CI-2RR Two channel ground isolator
The Iso•Max CI-2RR is a passive two channel audio ground isolator designed to eliminate hum and buzz caused by ground loops in the most demanding audio systems.
- Eliminates hum and buzz caused by ground loops
- Extended frequency response from 10 Hz to 40 kHz
- Less than 2° phase deviation at 20 Hz
- Plug and play easy to use – no power required
The unbalanced stereo design begins with gold RCA connectors to ensure optimal signal transfer. These are housed in a rugged steel enclosure that is fitted with screw-down flanges for easy installation in racks, under shelves or attached to cabinetry. The magic inside comes from two high performance Jensen Transformers that deliver pristine audio from 10 Hz to 40 kHz with less than 1 dB of deviation, less than 0.05% harmonic distortion and less than 2° phase shift at all frequencies. The transformer is shielded in a MuMETAL® can to protect against external magnetic fields and prevent “spectral contamination” due to ultrasonic and RF interference. This assures your music will be faithfully delivered without distortion, coloration or artifact no matter what the program material or signal level.
These features makes the CI-2RR the perfect choice for 2 channel audiophile systems, home theater, Hi-Z recording sound cards, car audio and any other unbalanced audio signal
SPECIFICATIONS
| PARAMETER |
CONDITIONS |
MINIMUM |
TYPICAL |
MAXIMUM |
| Input impedance, Zi |
1 kHz, +4 dBu, test circuit 1 |
47.0 kΩ |
48.6 kΩ |
50.0 kΩ |
| Insertion loss |
1 kHz, +4 dBu, test circuit 1 |
|
0.82 dB |
1.0 dB |
| Magnitude response, ref 1 kHz |
20 Hz, +4 dBu, test circuit 1 |
-0.15 dB |
-0.03 dB |
±0.0 dB |
| Magnitude response, ref 1 kHz |
20 kHz, +4 dBu, test circuit 1 |
-1.0dB |
-0.70 dB |
±0.0 dB |
| Deviation from linear phase (DLP) |
20 Hz to 20 kHz, +4 dBu, test circuit 1 |
|
+1.4/-0° |
±2.0° |
| Distortion (THD) |
1 kHz, +4 dBu, test circuit 1 |
|
<0.001% |
|
| Distortion (THD) |
20 Hz, +4 dBu, test circuit 1 |
|
0.04% |
0.10% |
| Maximum 20 Hz input level |
1% THD, test circuit 1 |
+17 dBu |
+19 dBu |
|
| Common – mode rejection ratio (CMRR) |
60 Hz, test circuit 2 |
|
95 dB |
|
| Common – mode rejection ratio (CMRR) |
3 kHz, test circuit 2 |
|
85 dB |
|
| Output impedance, Zo |
1 kHz, test circuit 1 |
|
4.65 kΩ |
|
| Allowable source impedance |
(output impedance of device driving the ISO-MAX input) |
0 |
600 Ω |
2 kΩ |
| Allowable load impedance |
(input impedance of device loading the ISO-MAX output) |
10 kΩ |
47 kΩ |
∞ |
| Allowable load capacitance |
(cable & input capacitance loading the ISO-MAX output) |
0 |
50 pF |
100 pF |
| Optimal cable length |
input |
|
3 m (10’) |
8 m (25’) |
| Optimal cable length |
output |
|
1 m (3’) |
3 m (10’) |
| Temperature range |
operation or storage |
0°C |
|
70°C |
| Input to Output Voltage Difference* |
any input to any output shield or any shield to case, 60 Hz |
|
|
24 V RMS 34 V peak |
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 WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
In certain instances promotional prices will be offered listed above as a “Price with Rebate”, and are typically dated. In these cases Instant Rebate (IR) pricing is good sometimes only for the day only or only for the week. In order to be eligible for IR pricing – the order must be paid for AND picked up/shipped out. If you are placing an online order outside of business hours within your respective time zone, please add a note to your order for the team to confirm the pricing, or contact the branch the following business day to ensure that the item pricing carries over into the subsequent period. If an alternate branch location is still open in another time zone, please reach out to that group.
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