ART T8 8-Channel Transformer Isolator
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Say goodbye to hum with the T8.
High-quality passive audio interface uses 8 transformers to separate input and output signal grounds, isolating 2 systems and reducing hum and ground-loop noise. The T8's audio transformers have flat, wide frequency response and handle high signal levels while maintaining an isolated balanced output. This allows a clean, neutral sound with a wide variety of signal sources. The transformers are wound for 1:1 unity gain and are designed for 600 ohm to 100kOhm impedance. XLR, 1/4", and RCA connections on all inputs and outputs offers connection versatility. Reversible mounting ears allow either the XLRs or the 1/4" and RCA jacks on the front. The T8 fits easily into virtually any audio system and is a clean patch point between all types of systems.
The T8 works great as an interface between a computer-based audio workstation and a monitor system, isolation on long cable runs in a fixed installation, isolation of multiple signal sources from recording equipment, or a safer connection between 2 audio systems. Comes in a road-rugged 19", 1U all-steel black case.
Features
- High-quality passive audio interface
- 8 transformers to separate input and output signal grounds
- Clean, neutral sound with a wide variety of signal sources
- XLR, 1/4", and RCA connections on all inputs and outputs
- Reversible mounting ears
Help yourself to low-noise, flexible connectivity. Put this in your cart!
T8 8-Channel Transformer Isolator Specifications:
- Frequency Response: 10Hz—50kHz, +/-0.5dB @ +4dBu
- THD: 0.01% Typical @ 1kHz, +18dBu, <0.1% @ 100Hz, +24dBu Ref: 0dBu = 0.775VRMS
- Channel Separation 90dB typical
- CMRR: 60dB typical
- Phase Error less than 5%, 20Hz—20kHz
- Insertion Loss: 0.4dB @ 100kOhm Load, 5.5dB @ 600 ohm Load
- Input Connections: XLR female balanced, o" TRS balanced, and RCA type phono jacks
- Output Connection: XLR male balanced, o" TRS balanced, and RCA type phono jacks
- Power Requirements: Totally Passive
- Dimensions: 1.75"H x 19"W x 3.75"D (44.5mm x 482.6mm x 95mm)
- Weight: 3.75 lbs. (1.7kg)
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by PowerReviews(based on 7 reviews)
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Displaying reviews 1-7
Comments about ART T8 8-Channel Transformer Isolator:
I guess first, after reading all of the other reviews, I should say that make sure that you understand what this piece of gear is for before you buy it. It's not for reducing clutter and there is no reason to use this in a recording setup unless you are sending the signal to two different mixers. A tranformer isolated splitter is used for eliminating the ground loop that is created when you try to spit a line level signal sending one signal to the monitor mixer and the other to the front of house mixer. This is the preferred, professional way to set up your sound system.
Using one mixer only, and using the monitor send buss will work, but it is so much better when you run two seperate sound systems; one for the monitor system and one for the mains. If you do this without a transformer isolated splitter you create a ground loop....a real ground loop, not hum!! Hum is caused by other things. A ground loop will "amplify" hum you alrady have in your system. For instance, without the transformer isolated splitter, when you adjust the monitor system you affect the mains and vice versa.
Now for the review. Thank God someone was able to put one of these on the market for a resonable price. This is absolutely the best gear purchase I've ever made. My monitor system sounds great. The band no longer has the worst seat in the house. We can have complete control over how the monitors are mixed right there on stage. No more trying to describe to the sound guy 50 feet out in front of us what we need on stage. Now that I run the monitors system in stereo with 2 monitors per person I got 1000 watts of crystal clear sound with more headroom than I should ever need.
Been using it for two years now with no problems.
Other similar products cost over $500.00.
Comments about ART T8 8-Channel Transformer Isolator:
I have one of these and it works great, but you need some electrical system knowledge. I have a friend who swore this thing was crap. When I took the time to dress the cables and make sure the input side was truely floating then the hum was cancelled and the sound was great. Hum would return when the isolator was removed so I know we didn't 'fix' the problem by redressing the grounds.
Comments about ART T8 8-Channel Transformer Isolator:
I got this to eliminate clutter and allow for instrument plug ins, but due to the lack of a ground lift on any and all inputs, I'm unable to use this for about half of my instruments (electronic drums and keyboard, some guitars). Only two of the inputs are currently in use due to this oversight. Build quality seems good, and it has a pretty low profile, to save quite a bit of room on your rack. Lots of plug in options, too.
Comments about ART T8 8-Channel Transformer Isolator:
Bought one of these to deal with a ground loop in my recording setup. Popped it between my mixer and my interface and the loop noise was cut by 20dB. There was a bit of playing around to get the optimal noise reduction, but that's always the case in these grounding issues. One note is that all of the 1/4" inputs are BALANCED TRS, which means you will need to insert a DI before this unit if you're trying to take input from an unbalanced input (like a keyboard or many low quality mixer outputs).
Comments about ART T8 8-Channel Transformer Isolator:
I Read the information on this product, and was very excited about it. In fact I bought two of them, and the Pro VLA II, for my studio. Unfortunatly everything that I plugged into them hummed more that if they plugged in directly to the Mixer (Mackie Onyx 1640) My hopes have been smashed to the floor.
Comments about ART T8 8-Channel Transformer Isolator:
I bought 2 of these products to allow my computer to connect to my ls9. It hums like crazy. You are better off buying adaptors than using this product.
Comments about ART T8 8-Channel Transformer Isolator:
I bought this to allow passive recording to a BR-1600CD multi-track. It is exactly what every multi-track recorder needs. Instruments plug into one of its eight channels via TRS. TRS outputs into the guitar/bass amp or PA and the rear XLR out goes into my recorder. There is no hum or latency and the DI box doesn't color the sound at all. It also has an extra XLR out so mic can come in XLR, go out XLR to the PA and still XLR into the board. A great addition that should be bundled with any 8 channel multi-track recorder.
Displaying reviews 1-7
