Octave RE 290 Stereo Power Amplifier
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Product Overview & Specifications
the Orchestral
OCTAVE proudly presents the latest evolution of the successful and enduring RE 280 stereo amplifier. The company’s traditional stereo amplifier design has been produced since 1990, having been updated and improved continuously over the years. This progressive development has brought forth an even further improved variant in the form of the new RE 290 power amplifier – an ideal companion for any and all modern high-performance loudspeakers.
The RE 290 based on the stable and reliable electronic circuits of the RE 280 MKII model, while incorporating the benefits of the recently-developed KT120 power tube. The KT120 allows an output power of more than 100 W via two tubes in push-pull mode, while its current capacity is higher compared to the classic KT88 tube designs. Increased stability with difficult, low impedance speakers is achieved through the increased bandwidth and OCTAVE’s specially designed output transformers. Lifelike reproduction of even the most complex orchestral passages in the own home is now possible.
The power bandwidth of the RE 290 ranges from 5 Hz to 85 kHz. The noise level (100μV =-110dB) is so low that even with high efficiency speakers there is no audible hum or noise. The power supply functions are controlled by the exclusive OCTAVE power management circuitry. In combination with the highest quality components manufactured in Europe, this results in a finer-sounding and more stable performance over the entire lifetime of the RE 290 (over 15 years expectancy).
A certain charm of tube amplifiers is the ability to explore the sonic properties of different tube types. Whether rare NOS models or new tubes such as the KT120, the OCTAVE RE 290 allows the use of various pin-compatible output tubes. In order to allow optimal operation of a diverse range of output tubes of different power classes, a switching circuit is included on the rear panel of the amp. The bias of the output tubes can be fine-tuned in three steps. Other features enhancing ease of use and operation include the ECOmode, the optional connection for the external Black Box or Super Black Box capacitance upgrade modules, as well as switchable RCA and XLR inputs.
Technical Data
| Power Output | 2 x 90/130 Watt into 4 Ohm in High Power Mode 2 x 70/90 Watt into 4 Ohm in Low Power Mode |
| Frequency Response | 5 Hz - 85 kHz / - 3 dB |
| Total Harmonic Distortion | < 0,1% at 10 Watt into 4 Ohm |
| Signal-to-Noise Ratio | > 100 dB |
| Minimum Speaker Impedance | 2 Ohm |
| Gain / Input Sensitivity RCA | + 28 dB / 0,8 V |
| Connections | 1 x RCA 1 x XLR Input |
| Features | ECO Mode, Bias Adjustment, Power Management |
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Octave RE 290 Stereo Power Amplifier
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