Onkyo Integra TX-DS939 AV Receiver
The TX-DS939 is a home theatre receiver from Onkyo’s Integra series, engineered to deliver powerful multichannel amplification alongside advanced digital surround processing.
Designed during the early era of discrete digital surround formats, the TX-DS939 integrates Dolby Digital decoding, robust amplification and comprehensive connectivity within a single chassis. Its high-current amplifier section was developed to provide stable performance across demanding loudspeaker loads while maintaining clarity and dynamic headroom for both music and movie playback.
The receiver incorporates multiple digital and analogue inputs, extensive signal processing capabilities and flexible system configuration options, allowing it to function as the central control hub of a complete home theatre system.
With its substantial construction, powerful amplifier stage and wide connectivity options, the TX-DS939 reflects the engineering focus of the Integra series — delivering performance and reliability for serious home entertainment installations.
Key Features
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Dolby Digital surround decoding
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High-current multichannel amplifier design
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Multiple digital and analogue audio inputs
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Integrated surround processing modes
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Comprehensive home theatre connectivity
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Solid chassis construction for system stability
Specifications
| Specification |
Detail |
| Amplifier Channels |
5-channel surround receiver |
| Power Output (Stereo Mode) |
120 W per channel RMS into 8Ω (20 Hz – 20 kHz, 0.05% THD, both channels driven) |
| Power Output (DIN) |
2 × 160 W into 6Ω |
| Power Output (Surround Mode) |
100 W per channel RMS into 8Ω (3 channels driven, 20 Hz – 20 kHz, 0.08% THD) |
| IM Distortion |
0.05% at rated power (front L/R stereo mode) |
| Damping Factor |
60 at 8Ω (front channels) |
| Input Sensitivity / Impedance |
Phono: 2.5 mV / 50 kΩ |
|
Line Inputs (CD, Tape-1, Tape-2, Video 1–7): 200 mV / 50 kΩ |
|
Amp In (L, R, C, LS, RS): 1 V / 50 kΩ (100 W output) |
| Output Level / Impedance |
Tape Rec Out: 200 mV / 2.2 kΩ |
|
Video Audio Out: 200 mV / 2.2 kΩ |
|
Pre-Out (L, R, C, LS, RS, Subwoofer): 1 V / 470 Ω |
| Phono Overload |
120 mV RMS at 1 kHz (0.5% THD) |
| Frequency Response |
20 Hz – 30 kHz ±0.5 dB (Line input, stereo mode) |
| RIAA Deviation |
20 Hz – 20 kHz ±0.8 dB |
| Tone Controls |
Bass ±10 dB at 50 Hz |
|
Midbass ±10 dB at 300 Hz |
|
Treble ±10 dB at 10 kHz |
| Signal-to-Noise Ratio |
Phono: 80 dB (IHF A, 5 mV input) |
|
Line: 100 dB (IHF A) |
| Muting |
−∞ dB |
Video Section
| Specification |
Detail |
| Video Input Sensitivity / Impedance |
Composite Video: 1 Vp-p / 75 Ω |
|
S-Video (Y): 1 Vp-p / 75 Ω |
|
S-Video (C): 0.28 Vp-p / 75 Ω |
| Video Output Sensitivity / Impedance |
Composite Video: 1 Vp-p / 75 Ω |
|
S-Video (Y): 1 Vp-p / 75 Ω |
|
S-Video (C): 0.28 Vp-p / 75 Ω |
The Onkyo Integra TX-DS939 represents a powerful and feature-rich AV receiver from the early generation of digital home theatre systems. Combining Dolby Digital decoding, strong multichannel amplification and extensive connectivity, it serves as a capable control centre for both music and film playback within a classic surround system.
Condition: Good
Colour: Black
Note: Product does not include additional accessories or original packaging
Dependant on stock availability
