( 01 / 01 )Yamaha RX-A8A AVReceiver11.2-Channel
Yamaha AVENTAGE RX-A8A is an 11.2-channel AV receiver with 8K HDMI, MusicCast, Surround:AI, CINEMA DSP HD³, Dolby Atmos, DTS:X and AURO-3D.
Key Features
- 11.2-channel amplification; rated 150 W/ch (20 Hz–20 kHz, 0.06% THD, 8 Ω, 2-channel driven)
- Dual 384 kHz / 32-bit ESS Hyperstream DAC ES9026PRO; high slew-rate amplifier; A.R.T. Wedge
- Surround:AI; CINEMA DSP HD³ (24 programmes); Dolby Atmos / Height Virtualization; DTS:X; AURO-3D
- YPAO multipoint with R.S.C., 3D, 64-bit EQ, low-frequency mode and angle measurement
- HDMI 7 in / 3 out (HDMI 2.1 / HDCP 2.3): 8K/60, 4K/120, eARC/ARC, HDR10+, Dolby Vision, HLG, VRR, ALLM
- MusicCast; Wi-Fi 2.4/5 GHz; AirPlay 2; Bluetooth 4.2 (SBC/AAC) with audio send
- Phono input; balanced XLR analogue in; 11.2-ch pre-outs; Zone 2 / 3 / 4
Overview
Flagship AVENTAGE receiver for reference cinema and music. Speaker terminals support layouts including 7.2.4, with assignable EXTRA SP terminals for presence, bi-amp or multi-zone use.
Specifications
Figures from the Yamaha RX-A8A User Guide Specifications appendix (printed pp. 434–441), corroborated by the Yamaha USA specs page. Electrical values prefer Asia / General (AC 220–240 V) for South Africa; UK / Europe / Russia AC 230 V and DAB are labelled separately. Metric throughout. No price or stock.
Amplifier
Source: Yamaha RX-A8A User Guide, Audio Section, printed p. 437; DAC / channel count from Yamaha USA specs.
| Channels | 11.2 |
|---|---|
| Rated output (2-ch driven, 20 Hz–20 kHz, 0.06% THD, 8 Ω) | 150 W/ch (Front, Surround, Surround Back, Front Presence, Rear Presence); Center 150 W |
| Rated output (2-ch driven, 1 kHz, 0.9% THD, 8 Ω) | 165 W/ch (same channel set); Center 165 W |
| Power output (1-ch driven, 1 kHz, 0.9% THD) | 185 W (8 Ω); 200 W (6 Ω); Front 230 W (4 Ω) |
| Maximum effective power (1-ch, 1 kHz, 10% THD) | 220 W (8 Ω); 250 W (6 Ω) |
| Damping factor (Front, 1 kHz, 8 Ω) | 140 or more |
| High slew rate amplifier | Yes (Yamaha USA specs) |
| DA converter | 384 kHz / 32-bit ESS Hyperstream DAC ES9026PRO ×2 (Yamaha USA specs) |
| THD (AUDIO to Front, Pure Direct, 20 Hz–20 kHz, 75 W, 8 Ω) | 0.05% or less |
| S/N (IHF-A, Pure Direct, speaker out) | PHONO 95 dB or more; AUDIO 110 dB or more |
| Frequency response (AUDIO to Front, Pure Direct) | 10 Hz–100 kHz (+0/−3 dB) |
Surround and audio processing
Source: User Guide Compatible Decoding Formats (p. 436) and HDMI Audio Format (p. 435); Surround:AI / CINEMA DSP from Yamaha USA specs.
