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manual abstract
To avoid damage to your hearing‚ make sure to turn the dial fully counter-clockwise before using headphones. Slowly turn the knob clockwise until a comfortable listening level is set. This does not affect the master level. (7) Master Level (KB3 only) This knob sets the overall level for the unit. Make sure the Master level is completely down (full counterclockwise) before powering up the unit. This does not affect the headphone level. (8) Power Switch This two-way rocker switch applies power to the unit when placed in the ON position. front panel 1 5 6 2 3 4 7 8 rear panel Main Line Out (9) This low-noise‚ electronically-balanced XLR connector can be used to route signals to a mixing console‚ recording device‚ etc. Send/Return Jacks Mains (10 & 11) This pair of 1/4" jacks allow the use of various auxiliary units (effects units‚ equalizers‚ etc.) in-line‚ before the power amp section. Headphone Jack (12) This 1/4" jack accepts stereo headphones only. CH4/Monitor Input Jack (13) Use this 1/4" jack to connect to the output of any line-level device. Channel: 3 Low-Impedance Input (14) For use with low-impedance microphones or other line-level sources equipped with a male XLR connector. Channels 3‚ 2 & 1 (15) These 1/4" jacks accept high-impedance microphones or line-level sources equipped with 1.4" phone plugs. External Speaker Jack (16) (KB3 only) This 1/4" jack provides the powered signal from the amplifier. Use this jack to add a second speaker cabinet in parallel. The external minimum speaker load impedance is 8 ohms. IEC connector/detachable line cord (17) This is a standard IEC power connector. An AC mains cord having the appropriate AC plug and ratings for the intended operating voltage is included in the carton. The mains cord should be connected to the amplifier before connecting to a suitable AC outlet. U.S. Domestic AC Mains Cord The mains cord supplied with the unit is heavy-duty‚ 3-conductor type with a conventional 120 VAC plug with ground pin. Never break off the ground pin on any equipment. It is provided for your safety. If the outlet used does not have a ground pin‚ a suitable grounding adapter should be used and the third wire should be properly grounded. 17 12 9 14 10 11 13 15 16 kB2/3 Block diagram 7 Preamp section The following preamp specs are measured @ 1 kHz‚ nominal signal levels are with channel level controls set at 5‚ minimum levels are with channel level controls set at 10. Channel 1 & 2 Inputs: Input Impedance: 100k Nominal Input Level: 6 dBV‚ 2 V RMS Minimum Input Level: -10 dBV‚ 316 mV RMS Channel 3 Input: Low Z Input Impedance: 10k Ohms Nominal Input Level: -15 dBV‚ 178 mV RMS Minimum Input Level: -33 dBV‚ 22 mV RMS High Z Input Impedance: 75k Nominal Input Level: -15 dBV‚ 178 mV RMS Minimum Input Level: -33 dBV‚ 22 mV RMS Channel 4 Input: Input Impedance: 10k Ohms Nominal Input Level: 0 dBV‚ 1 V RMS Minimum Input Level: -25 dBV‚ 56 mV RMS Headphone Output Load Impedance: 8 Ohms or greater Nominal Output: 100 mW RMS Main Line Out Output Impedance: <100 Output Level: 18 dBV POWER AMPLIFIER section Rated Power & Load: 80 W RMS/4 Ohms or 60 W RMS/8 Ohms (1 kHz, 1% THD @ 120 VAC line) Frequency Response: +0, -1 dB, 20Hz–20 kHz @ 30 W RMS/8 Ohms DDT Dynamic Range: Greater than 20 dB DDT Maximum THD: Below 0.5% THD for 6 dB overload Below 1% THD for 20 dB overload Hum & Noise: Greater than 100 dB below rated power Power Consumption: 120 W @ 120V AC‚ 50/60 Hz‚ Domestic 120 W @ 220–230/240V AC‚ 60 Hz‚ Export KB®3 SPECIFICATIONS Preamp section The following preamp specs are measured @ 1 kHz‚ nominal signal levels are with channel level controls set at 5‚ minimum levels are with channel level controls set at 10. Channel 1 & 2 Inputs: Input Impedance: 100 k Nominal Input Level: 1.5 dBV‚ 1.2 V RMS Minimum Input Level: -16 dBV‚ 158 mV RMS Channel 3 Input: Low Z Input Impedance: 10 k Ohms Nominal Input Level: -21 dBV‚ 89 mV RMS Minimum Input Level: -38 dBV‚ 13 mV RMS High Z Input Impedance: 75 k Nominal Input Level: -21 dBV‚ 89 mV RMS Minimum Input Level: -38 dBV‚ 13 mV RMS Channel 4 Input: Input Impedance: 10 k Ohms Nominal Input Level: 0 dBV‚ 1 V RMS Minimum Input Level: -25 dBV‚ 56 mV RMS Headphone Output Load Impedance: 8 Ohms or greater Nominal Output: 100 mW RMS Main Line Out Output Impedance: <100 Output Level: 18 dBV POWER AMPLIFIER section Rated Power & Load: 45 W RMS/8 Ohms/low channel 12 W RMS/8 Ohms/high channel (1 kHz, 1% THD @ 120 VAC line) DDT Dynamic Range: Greater than 20 dB DDT Maximum THD: Below 0.5% THD for 6 dB overload Below 1% THD for 20 dB overload Hum & Noise: Greater than 90 dB below rated power Power Consumption: 150 W @ 120V AC‚ 50/60 Hz‚ Domestic 150 W @ 220–230/240V AC‚ 60 Hz‚ Export Crossover: Fixed‚ 18 dB/octave‚ 3.5 kHz crossover frequency KB®2 SPECIFICATIONS KB®2/KB3 Amplificadores para Teclados Gracias por elegir los amplificadores para teclados KB2/KB3. Una vez mas, los ingenieros de Peavey han escuchado las peticiones de los tecladistas y las han integrad...
Other models in this manual:Musical Instruments - KB2/KB3 (1.8 mb)