The amp section of the OTTAVA succeeds the Technics Reference System design concept and embraces a fully-digital amp configuration equipped with JENO Engine (Jitter Elimination and Noise-shaping Optimization) in order to deliver all of the audio data contained in the high-resolution sound source faithfully to the speakers without loss.
61552
TECH-SC-C70EB-SIL
Brand-new, unused, unopened and undamaged item in original retail packaging (where applicable).
New
Limited 1 year warranty More info
Limited 1 year warranty. Please see manufacturer's website for full details.
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The amp section of the OTTAVA succeeds the Technics Reference System design concept and embraces a fully-digital amp configuration equipped with JENO Engine (Jitter Elimination and Noise-shaping Optimization) in order to deliver all of the audio data contained in the high-resolution sound source faithfully to the speakers without loss. Moreover, the OTTAVA is equipped with three units of the same JENO Engine as those used in our high-end models to optimally drive the built-in speakers, thus achieving a high-quality, integrated hi-fi system that meets Technics standards.
It adopts a bi-amp structure to separately drive the woofers (low-frequency sound) and tweeter/mid-range speaker units (mid-/high-frequency sound), and utilises the high-performance signal processing circuitry (DSP) mounted in the JENO engine to achieve precise channel dividing, adjustment of time alignment between speaker units, and correction of frequency characteristics.
The aluminium top panel not only gives an attractive appearance but also enhances the cabinet rigidity.
The top-loading CD player beautifully illuminates the disc placed inside. The analogue-like operating feel gives greater pleasure for listening to your favourite CDs.
The touch keys are built into the top aluminium panel, achieving a clean and smooth design and high-quality operating feel.
The louver front grille protects the speaker units and expresses the expansive and powerful sound reproduced by the OTTAVA.
The LAPC technology is applied even to the control of sound characteristics to realise "Space Tune" for correcting changes in frequency characteristics that occur in actual use due to installation conditions.
LAPC is an original Technics speaker load adaptive technology. It measures the amp's frequency amplitude phase characteristics with speakers connected to the unit, and performs digital signal processing to achieve the ideal impulse response. Characteristic parameters optimised for the low-frequency and high-frequency speaker load characteristics of speakers are already pre-set in the LAPC computation circuit of the unit to realise ideal frequency and phase characteristics over the entire frequency range.
The OTTAVA is equipped with newly developed acoustic lenses featuring the “reverse dome-shape fin” structure. The rear of the fins are shaped to match the form of the soft-dome diaphragms of the tweeters, and positioned closely to the speaker units to provide long sound paths. This realises a wide directionality, expanded sound field and detailed high-frequency sound reproduction capability over the frequency range of 11 kHz to the high-res range. The fins are continuously connected to the Acoustic Louver on the front side to minimise disturbance to the high-frequency characteristics.
The speaker system consists of three types of newly developed speaker units. The high-res dome tweeters feature silk diaphragms that boast an excellent damping factor and smooth sound characteristics. The mid-range speaker units maintain an appropriate peak level and achieve seamless crossover. The woofers, which must reproduce the sound source faithfully even during high-power input, are provided with a large edge made of high-strength NBR (nitrile rubber) with a superb amplitude linearity as well as tough and flexible high-strength fiber dampers to powerfully support the large-motion voice coil bobbins. Coupled with the dual bass-reflex ports, these three types of speaker units reproduce sound over an ultra-wide frequency band in a range of 40 Hz to 50 kHz.
Regular power supplies use one transformer to supply power to the amp, CD drive, and digital circuits, and so if there is any load fluctuation or if noise occurs on a circuit, other circuits are affected, which results in degradation of the sound quality. This power supply system includes independently installed switch mode power supply circuitry for the amp and the other circuits, which eliminates mutual interference, thereby reducing degradation of sound quality caused by noise or power supply fluctuations. In addition, a layout with dedicated transformer and amp circuits enables the shortest possible connection to further reduce noise.
Supports a wide variety of music sources and high connectivity
The Optimally Activated Circuit System shuts down unneeded circuit and display to minimise the noise generated during playback.
The high-precision signal processing circuitry of the JENO Engine is utilised to expand the frequency band of Bluetooth and Internet radio sources, in which high-frequency signals are commonly lost due to signal compression, to a range equivalent to that of a CD source. This eliminates the lack of expansiveness in high-frequency sound and the loss of sound details for enhanced sound quality.
| Front Speaker | 30 W + 30 W (1 kHz, T.H.D. 1.0 %, 6Ω, 20 kHz LPF) |
|---|---|
| Subwoofer | 40 W (70 Hz, T.H.D. 1.0 %, 4Ω, 20 kHz LPF) |
| Speaker Unit | Woofer : 8 cm Cone Type x 2 Tweeter: 2 cm Dome Type x 2 Subwoofer: 12 cm Cone Type |
| Analogue Input Terminal | AUX IN x 1 (DIA = 3.5mm) |
| Digital Input Terminal | Optical Digital x 1, USB-A |
| Headphone Output | Yes (DIA=3.5mm) |
| Disc Compatibility | Audio CD, CD-R/CD-RW (CD-DA, Discs recorded and finalized on recording devices) |
| WAV | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
|---|---|
| FLAC | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
| DSD | Yes (2.8 MHz, 5.6 MHz) |
| AIFF | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
| ALAC | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
| AAC | Yes (32, 44.1, 48, 88.2, 96 kHz / 16-320 kbps) |
| WMA | Yes (32, 44.1, 48 kHz / 16-320 kbps) |
| MP3 | Yes (32, 44.1, 48 kHz / 16-320 kbps) |
| WAV | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
|---|---|
| FLAC | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
| DSD | Yes (2.8 MHz, 5.6 MHz) |
| AIFF | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
| ALAC | Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 kHz / 16, 24 bit) |
| AAC | Yes (32, 44.1, 48, 88.2, 96 kHz / 16-320 kbps) |
| WMA | Yes (32, 44.1, 48 kHz / 16-320 kbps) |
| MP3 | Yes (32, 44.1, 48 kHz / 16-320 kbps) |
| Ethernet Interface | LAN (100 Base-TX / 10 Base-T) |
|---|---|
| Wi-Fi | IEEE 802.11 b/g/n, 2.4 GHz Band (1-13 Channel) |
| AirPlay | Yes |
| Bluetooth (Support CODEC) | Yes (AAC, SBC) |
| VTuner / Spotify / TIDAL | Yes / Yes / Yes |
| Tuner | DAB/DAB+/FM |
| Power Supply | AC 220-240 V, 50 Hz / 60 Hz |
| Power Consumption | 45 W |
| Weight | Approx. 7.8 kg |
| Accessories | Remote Control, AC Cord, DAB indoor antenna, Owner's Manual, Batteries for Remote Control |
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