ตัวแยกสัญญาณสเตอริโอ Radial Pro ISO Converts balanced line level signals to unbalanced, Stereo pro to consumer audio interface, RCA, 3.5mm and 1/4″ outputs, XLR inputs, Variable output control to set optimum levels, Transformer isolated to eliminate hum & buzz
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฿7,400.00
ตัวแยกสัญญาณสเตอริโอ Radial Pro ISO Converts balanced line level signals to unbalanced, Stereo pro to consumer audio interface, RCA, 3.5mm and 1/4″ outputs, XLR inputs, Variable output control to set optimum levels, Transformer isolated to eliminate hum & buzz
The Pro-ISO +4/-10 dB Stereo Line Isolator from Radial Engineering is a stereo line isolator designed to convert a professional +4 dB line-level balanced signal to an unbalanced -10 dB consumer-level device. This enables you to take the balanced output of a mixer and feed a consumer-level recorder or audio input on a computer.
The Pro-ISO employs a transformer that focuses the energy in the voice range making it a suitable choice for sermons, news gatherings, and spoken voice.

The passive design begins with 100% discrete components throughout. A set-and-forget level control lets you attenuate the input signal to prevent it from overloading the destination device. Output connections include a stereo pair of 1/4″ connectors, a set of RCAs and a mini 3.5mm (1/8″) for interfacing to a mini recorder or laptop computer. Transformer isolation helps eliminate hum and buzz caused by ground loops while eliminating stray DC currents from flowing.
Utilizing Radial’s bookend construction, the Pro-ISO has 14-gauge steel construction throughout. This creates a protective zone around the connectors and controls for added durability. The steel construction also assists by shielding the transformers from outside magnetic fields.
| Circuit Type | Passive, transformer based |
| Number of Channels | Stereo (dual mono) |
| Frequency Response | 20 Hz to 18 kHz (+0 dB/ -3 dB) |
| Dynamic Range | 130 dB |
| Maximum Input | +20 dBu @ 1 kHz / 1% THD+N |
| THD + Noise | 0.005% @ 1 kHz |
| Deviation | Phase: 1.5° @ 100 Hz; 3° @ 20 Hz |
| CMRR | -76 dB |
| Input Impedance | 1.3 kΩ, unbalanced |
| Output Impedance | 1.9 kΩ, balanced |
| Transformer | Radial transformer |
| Ground Lift | Disconnects XLR pin-1 at XLR input |
| XLR Configuration | AES standard (pin-2 hot) |
| Connectors | Balanced XLR-F in; 1/4″, RCA and 3.5 mm TRS unbalanced outputs |
| Construction | 14-gauge steel chassis |
| Finish | Baked enamel |
| Power | Passive, no power required |
| Dimensions (L x W x D) | 3.3 x 5.0 x 2.0″ (83.8 x 127.0 x 50.8 mm) |
| Weight | 24.8 oz (703.1 g) |