Peavey KB4 Keyboard Amplifier

Peavey KB4 Keyboard Amplifier


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Peavey KB4 Keyboard Amplifier


The Peavey KB4 Keyboard Amplifier is designed to function as a personal PA system. It features separate inputs on each channel and can easily handle voice, microphones, and other instruments, including acoustic and electric guitars, drum machines, and backing machines, such as CD and DAT players.

Other essential features include stereo effects loop, ground lift, master level, XLR balanced stereo line out, DDT defeat switch, and the capability to drive an external speaker.

15″ speaker and tweeter
75W / 100W with external speaker
Channels 1 & 2 have stereo 1/4″ inputs
Channel 3 features stereo 1/4″ and mono XLR inputs
Channel 4 has a 1/4″ monitor input
Stereo mixer with 2-band EQ and main effects send/return
Mic/Line channel with 3-band EQ and effects send/return
Monitor input with level control and assign
Headphone out with level control
Built-in casters and handle for easy moving
Headphone out with level control
4 Channels
Input Channel 1 and 2:
Input Impedance: 100 k, Left/Mono
Nominal Input Level: -22 dBV, 79 mVrms
Minimum Input Level: -40 dBV, 10 mVrms
Nominal Input Level: -15 dBV, 178 mVrms
Minimum Input Level: -33 dBV, 22 mVrms
Channel 3:
Low Z Input Impedance: 5 kΩ
Nominal Input Level: -28 dBV, 40 mVrms
Minimum Input Level: -48 dBV, 4 mVrms
High Z Input Impedance: 100 k, Left
Nominal Input Level: -5 dBV, 560 mVrms
Minimum Input Level: -22 dBV, 79 mVrms
Right: -1 dBV, 1.1 Vrms
Minimum: -16 dBV, 158 mVrms
Headphone Output Load Impedance: 8 Ω or greater
Nominal Output: 100 mWrms
Line Output Output Impedance: <100
Output Level: 18 dBV
Power Amplifier
Rated Power 100 Wrms/4 Ω or 75 Wrms/8 Ω with DDT off (1 kHz, 1% THD @ 120 VAC line)
Frequency Response +0, -1 dB, 20 Hz to 20 kHz @ 60 Wrms/8 Ω
Total Harmonic Distortion <0.01% @ 1 kHz/8 Ω
Typically <0.08%, 20 Hz to 20 kHz
Dynamic Range DDT: >20 dB
Maximum THD @ 1kHz DDT:
Below 0.5% THD for 6 dB overload
Below 1% THD for 20 dB overload
Hum and Noise >100 dB below rated power
Power Consumption 150 W @ 120 VAC, 50/60 Hz (domestic)
150 W @ 220 to 230/240 VAC, 60 Hz (export)
Weight 72.00 lb (32.66 kg)


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