The Signature HA6+ is a broadcast specification, six way headphone amplifier, designed to operate in a mono or a stereo mode.
Description
The HA6+ has 2 x XLR inputs that are used as the primary programme audio input, and 2 x XLR inputs that are used for the secondary aux audio input. These can be stereo, or, if a mono input, can be switched to appear on both sides of the headphones. There are left and right primary input gain controls on the rear panel, and they are on recessed screw terminals.
On the front panel there is a source control for each headphone output that allows a mix between the programme and aux input. Full left is programme only, full right is aux only, and anywhere in between is a variable mix.
Each of the six headphone amplifiers has its own volume level pot. There is also a master volume pot that controls the overall level of all amplifiers. This can be defeated via a rear panel dip switch. Each of the six headphone outputs are available via front panel 6.35mm jack sockets, and in parallel on rear panel XLR connectors.
Rear panel inputs and outputs are electronically balanced on XLRs and can accommodate unbalanced connections if required.
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 PS1 external DC Master Power Station, for situations where a redundant power supply is desirable. A bright front panel LED indicates that the unit is operational.
Specification
Audio Inputs | |
Maximum Input Level | +24dBu |
Input Impedance | 30k |
Programme Input Type | Sophisticated electronically balanced (can be wired unbalanced) |
Programme Input Circuit | Stereo or mono (via rear panel switch) |
Programme Input Connectors | 2 x Neutrik 3 pin XLR sockets |
Cue Input Type | Sophisticated electronically balanced (can be wired unbalanced) |
Cue Input Circuit | Stereo |
Cue Input Connector | 2 x Neutrik 3 pin XLR sockets |
Coarse Gain Range | 20dB on programme input only |
Front Panel Volume Pots Range | 75dB (-65dB to +10dB) |
Front Panel Source Control Range | 70dB (-70dB to 0dBu) |
Headphone Output | |
Output Type | Sophisticated electronically balanced. Can accept mono or stereo jacks with automatic level correction for low or high impedance headphones. |
Output Connectors | Front panel Neutrik A-gauge TRS 6.35mm (1/4") jack socket in parallel with rear panel Neutrik 3 pin XLR plug |
Frequency Response |
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Maximum Output Level |
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Distortion |
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Noise | > -83.3dB @ line up unweighted RMS (22Hz to 22kHz) |
Headphone Impedance | 32 - 1k Ohms |
Crosstalk | Programme input to Cue input 1k tone @ lineup -72dBu |
Power | |
Mains Input | Filtered IEC, 100 to 240VAC 47 - 63Hz |
AC Consumption | 4 Watts @ 230 VAC |
Internal Mains Fuse | 20mm 1A Anti Surge |
DC Input | 4 Pin Neutrik XLR plug +/- 12V |
DC Consumption | +12V = 100mA, -12V = 100mA |
Physical | |
Size |
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Weight | 0.94kg |
Shipping Weight | 2.35kg |
Shipping Carton | Rugged export quality cardboard carton 610 x 420 x 130mm LxDxH |
Mechanics | All aluminium construction, anodised and laser etched |
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