SAFETY INSTRUCTIONS Intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be strong enough to create a risk electric shock to a person. Intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. CAUTION: To reduce the risk of electric shock, DO NOT ATTEMPT TO OPEN THE AMPLIFIER OR REMOVE THE COVER.
9. Unplug the amplifier during lightning storms or when unused for long periods of time. 10. Refer all servicing to qualified service personnel. Servicing is required when the amplifier has been damaged in any way. Some examples-when the power cord or plug is damaged, liquid has been spilled, objects have fallen into the amplifier, the amplifier has been exposed to rain or moisture, it does not operate normally, or has been dropped. 11.
OPERATION 1. INPUT GAIN (dB) These controls are used to adjust the input gain of each channel. They determine how loud each channel of the power amplifier will sound for a given input signal level. The maximum input gain is achieved by turning the control completely clockwise - this setting yields the maximum mixer/system headroom. Turning the control back counter-clockwise will yield lower system noise at the expense of mixer/system headroom.
7. LEVEL INDICATOR Channel A and Channel B level LED indicator. 8. INPUT Cannon and input jack connector provide balance or unbalance input mode. 9. MODE SWITCH This switch is used to select STEREO or BRIDGE mode operation. 10. GROUND LIFT SWITCH 11. BINDING POST OUTPUTS Shockproof binding posts are provided. For each channel, the outputs are in parallel and the speaker connection cables can be terminated with banana plugs or stripped wires. 12.
SPECIFICATIONS PTA 1000 PTA 1400 1. INPUT SPECIFICATIONS: ĆInput characteristics: Input impedance balance. 20K ohms Non-balance ................10K ohms Input level ...................... +4 dB 1. INPUT SPECIFICATIONS: ĆInput characteristics: Input impedance balance. 20K ohms Non-balance .................10K ohms Input level ....................... +4 dB ĆPower Input: Input voltage ........115/230 V (AC) Frequency ................. 50/60 Hz ĆPower Input: Input voltage ........
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