A
The 4-channel monster
tl;dr : The speaker output wiring is a bit quirky. Lots of gain, possibly not good for sensitive speakers in a smaller room.
I bought this amplifier to have a single amplifier unit to drive a bi-amped passive 2-way speaker setup. The amplifier was driven by a dbx DriveRack PA² (EQ, crossover, driver alignment delay). The only drawback in this application was excessive amplifier gain for the little Black Pearls, since this particular audio setup was not to be played loud. However, another pair of speakers (Radiotehnika S-400 4-way monsters) were perfect to be driven by this amp with both amplifier pairs in bridge mode.
The blowers are audible in a quiet room, but then again, this amp is most likely intended to make the speakers loud before the fans really spin up. Another nice thing is that the automagic stand-by function can be switched off.
It's heavy, too. The case design is such that the amp can be set down on an even hard surface on any of its sides without damage to controls or connectors. Gain controls feel good with a little dampening and have detents.
ATTENTION! Since the observation below is not documented in the manuals, please check the output wiring of your amp before connecting any speakers with any methods not described in the manual! There may be changes between board revisions as products are improved!
So far the only inconsistency between the user manual and the actual device I got is the speaker output connectors. The pairs in them are not connected in parallel as the manual loosely suggests, but are connected so that the second pair (2+, 2-) on ch 1 output matches the first pair (1+, 1-) of ch 2 output. The second pair of ch 2 is left open. (This is actually what I was initially expecting this kind of amp to have!)
This means that you don't need a silly Y-cable for connecting a speaker to a bridged amp as specified in the manual, but connecting the 1+ and 2+ contacts of an odd-numbered speaker output to the speaker's + and - does the trick. Also bi-amping a speaker with dual inputs is easy with just one NL4 SpeakON plug carrying both pairs out of the amplifier.
The same applies to the 3-4 channel pair with the exception that on the ch 3 output connector 2- is connected to 2+ instead of the ground with the other 1- and 2- contacts. This means that both grounds (or "negatives") for bi-amping on ch 3 need to be connected together to 1- instead.
The performance for such a low price tag is great, but you can expect some little quirks like this to come with it.
I bought this amplifier to have a single amplifier unit to drive a bi-amped passive 2-way speaker setup. The amplifier was driven by a dbx DriveRack PA² (EQ, crossover, driver alignment delay). The only drawback in this application was excessive amplifier gain for the little Black Pearls, since this particular audio setup was not to be played loud. However, another pair of speakers (Radiotehnika S-400 4-way monsters) were perfect to be driven by this amp with both amplifier pairs in bridge mode.
The blowers are audible in a quiet room, but then again, this amp is most likely intended to make the speakers loud before the fans really spin up. Another nice thing is that the automagic stand-by function can be switched off.
It's heavy, too. The case design is such that the amp can be set down on an even hard surface on any of its sides without damage to controls or connectors. Gain controls feel good with a little dampening and have detents.
ATTENTION! Since the observation below is not documented in the manuals, please check the output wiring of your amp before connecting any speakers with any methods not described in the manual! There may be changes between board revisions as products are improved!
So far the only inconsistency between the user manual and the actual device I got is the speaker output connectors. The pairs in them are not connected in parallel as the manual loosely suggests, but are connected so that the second pair (2+, 2-) on ch 1 output matches the first pair (1+, 1-) of ch 2 output. The second pair of ch 2 is left open. (This is actually what I was initially expecting this kind of amp to have!)
This means that you don't need a silly Y-cable for connecting a speaker to a bridged amp as specified in the manual, but connecting the 1+ and 2+ contacts of an odd-numbered speaker output to the speaker's + and - does the trick. Also bi-amping a speaker with dual inputs is easy with just one NL4 SpeakON plug carrying both pairs out of the amplifier.
The same applies to the 3-4 channel pair with the exception that on the ch 3 output connector 2- is connected to 2+ instead of the ground with the other 1- and 2- contacts. This means that both grounds (or "negatives") for bi-amping on ch 3 need to be connected together to 1- instead.
The performance for such a low price tag is great, but you can expect some little quirks like this to come with it.
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M
very good for their price
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S
the t.amp E4-130
Good quality and fast delivery. Fully satisfied with the product.
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S
Perfect
Perfect amp for small bar sound system! Fair price and quality ratio! Sounds great for background music with t.box CL 108 speakers in 60sq.meters area! Great feature is auto turn off so when bar closes you don't need to worry about your sound system, because it turns off automatically and saves electricity power. Also great feature is 4 channels in only 2 Units rack space. Recommend for similar instalations!
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S
Nice spare amp
This is great option for a spare amp or for something like an outside bar/seating area.
The unit is a little noisy for what it pushes out but you don't hear it much if its in the same room as the music.
Auto off function is a nice touch so your not using more power for no reason.
Cant really fault it considering what it costs.
The unit is a little noisy for what it pushes out but you don't hear it much if its in the same room as the music.
Auto off function is a nice touch so your not using more power for no reason.
Cant really fault it considering what it costs.
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P
Great amp
Have installed 2 of these to replace Lab Gruppens and fund the performance to be similar. Very reliable
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LC
Best Budget System Top Class
Installed this amp in my local bar for D.J. use and relaying audio for the big screen and tv's simple straightforward setup and the quality is brilliant would have no hesitations in recommending this amp.
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A
Excellent Value
This was purchased for driving various speakers at an in-the-round theatre. It is a bit heavy, but who cares when installed in a rack? Probably a traditional (therefore more reliable?) power supply rather than a switched mode type.
Sound is good, with little background noise (no hum and very low inherent noise level), there is great flexibility with bridge switching and common inputs if required and for the money, I feel I'd have been very hard pushed to beat this excellent bit of kit.
Well done Thomann, who also got it to me VERY quickly, despite it being described as being "on a 2-5 days delay" for delivery on the website.
Sound is good, with little background noise (no hum and very low inherent noise level), there is great flexibility with bridge switching and common inputs if required and for the money, I feel I'd have been very hard pushed to beat this excellent bit of kit.
Well done Thomann, who also got it to me VERY quickly, despite it being described as being "on a 2-5 days delay" for delivery on the website.
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A
Seems very reliable.
I?ve got several of these powering Achat 104 and 204 speakers in an install. They have b n there nearly a year I?ve had no problems with them.
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DE
Good Value for Money Amp !!
Good Value for money amp have placed a few into Bar and Club Installs as fill in application and main drivers in a smaller venue with no problems they give good sound across the range with plenty of punch even as main amp. Will Buy Again! !
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