/ / /

Stereo Audio Power Amplifier (8.4 Watts per Channel)


FREE Shipping on orders over $100

The 912 is a high-performance power amplifier for balanced or unbalanced stereo audio signals. Either input can deliver a speaker output of 8.4 watts RMS power per channel into a 4Ω load.

Features & Benefits

  • High Efficiency - Class D operation.
  • S/N Ratio - 63dB balanced.
  • Volume Control - Selectable control knob or 10V external control on a terminal block connector.
  • Indicator LEDs - Power on, over-temperature warning.
  • Compact Kramer TOOLS - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter.

Product Use Diagram

Product Specifications

Inputs1 unbalanced stereo audio, 1Vpp/10KΩ on 2 RCA connectors; 1 balanced stereo audio, +4dBu/10KΩ on a 5-pin removable terminal block
Output1 stereo speaker output on a 4-pin removable large terminal block
Input SensitivityUnbalanced: 440mVpp; Balanced: 105mVpp
Output Power5.5W per channel (8Ω); 8.4W per channel (4Ω)
Amplifier TypeClass D
Max Voltage GainUnbalanced: 32.6dB (x43); Balanced: 36.2dB (x65)
Bandwidth (-3dB)>20kHz
S/N RatioUnbalanced 60dB; Balanced 63dB
Gain8Ω: unbalanced <-68 to 33dB, balanced -60 to 36dB; 4Ω: unbalanced -48 to 40dB, balanced -60 to 38dB
CouplingInput: Unbalanced DC (internal AC path), Balanced AC; Output: DC
Audio THD + Noise8Ω: unbalanced 2.3%, balanced 2.5%; 4Ω: unbalanced 3.1%, balanced 4.3%
Audio 2nd Harmonic8Ω: unbalanced 1.4%, balanced 1.4%; 4Ω: unbalanced 2.7%, balanced 3.5%
Power Consumption24V DC, 3.6A
Product Dimensions W, D, H4.72" x 2.81" x 0.96" (12.00cm x 7.15cm x 2.44cm)
Product Weight0.4 lbs (0.2kg)