The GS-HA013 like other units in this range is small, robust and economical. It provides 1 off headphone amplifier in a compact format.
It builds on the successful GS-HA001 and adds switches to allow each input to be routed to the left ear, right ear, or both.
A toggle switch turns the unit on/off and a bright blue LED indicates that the unit is on and flashes when the battery is getting low.
Audio input is on 2 XLRs normally feeding left & right channels of the headphone amp. A switch is provided to allow an unbalanced stereo signal input on just 1 off these XLRs to be feed to both channels of the headphone amp.
A phase reverse of the right ear facility is provided (operation by a small toggle switch).
2 off headphone jack connections are provided (in parallel) each connector is suitable for use with both A and B gauge jack plugs.
PROVISIONAL
BALANCED INPUT IMPEDANCE >50K Ohms
UNBALANCED STEREO INPUT IMPEDANCE >22K Ohms (On each side)
INPUT GAIN RANGE -20dBu to +8dBu
FREQUENCY RESPONSE -1dBu @ 20Hz & 20kHz
NOISE -54dBu (RMS 22-22kHz) @ Max Gain -85dBu (RMS 22-22kHz) @ Min Gain
HEADPHONE IMPEDANCE 32 Ohms to 1K Ohms
HEADPHONE LEVEL RANGE -20dBu to +10dBu
MAXIMUM HEADPHONE LEVELS
****WARNING HIGH SOUND LEVELS CAN BE HARMFUL TO YOUR HEARING****
+19dBu into 2K Ohms
+18dBu into 600 Ohms
+16dBu into 200 Ohms
2 x HEADPHONE CONNECTORS 6.35mm A & B gauge Wired in Parallel
POWER Internal: 1 x PP3 9 volt battery
External: 12 to 20V @ < 44Ma 2.5 mm Jack (inner positive)
BATTERY LIFE
BATTERY INDICATOR Steady blue LED indicates good battery Flashing blue LED indicates low battery
OVERALL SIZE 43 x 101 x 103 mm (H x W x D)
UNIT WEIGHT 380 Grams (including battery)
