| Content |
The ALI20/25 are Audio Line Isolators, designed to isolate audio devices from each other, in most cases they are used to avoid hum, caused by ground loops in audio systems. They offer a complete passive solution for the isolation of a stereo balanced audio signal. It features dual XLR in- and output connectors and a ground lift switch. The in- and output phase are matching. The ALI20/25 are both built with an audio transformer that has a turns ratio of 1:1 and an impedance of 600 Ohm. The difference is the shielding of the transformer. The ALI20 contains a shielded transformer which complies with the requirements of most standard applications, while the ALI25 contains a MU-metal shielded transformer which can be used when regular shielding becomes inadequate. This ensures the best results in even the highest EMI polluted environments. | Stereo volume controller with IR remote control
- Convenient stereo volume control of analog audio units with line level
- Volume up/down and mute on/off
- Stereo RCA input and output
- Control via IR remote control
- Desktop console housing
Package contents
- 1 x device, 1 x external mains adapter, 1 x remote control, 4 x foot, 1 x user manual, 1 x battery
| Power consumption: |
0,75 W |
| Power connection: |
Mains input via Coaxial power connector (M) mounting version power supply cord with AC adapter (provided) |
| Frequency range: |
20 - 20000 Hz |
| S/N ratio: |
>90 dB |
| THD: |
<0,2 % at 1 kHz |
| Impedance: |
Input: 47 kOhm |
| Control: |
IR remote control |
| Status LED: |
Power, Mute |
| Connections: |
Input: line via 1 x stereo RCA
Output: line via 1 x stereo RCA |
| Max. level: |
Input: +1,65 V
Output: +2 V |
| Material: |
Metal |
| Color: |
Black |
| Housing design: |
Desktop console housing |
| Dimensions: |
Width: 9,3 cm
Depth: 7,6 cm
Height: 2,6 cm |
| Weight: |
360 g |
| Device |
| Power supply: |
12 V |
| Protection class: |
Protection class III |
| Weight: |
180 g |
| External mains adapter |
| Power supply: |
230 V AC, 50 Hz |
| Protection class: |
Protection class II |
| Weight: |
180 g |
| Remote control |
| Battery: |
1 x Button cell 3.0 V CR2025 lithium manganese built-in |
| Behringer HD-400 Ultra-Compact 2-Channel Hum Destroyer
This ultra-compact 2-channel hum destroyer may be small in size, but there is nothing lacking in its performance. This super-compact solution removes AC hum and noise quickly, easily and reliably. Ground loops are safely broken while the highest sonic quality is maintained. Plus, the HD400 automatically converts unbalanced signals into balanced without any signal loss. The unit carries two 1/4\' TRS inputs and outputs for 2 mono or 1 stereo signal.
If maintaining a small visual profile without any compromises on the quality is of the essence, then we got your gear! | Two-channel isolation transformer (line isolator). Neutrik combination socket input (XLR & jack socket) and XLR output. The PLI02 also has a ground-lift switch. Especially suitable for eliminating ground loops that cause hum. Conversion from unbalanced to balanced is possible. 600 Ω version can handle levels up to +20 dBu.
Professional dual channel line isolating unit for stage and studio use. A unique Neutrik input connector accepts both male XLR and jack plugs. The PLI-02 easily converts unbalanced outputs into balanced ones. It may also be used to transformer balance electronically balanced inputs and outputs.
Technical specifications:
- Input: Neutrik female XLR/jack combination connector
- Output: male XLR type
- Transformer ratio: 1 : 1
- Nominal level: 0 dB
- Max. Level +20 dB
- Impedance input and output: 600 ohms nominal
- Ground lift common to both channels
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