPS adapter (and also killed my VOIP modem). But instead of cutting off supply, the burnt SMPS adapter passed on the full 220V to the TP20. I got one heck of a shock when I touched the TP20 to see why it stopped playing - lucky it didn't harm my kids who usually use it. Been planning to open it up and check if I can figure out what got blown inside, but couldn't find the time.

If and when I get around to opening it, I will post some pics.

Cheers.

Thanks! Just fiddled with the volume pot- increased it to 3 o'clock and brought it back to 11 o'clock. Wonder of wonders! Soundstage is back!

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I have ordered topping tp20 from china. it is 45 days now and i have not received the item yet.
as per the tracking no provided by the seller, it shows that the product is with Kolkata customs since 26th october. i had paid through paypal and bought it from ebay.
is it my site to clear the customs at kolkata? anybody having the knowledge plaese guide.
and again need cambridge audio S30 speaker. where can i find it now and for what cost?
please guide.
 
I have ordered topping tp20 from china...... it shows that the product is with Kolkata customs since 26th october.

Your item reached Kolkata during Durga Puja time... expect delays in processing. So wait some more days, I guess they have a backlog due the holiday season. Mine was at customs for 8 days (I think) before they cleared it, and then another 5 days before I received it.

You do not have to do anything. They will assess it by themselves, if they decide to impose any import duty, the postman will collect it from you when he delivers the package.

Good luck.
 
Spent most of today's morning on this thread !! I am not sure when was the last time, I patiently read this much :-)

I got this Amp after waiting 49 days for it. Now for the speakers. I like my sound a bit warm and soothing and I listen to most of my music at low volumes.

Could somebody let me know how they describe the sound from the Amp....bright or warm..or neutral perhaps.

I have 2 speakers in mind. The Usher S520 and the Monitor Audio BX2. I am almost set for the Usher but it'd be nice of someone could let me know how they felt about the BX2 with the Amp.

And what is the impact, if any of bi wiring this with the speakers ?
 
1. How big or small is your room?

2. Usher S520 & MA BX2 cost a packet as compared to the 4K Lilliput! AND, both these sound not as good as the JBL C 1. JBL costs 7.5K.

3. TP20 is a neutral amp.

4. Detailed trial reports posted in this thread @ 2 years ago. Had auditioned close to 12 pairs of speakers to marry this Lilliput off.
 
I intend to get a more powerful Amp in say 6-8 months, whenever budget allows for it. For now, as a start this would be fine. But I have the budget for speakers now. By the evening, I would have auditioned the Ushers, BX2s and the C 1s. Lets see.
 
1. How big or small is your room?

2. Usher S520 & MA BX2 cost a packet as compared to the 4K Lilliput! AND, both these sound not as good as the JBL C 1. JBL costs 7.5K.

3. TP20 is a neutral amp.

4. Detailed trial reports posted in this thread @ 2 years ago. Had auditioned close to 12 pairs of speakers to marry this Lilliput off.

Agree completely. Been using this combo and its great!

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My Topping+JBL Control 1 setup - budget setup, fantastic sound!
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Once you relocate, try keeping the speakers at or slightly above the ear level, by placing them on high wooden shelves / stands / loft ... with a slight tilt, by putting some support on the speaker rear portion, with a slight toe-in too. The SQ would be sweeter and more involving. Its tried and tested now at my place!
 
I am seriously contemplating dumping everything other than this combo for its sound...

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