Sometimes it is necessary to send two stereo signals to one device, for example, when two mixing consoles have to drive a stereo power amplifier. In practice, this is rarely possible without ground loops occurring. The Palmermainsolves this type of problem. It mixes two stereo input signals via a resistor matrix, whereby the input pair A is galvanically isolated by a transformer in order to avoid ground loops.
The Palmermainworks purely passively. The result is a particularly low noise floor and a neutral sound. Thanks to large transformers, it can handle high-level signals up to +20 dBu without distortion. The transformers also make it possible to assign the input pair A unbalanced while the output signal remains balanced.
The passive mode of operation without a power supply makes the Palmermainparticularly reliable and failure-proof. The aluminium/steel housing and XLR sockets are also best suited to the rough everyday life on stage. The Palmermainmerge box solves typical sound reinforcement problems in the simplest way with uncompromised sound quality.
Merge two stereo signals on one output pair
Allows the combination of two devices, e.g. two mixers to a PA System
Galvanic transformer isolation of outputs
Switchable ground lift to isolate ground loop hum
Neutral sound
High headroom (+20 dBu max. input level)
Passive construction, no power supply required
Extremely fail-safe
Solid casing made of aluminium and steel
Specifications
Product type
Line summing unit
Channels
2
Type
passive
Transformer isolated
Yes
Inputs
4
input type
balanced
Input connectors
XLR
Outputs
2
Output type
balanced
Output connectors
XLR
Ground lift switch
Yes
Housing
Aluminium continuous casting
Dimension (H/W/D)
140 x 50 x 128 mm
Weight
0,8 kg
Ambient temperature during operation
-20 - 70 °C
Relative Humidity
< 80 %, not condensing
Accessories (included)
Inscription label (tour label)
Accessories (included)
rubber feet
Audio
Max. input level (< 1% THD, 20 Hz)
+20 dBu
Max. input level (< 1% THD, 1 kHz)
+ 32 dBu
Frequency response (±1 dB, relative 1 kHz)
10 Hz - 80 kHz
Input impedance (1 kHz)
3.3 kOhm
Output impedance (1 kHz)
600 Ohm(s)
THD (30 Hz, +4 dBu, unity, unweighted)
< 0,9 %
THD (1 kHz, +4 dBu, unity, unweighted)
< 0,02 %
IMD (SMPTE) (60 Hz / 7 kHz, 4:1, +4 dBu)
< 0,015 %
Transformer ratio
1 : 1
Shipping & Returns
This product includes FREE SHIPPING Australia Wide and an easy 30 day return policy.
If you decide you want to return an item for any reason within 30 days you can send it back and receive a full refund of the purchase price, just pay the return shipping cost.
For additional information see our full Shipping and Returns policy by clickinghere.
Why Buy from Us?
With so many online retailers to choose from, we appreciate you considering Refiner Music. Here's what sets us apart:
FREE SHIPPING on purchases over $70 Australia Wide.
Price match guarantee. We provide the best online prices guaranteed.
30 day easy returns. Not happy with your purchase? We'll take it back, no questions asked.
We give back. 10% of Refiner Music's profits are donated to up and coming Australian artists in the music industry.
Australian owned and operated. Our mission as an Australian company is to get behind and grow the Australian music industry by not just supporting Australian brands, but Australian musicians alike.
Sometimes it is necessary to send two stereo signals to one device, for example, when two mixing consoles have to drive a stereo power amplifier. In practice, this is rarely possible without ground loops occurring. The Palmermainsolves this type of problem. It mixes two stereo input signals via a resistor matrix, whereby the input pair A is galvanically isolated by a transformer in order to avoid ground loops.
The Palmermainworks purely passively. The result is a particularly low noise floor and a neutral sound. Thanks to large transformers, it can handle high-level signals up to +20 dBu without distortion. The transformers also make it possible to assign the input pair A unbalanced while the output signal remains balanced.
The passive mode of operation without a power supply makes the Palmermainparticularly reliable and failure-proof. The aluminium/steel housing and XLR sockets are also best suited to the rough everyday life on stage. The Palmermainmerge box solves typical sound reinforcement problems in the simplest way with uncompromised sound quality.
Merge two stereo signals on one output pair
Allows the combination of two devices, e.g. two mixers to a PA System
Galvanic transformer isolation of outputs
Switchable ground lift to isolate ground loop hum
Neutral sound
High headroom (+20 dBu max. input level)
Passive construction, no power supply required
Extremely fail-safe
Solid casing made of aluminium and steel
Specifications
Product type
Line summing unit
Channels
2
Type
passive
Transformer isolated
Yes
Inputs
4
input type
balanced
Input connectors
XLR
Outputs
2
Output type
balanced
Output connectors
XLR
Ground lift switch
Yes
Housing
Aluminium continuous casting
Dimension (H/W/D)
140 x 50 x 128 mm
Weight
0,8 kg
Ambient temperature during operation
-20 - 70 °C
Relative Humidity
< 80 %, not condensing
Accessories (included)
Inscription label (tour label)
Accessories (included)
rubber feet
Audio
Max. input level (< 1% THD, 20 Hz)
+20 dBu
Max. input level (< 1% THD, 1 kHz)
+ 32 dBu
Frequency response (±1 dB, relative 1 kHz)
10 Hz - 80 kHz
Input impedance (1 kHz)
3.3 kOhm
Output impedance (1 kHz)
600 Ohm(s)
THD (30 Hz, +4 dBu, unity, unweighted)
< 0,9 %
THD (1 kHz, +4 dBu, unity, unweighted)
< 0,02 %
IMD (SMPTE) (60 Hz / 7 kHz, 4:1, +4 dBu)
< 0,015 %
Transformer ratio
1 : 1
Shipping & Returns
This product includes FREE SHIPPING Australia Wide and an easy 30 day return policy.
If you decide you want to return an item for any reason within 30 days you can send it back and receive a full refund of the purchase price, just pay the return shipping cost.
For additional information see our full Shipping and Returns policy by clickinghere.
Why Buy from Us?
With so many online retailers to choose from, we appreciate you considering Refiner Music. Here's what sets us apart:
FREE SHIPPING on purchases over $70 Australia Wide.
Price match guarantee. We provide the best online prices guaranteed.
30 day easy returns. Not happy with your purchase? We'll take it back, no questions asked.
We give back. 10% of Refiner Music's profits are donated to up and coming Australian artists in the music industry.
Australian owned and operated. Our mission as an Australian company is to get behind and grow the Australian music industry by not just supporting Australian brands, but Australian musicians alike.
