Palmer PWUPPER Overview
Developed for guitar and bass application but also great for keyboards and hi-fi equipment, the Palmer RIVER wupper is a single-channel, line-isolation box used to eliminate ground-loop hum and interfering signals when connected between two devices. RIVER wupper is equipped with a 1/4" connector on the input side and a 1/4" connector on the output side. Both the input and output can either be balanced or unbalanced.
RIVER wupper features a simple and failure-proof passive design that requires no battery. It utilizes galvanic-isolation technology via its transformer to preserve the sound quality of your audio channel.
Engineered in Germany and built to last, the unit is virtually indestructible thanks to its rugged, aluminum-and-steel casing and reinforced connectors.
Key Features
- Line isolation for guitar/bass/keyboard. Also suitable for Hi-Fis and car stereos
- Single channel: 1/4" instrument-/line-level input and 1/4" line-level output
- Reliably eliminates ground-loop hum and interfering signals
- Galvanic transformer isolation
- Can be used to balance signals
- Pure and unaltered sound
- Passive operation: simple and failure-proof
- Distortion-free up to +6 dBu
- Solid casing made of aluminum and steel
- Includes rewritable tour label for attachment onto the back of the wupper
- Engineered in Germany
Palmer PWUPPER Specs
General
| Type | Passive Line Isolator |
| Transformer Ratio | 1:1 |
| Maximum Input Level | +10 dBu (<1% THD, 20 Hz) +32 dBu (<1% THD, 1 kHz) |
| Frequency Response | 20 Hz to 20 kHz, (±2 dB, Relative 1 kHz) |
| Impedance | Input: 17 Kilohms Output: 500 Ohms |
| THD | <0.09% (30 Hz, +4 dBu, Unity, Unweighted) <0.002% (1 kHz, +4 dBu, Unity, Unweighted) |
In the Box
- Palmer RIVER wupper Single-Channel Passive Line Isolation Box
- Rewritable Tour Label
- Rubber Feet
- 5-Year Manufacturer Warranty
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