Stereo Audio Amplifier & Switcher (40 Watts Per Channel)
Video & Computer Signal Processing Solutions
Kramer : 908
Description
The 908 is a high-performance audio amplifier for line-level stereo audio signals. The 908 accepts either a balanced or unbalanced stereo audio signal and delivers a speaker output of 40 watts RMS per channel into 8Ω loads.
Features
908 features include:
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High Efficiency - Class D operation.
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Controls - Control knob to adjust volume, bass, middle, treble and balance. Mute and loudness buttons, plus a 10V control port for adjusting the audio gain.
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USB Port - For firmware update.
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Flexible Control Options - Front panel, RS−232 (K−Router™ Windows®−based software is included), Ethernet, IR remote (included) and 10KΩ volume level.
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Compact MegaTOOLS® - 2 units can be rack mounted side−by−side in a 1U rack space with the optional universal rack adapter.
Specifications
| → Inputs | 1 unbalanced stereo audio on RCA connectors; 1 balanced stereo audio on a 5-pin terminal block connector; 1 USB connector |
| → Output | 1 speaker stereo audio on a 4-pin terminal block connector |
| → Input Sensitivity | Unbalanced: 360mVpp; balanced: 220mVpp |
| → Max. Voltage Gain | Unbalanced: 35dB; balanced: 40.5dB |
| → Output Power | 40W per channel into 8Ω |
| → Bandwidth (-3dB) | 22kHz |
| → Crosstalk | <-57dB @20kHz |
| → Controls | Level: <-30dB to 35.5dB; balance: -30dB to 0dB; loudness: -14dB to 0dB @1kHz; bass: -15dB to 12dB @100Hz; mid: -15dB to 11dB @1kHz; treble: -14dB to 13dB @10kHz; input selector buttons, mute button, loudness, bass, mid, treble, balance, volume buttons, IR, RS-232, K-NET, Ethernet, 10V volume control |
| → Coupling | Input: AC, output: DC |
| → Audio THD Noise | 0.15% |
| → Audio 2nd Harmonic | 0.06% |
| → Signal/Noise Ratio | 63dB, 80dB @10% distortion |
| → Amplifier Type | Class D |
| → Power Source | 24V DC, 2A |
| → Dimensions | 18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 0.94") W, D, H |
| → Weight | 0.6kg (1.32lbs) |
| → Accessories | Power supply, Windows®-based Kramer control software, IR remote control transmitter |
| → Options | RK-T2B 19" rack adapter |
| → Control | Control knob to adjust volume, bass, middle, treble and balance. Mute and loudness buttons, plus a 10V control port for adjusting the audio gain |
| → USB Port | For firmware update |
| → Flexible Control Options | Front panel, RS-232 (K-Router Windows®-based software is included), Ethernet, IR remote (included) and 10KO volume level |
| → Compact MegaTOOLS® | 2 units can be rack mounted side-by-side in a 1U rack space with the optional RK-T2B universal rack adapter |
Resources & Documents
| 908.pdf | Datasheet |

