ART T8
MRP - Rs. 19,305
ART T8 8-channel transformer / isolator: 1:1 transformers against hum and ground loops, XLR, 1/4 inch TRS and RCA per channel, passive 1U. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Specifications
| Active or passive | Passive |
| Inputs | 8 x balanced XLR; 8 x balanced 1/4 inch TRS; 8 x RCA |
| Outputs | 8 x balanced XLR; 8 x balanced 1/4 inch TRS; 8 x RCA |
| Frequency response | 10 Hz - 50 kHz (±0.5 dB at +4 dBu) |
| Insertion loss | 0.4 dB (100 kΩ load); 5.5 dB (600 Ω load) |
| Total harmonic distortion | 0.01 % (typical at 1 kHz, +18 dBu); < 0.05 % at 100 Hz, +24 dBu |
| Phase error | < 5° (20 Hz - 20 kHz) |
| Channel separation | 90 dB (typical) |
| CMRR | 60 dB (typical) |
| Dimensions (D x W x H) | 95 x 483 x 44.5 mm (3.75 x 19 x 1.75 inch) |
| Weight | 1.7 kg (3.75 lb) |
Product overview
The ART T8 Transformer / Isolator provides eight channels with high-performance transformers that reduce hum and ground loop noise, separating the input and output signal grounds for total isolation between two systems.
The transformers are wound for 1:1 unity gain, are designed for impedances from 600 Ω to 100 kΩ and have an extremely flat and wide frequency response for clean, transparent sound even at high signal levels. Each channel has XLR, 1/4 inch TRS and RCA connectors on its input and output: the 1/4 inch and RCA jacks are on the front, the XLRs on the rear. The jacks are directly paralleled, so they can also serve as signal taps or a signal splitter. The steel 1U case has reversible rack ears that put either side to the front, and the passive design needs no power.
| 1:1 transformers, unity gain | 8 channels |
| On every input and output | XLR, TRS, RCA |
| ±0.5 dB at +4 dBu | 10 Hz - 50 kHz |
| No power required, 1U | Passive |
Key features
- 8-channel transformer / isolator
- XLR, 1/4 inch TRS and RCA input and output per channel
- 10 Hz - 50 kHz frequency response
- 0.01 % THD (typical at 1 kHz, +18 dBu)
- Passive design: no power required
- 1U rackmount with reversible rack ears
Applications named by ART
Live sound and DJ setups (long unbalanced cables, different house wiring), multiple mixers, fixed installations, recording, broadcast and video rigs, power amplifier input lines, and computers: removing ground loops between a computer and audio equipment and balancing unbalanced inputs and outputs.
In the box
- T8 8-channel transformer / isolator
ART T8: frequently asked questions
Does the T8 need power?
No. It is fully passive.
Can I use the jacks as a splitter?
Yes. ART states that the jacks are directly paralleled, so they can be used as signal taps or a signal splitter.
Where can I buy the ART T8 in India?
The ART T8 is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Isolating several mixers
Live, broadcast and installed systems with multiple mixers.
Connections
| Connect | To |
|---|---|
| Mixer 1 outputs | T8 inputs |
| T8 outputs | Mixer 2 inputs |
Setup
- Rack-mount the T8 between the systems.
- Use XLR, 1/4 inch or RCA as each side needs.
Tip: Turn the rack ears round to put the XLRs or the 1/4 inch and RCA jacks at the front.
Workflow 2: Computer outputs into balanced inputs
Studios and AV with computer audio.
Connections
| Connect | To |
|---|---|
| Computer sound card outputs | T8 1/4 inch or RCA inputs |
| T8 XLR outputs | Monitor system or mixer |
Setup
- Connect the computer outputs to the front jacks.
- Feed the system from the rear XLR outputs.
Tip: ART names removing ground loops and balancing unbalanced computer outputs.
