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Glensound UBBU4 - Twin Stereo Unbalanced to Balanced and Balanced to Unbalanced Converter

  • Dale #:

    GLEN-UBBU4
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Description

The Signature UBBU4 is a broadcast specification twin stereo unbalanced to balanced, and balanced to unbalanced analogue audio interface that is equally suitable for professional & home studio use. It is most commonly used for interconnecting domestic type recording/ playback devices to broad... Read More

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Description

The Signature UBBU4 is a broadcast specification twin stereo unbalanced to balanced, and balanced to unbalanced analogue audio interface that is equally suitable for professional & home studio use. It is most commonly used for interconnecting domestic type recording/ playback devices to broadcast/ professional equipment.

Its primary job is to interface domestic type audio outputs (unbalanced) to the balanced audio inputs on broadcast and professional audio equipment while simultaneously connecting balanced outputs from professional equipment to the unbalanced inputs on domestic products. As well as providing the balancing interface the UBBU4 also provides variable gain/ loss to allow the two connected pieces of equipment to match audio levels.

All the stereo circuits can both work as dual mono. All the inputs are electronically isolated with RF filters to prevent extraneous signals, and fed via multi-turn preset gain controls on the rear panel to their outputs. The rear panel gain controls are multi-turn presets to allow accurate gain setting and are also recessed to prevent accidental movement.

Power is provided by an internal switch mode power supply, with a wide input range. There is also an input for external 12v DC power. The 12v DC input can be connected to the optional Signature PS1external DC Master Power Station, for situations where a redundant power supply is desirable.

A bright front panel LED indicates that the unit is operational.

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Product Specs

AUDIO BALANCED TO UNBALANCED
Frequency Response @ Line up<+/-0.1dB 40Hz to 20kHz
Gain Range-15dB to +15dB on each output
Line Up Level (with 0dB Gain)-12dBu on unbalanced input = 0dBu on balanced output
Maximum Input Level+28dBu
Maximum Output Level+24dBu
Input Impedance>50 kOhms
Output Impedance
Distortion ref +dBu output0.04% THD @ 100Hz
0.01% THD @ 1kHz
0.01% THD @ 10kHz
Noise-103dB @ lineup unweighted RMS 22Hz to 22kHz ref -4dBu output
Interchannel Crosstalk>-90db @ lineup 1 - 15kHz
Input TypeElectronically balanced on Neutrik XLRs
Output TypeElectronically isolated on gold plated RCA phono sockets
AUDIO UNBALANCED TO BALANCED
Frequency Response @ Line up<+/-0.1dB 40Hz to 20kHz
Gain Range-18dB to +10dB on each output
Line Up Level (with 0dB Gain)0dBu on balanced input = -12dBu on unbalanced output
Maximum Input Level+28dBu
Maximum Output Level+20dBu
Input Impedance>22 kOhms
Output Impedance
Distortion ref +dBu output0.04% THD @ 100Hz
0.01% THD @ 1kHz
0.01% THD @ 10kHz
Noise-98dB @ lineup unweighted RMS 22Hz to 22kHz ref +8dBu output
Interchannel Crosstalk>-90db @ lineup 1 - 15kHz
Input TypeElectronically isolated on gold plated RCA phono sockets
Output TypeElectronically balanced on Neutrik XLRs
POWER
Mains InputFiltered IEC, 100 - 240VAC (+/-10%) 47 - 63Hz
AC Consumption2.9 Watts
DC Input4 Pin Neutrik XLR plug +/-12V
Internal Fuse20mm 1A Anti surge
PHYSICAL
Size445 x 123 x 44mm (LxDxH) no rack ears 482mm 19" (1RU) with rack ears
Weight1.10Kg
MechanicsAll aluminium construction, anodised and laser etched
Shipping CartonRugged export quality cardboard carton 610 x 420 x 130mm
Shipping Weight2.4Kg
INCLUDED ITEMS
Mains Lead2 metre long (UK & Europe only)
Rack Bolts4 off Pozi head M6
Feet4 off rubber stick on feet
HandbookFull A4 handbook available to download and linked by QR code on device
Quick Start GuidePrinted A4 double sided quick start guide

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