| Surround:AI | Yes |
|---|---|
| CINEMA DSP | HD³ (24 programmes) |
| Dolby | Atmos, Atmos Height Virtualization, TrueHD, Digital Plus, Digital, Surround |
| DTS | DTS:X; DTS-HD Master Audio; DTS-HD High Resolution; DTS Express; DTS; DTS 96/24; DTS-ES Matrix/Discrete 6.1 |
| AURO-3D | Yes (post-decoding) |
| Post decoding | Dolby Surround; Neural:X; AURO-3D |
| YPAO | Multipoint with R.S.C., 3D, 64-bit high-precision EQ, low-frequency mode, angle measurement |
| Bi-amp capability | Yes |
HDMI and video
Source: User Guide HDMI Features / Video Format / Content Protection (pp. 434–435).
| HDMI inputs / outputs | 7 in / 3 out (HDMI OUT 3 dedicated zone out) |
|---|---|
| HDMI features | 8K/4K Ultra HD (incl. 4K/120 Hz, 8K/60 Hz); ARC; eARC; HDMI Control (CEC); Auto Lip Sync; Deep Color; x.v.Color; BT.2020; HDR; HDR10+; Dolby Vision; HLG; ALLM; VRR; dedicated HDMI zone output |
| Video formats (repeater) | Up to 8K/60–24 Hz; 4K/120–24 Hz; 1080p/120 Hz and lower as listed in User Guide |
| Content protection | HDCP 1.4 / 2.3 |
| Audio formats over HDMI | Dolby Atmos / TrueHD / Digital Plus / Digital; DTS:X / DTS-HD MA / HR / Express / DTS; DSD 2–6 ch (2.8 MHz); PCM 2–8 ch (max 192 kHz/24-bit) |
Inputs / outputs
Source: User Guide Input / Output jacks (p. 434).
| Analogue audio in | Unbalance ×6 (including PHONO); Balance (XLR) ×1 |
|---|---|
| Digital audio in | Optical ×3 (32–96 kHz); Coaxial ×2 (32–192 kHz) |
| HDMI | In ×7; Out ×3 |
| Speaker out | ×13 (11 ch) with assignable EXTRA SP 1/2/3 |
| Pre out | ×15 including Front balanced and Subwoofer 1/2 |
| Zone out | ZONE2 L/R, ZONE3 L/R |
| Other | Headphone ×1; USB ×1 (USB 2.0, 1.0 A); NETWORK (100Base-TX/10Base-T); YPAO MIC; REMOTE IN/OUT; TRIGGER OUT ×2 |
Network, Bluetooth and tuner
Source: User Guide Network / Bluetooth / TUNER / FM (pp. 435–436, 440). Asia / General FM preferred for SA; DAB only for UK / Europe / Russia / Australia models.
| Wi-Fi | IEEE 802.11 a/b/g/n/ac (20 MHz channel bandwidth only); WPS; WEP, WPA2-PSK (AES), Mixed Mode |
|---|---|
| AirPlay 2 | Yes |
| Bluetooth | Ver. 4.2; Class 2; max ~10 m; sink A2DP/AVRCP (SBC, AAC); source A2DP/AVRCP (SBC) |
| MusicCast / internet radio / streaming | Yes (services vary by region) |
| FM tuning (Asia / General models) | 87.5/87.50 MHz – 108.0/108.00 MHz |
| FM 50 dB quiet sensitivity (mono) | 3 μV (20.8 dBf) |
| DAB (UK, Europe, Russia, Australia models only) | 174.928–239.200 MHz (Band III) |
General
Source: User Guide General (p. 441). Asia / General power supply preferred for South Africa.
| Power supply (Asia / General) | AC 220–240 V, 50/60 Hz |
|---|---|
| Power supply (UK / Europe / Russia) | AC 230 V, 50 Hz |
| Power consumption | 600 W |
| Standby (HDMI Control / Standby Through / Network Standby Off) | 0.4 W |
| Maximum power consumption (Asia / Brazil / C&S America / General; all ch 10% THD) | 1370 W |
| Dimensions (W × H × D) | 435 × 192 × 477 mm |
| Dimensions with wireless antenna upright | 435 × 271 × 477 mm |
| Weight | 21.4 kg |
Datasheets
Public manufacturer documents (link only — this does not add a downloads module):
