Which digital input to use? Technics SU-R1000 or Technics SL-G700

Every single thing I've read on the SU-G700 and SU-R1000 never mentioned either as having/using an off the shelf DAC. I believe the DAC process was conceived and done by Technics, in house.

All input signals (analog and digital) go through a ADC (Burr Brown PCM1804)and it's only before the speaker outputs is where it's converted back to analog.

Two different retailers that sell them couldn't tell me how the DAC is done except to quote Technics explanation of how they do it in general terms and that it's not an off the shelf DAC. I could be wrong but it's what I found out. 

All the best,
Nonoise

I'll be honest I had the SU-G700 and I believe that had a Burr Brown chipset for it's DAC, I really enjoyed the sound. Now I've had the SU-R1000 for a week, with only two listening sessions in and none of them too loud thanks to my pregnant wife. But I know it has a AKM chip, not the Burr Brown, and there absolutely is a difference.

@georgehifi more neutral then the SU-G700, that's for sure, but I also got my new speakers too so my entire system is new. Heads still spinning. Previously had a lot of enjoyable time with my KEF LS50 Meta's and SU-G700, but now have the SU-R1000 and JBL L100 Classic 75's.

All an all when I did listen straight from my streamer (Innuous Zenith) to the SU-R100 I noticed more detail, but I've honesty not given it nearly enough time to even speak about it.

I need to just get my wife out of the house and settle in to my chair and listen.

stephencowslip

Just to ad to my last post.

From the Technics SU-R1000 website. https://ibb.co/ZMzp75n

https://www.technics.com/us/products/reference-class/su-r1000.html

Cheers George

There is no DAC in the Technics machines.  It is a PCM to PWM converter......done in software.....same as the original TACT Millennium and all the current Lyngdorf amps.  The A to D converter is an AKM as shown in their literature......not a Burr-Brown.....unless they had to switch to Burr-Brown because the the fire at AKM factory.

As a tribute to the Technics engineers, there’s a lot going on inside this box. It is a credit to their talent that this is no mere chip amp, or basic A/B amplifier, especially for this price. This amplifier is built like a ten-thousand dollar amplifier, albeit a little different than what a lot of you might be used to. The SU-G700 is a digital amplifier. Digital sources stay in the digital domain all the way through, while analog sources are converted to 24-bit/192kHz digital by a Burr-Brown 1804 A/D converter. Keep in mind that anything connected to one of the two analog inputs (including phono) is also converted to digital.

That is from a Tone Audio review and

Analogue input is converted with high precision to a digital signal by the high quality 192-kHz/24-bit A/D converter [Burr-Brown PCM1804 (Texas Instruments)], so the high-purity sound reproduction capability of the full-digital system can be maximised in playing back analogue sources. High-definition switching relays are used for signal switching

.
This is from Technics own website. It's always been the BB 1804. The AKM DAC is used in their SACD/streamer player.

All the best,
Nonoise