Introducing the Rolls HE18 - Your Ultimate Two-Channel Audio Hum & Buzz Remover!
Say goodbye to the frustrating 60-cycle hum that plagues your sound. With the HE18, you can effortlessly eliminate virtually all ground hum and buzz by seamlessly integrating it into your audio setup. Experience enhanced audio clarity as the unit efficiently converts unbalanced signals to balanced ones, and vice-versa. Elevate your audio quality with the HE18's remarkable noise-reduction capabilities. Embrace a flawless sound experience like never before.
Features
- Helps Eliminate Ground Loop Hum & Buzz
- Dual Channel
- No Power Required - Completely Passive
- Converts Balanced to Unbalanced Lines & Vice Versa
- Leaves Signal Grounds Connected
- Adjusts Signal Voltages to Match Difference in Ground Potential
Technical Specifications
| Frequency response | 20Hz to 70 kHz +/- .5dB |
|---|---|
| Distortion | < 0.005% THD @ 1 khz |
| Crosstalk | > -97 dB |
| Max source impedance | 1 K Ohm |
| Min load impedance | 10 K Ohm |
| Inputs | 1/4" Tip-Ring Sleeve Jacks (2 ea.); RCA jacks (2 ea.); 1 Stero 3.5mm/Tip-Left Ring-Right |
| Outputs | 1/4" Tip-Ring Sleeve Jacks (2 ea.); RCA jacks (2 ea.) |
| Max out | Bal. +18 dB; Unbal. +12 dB |
| Max in | Bal. +22 dB; Unbal. +22 dB |
| Input impedance | RCA 10k Ohm; 1/4" 10k Ohm balanced |
| Output impedendance | RCA 10k Ohm; 1/4" 10k Ohm balanced |
| THD | 0.05% @ 1 kHz |
| Weight | 1 lbs. (0.45 kg) |
| Size | 4.15" x 2.46" x 1.55" |
