Sony · BRAVIA

BRAVIA A1

Released 2017

Sony's 2017 4K OLED TV series in 55, 65 and 77-inch UK sizes, with Acoustic Surface audio and Android TV.

Sizes: 55–77″
Panel: OLED
Refresh: –
HDR: Dolby Vision
HDMI 2.1: 0 of 4
Software: Android TV

What reviewers say

AVForums and HDTVTest praised the 65-inch A1's OLED contrast, colour, upscaling and screen-based sound. HDTVTest found its near-black gradation cleaner than earlier OLEDs, but its sample had faint vertical near-black streaks and clipped some 4,000-nit HDR highlights. AVForums liked the picture and design but found Android TV imperfect and gaming lag relatively high.

From avforums.com and hdtvtest.co.uk

Specifications

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Display

Panel: OLED
Panel detail: Self-emissive OLED. HDTVTest measured a 120 Hz panel on its exact 65-inch UK review sample; Sony's UK sheets do not publish one native rate for all three sizes, so no series-wide Hz is assigned.
Resolution: 3840 × 2160 (4K)
HDR formats: HDR10, HLG, Dolby Vision
HDR extras: Sony UK says HDR10 and HLG are supported; Dolby Vision was added later by firmware, in April 2018 in Europe rather than at the 2017 launch.
Picture processing: X1 Extreme, 4K X-Reality PRO, Dual database processing, Object-based HDR remaster and Super bit mapping 4K HDR.
Motion handling: Sony lists Motionflow XR without a native Hz figure on its UK sheets. HDTVTest measured 120 Hz on the 65-inch UK sample, with 650 lines of motion resolution when Motionflow was engaged.
Viewing angle: HDTVTest measured a very wide 166-degree viewing cone on its 65-inch sample.

Sizes

Sizes: 55, 65, 77″
Largest size: 77″

Gaming

HDMI ports: 4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate: None
HDMI detail: Four HDMI inputs with HDCP 2.2 and ARC; HDTVTest found only inputs 2 and 3 accept 4K 60 Hz at higher bit depth/chroma. These are HDMI 2.0-era inputs, not HDMI 2.1 at 4K 120 Hz.
Input lag: HDTVTest measured 47 ms at 1080p and 31 ms at 4K on the 65-inch UK sample, in its tested modes.
Game features: Game and Graphics picture modes; no VRR or ALLM claim in Sony's UK A1 material.

Smart TV and sound

Smart TV platform: Android TV
Processor: 4K HDR Processor X1 Extreme
Speakers: 50 W, Acoustic Surface actuators and rear subwoofer channels
Wi-Fi: Wi-Fi 802.11a/b/g/n/ac
Bluetooth: Bluetooth 4.1
Speaker detail: Sony Acoustic Surface uses panel actuators and a rear subwoofer. Sony lists five 10 W outputs, totalling 50 W; both exact reviews praised sound alignment with on-screen action.
Casting: Chromecast built into Android TV, per Sony UK.
TV tuners: Two digital terrestrial/cable tuners and two satellite tuners; DVB-T/T2, DVB-C and DVB-S/S2.
USB: Three USB ports, one side and two bottom; Sony lists USB HDD recording.
Ethernet: One bottom Ethernet input.
Optical audio out: One bottom optical digital output.

Design and power

Size: Without support stand (W × H × D), Sony UK: 55″ 1228 × 711 × 86 mm, 65″ 1451 × 834 × 86 mm, 77″ 1721 × 997 × 99 mm. Sony separately gives a 7.8 mm thin panel section for 55/65; it is not the total depth.
Stand: Rear leaning support slate hides electronics and subwoofer; Sony's with-stand depth is 339 mm for 55/65 and 399 mm for 77. Sony UK announced 77-inch UK availability for late September 2017, after the smaller sizes.
VESA pattern: 400 × 200 mm for 55/65; 400 × 300 mm for 77.
In the box: Sony UK lists stand, voice remote, batteries, IR blaster, power cord, operating instructions and quick setup guide.

Sizes

Size	Model	Weight without stand
55″	KD-55A1	25 kg
65″	KD-65A1	29.8 kg
77″	KD-77A1	37.8 kg

Pros and cons

Pros

Deep OLED blacks and wide viewing angles
Strong upscaling and colour accuracy in exact reviews
Sound comes from the screen through Acoustic Surface actuators

Cons

Rear leaning support needs a deep TV cabinet
Only HDMI inputs 2 and 3 handle 4K 60 Hz with full enhanced chroma
Android TV and remote drew criticism in the AVForums review

Closest rivals

Model	Sizes	Panel	Refresh	HDR	HDMI 2.1	Software	Released
LGOLED B1	55–77″	OLED	120 Hz	Dolby Vision	2 of 4	webOS	2021
LGOLED B2	55–77″	OLED	120 Hz	Dolby Vision	2 of 4	webOS	Mar 2022
LGOLED B3	55–77″	OLED	120 Hz	Dolby Vision	2 of 4	webOS	Apr 2023

Sources

Photo: Sony Japan front product render of the corresponding regional KJ-65A1 A1-series model, with its original white background.

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