Hello,
I recently got enough time to perform a teardown on the Burson Soloist 3X GT (2023 revised model) and I'm pleased to see very good quality electronic components inside and, of course, a different design than most other manufacturers. Although it's based on a classic A/B design, the way Burson was alternating SMPS regulators chained with Linear ones is interesting. Also, the high bias current make it one of a kind, though it's rather non-ECO and probably many folks will consider this a rather lowlight.
Then package contains the amplifier, the small shiny remote control, but also several accessories and the 5532 opamps too
Driving two headphones at both 6.3mm jack and 4-pin XLR if piece a cake
The OLED display -> Settings
Choosing between Headamp and Pre-Out, but also Sub-Out or No Sub-Out
Choosing the desired input
The blue light components are the "SP2" modules based on very low-noise linear regulators (four used on analogue parts and one for the digital parts)
Six V6 Vivid dual solid-state opamps containing
Side look
Close up with the opamps and the Panasonic relays used for In/Out operations
A look inside Burson V6 solid-state opamps
The output stage pairs of complementary 2SD2061 and 2SB1369 transistors
Backside of the output transistors
Backplate / Heatsink for the output stage transistors
The MUSES 72323 digital volume control chip
Headphones protection done around the dedicated C1237HA chip
Optical IR protection in case the top case gets open
Input / Output expansion chip PCF8574AT
The SP2 linear module created around the low noise LT3094 chip
The SP2 linear module created around the low noise LT3045 chip
Low noise Noctua fan situated on top of the amplifier board blows discretely the heat outside the case
Temperature on the case while listening to low volume
I measured on Pre-Out a SINAD of 107.4 dB vs. the 100 dB stated by the manufacturer
I measured on 4-pin Headphones-Out a SINAD of 100.2 dB vs. the 93-94 dB stated by the manufacturer
I recently got enough time to perform a teardown on the Burson Soloist 3X GT (2023 revised model) and I'm pleased to see very good quality electronic components inside and, of course, a different design than most other manufacturers. Although it's based on a classic A/B design, the way Burson was alternating SMPS regulators chained with Linear ones is interesting. Also, the high bias current make it one of a kind, though it's rather non-ECO and probably many folks will consider this a rather lowlight.
Then package contains the amplifier, the small shiny remote control, but also several accessories and the 5532 opamps too
Driving two headphones at both 6.3mm jack and 4-pin XLR if piece a cake
The OLED display -> Settings
Choosing between Headamp and Pre-Out, but also Sub-Out or No Sub-Out
Choosing the desired input
The blue light components are the "SP2" modules based on very low-noise linear regulators (four used on analogue parts and one for the digital parts)
Six V6 Vivid dual solid-state opamps containing
Side look
Close up with the opamps and the Panasonic relays used for In/Out operations
A look inside Burson V6 solid-state opamps
The output stage pairs of complementary 2SD2061 and 2SB1369 transistors
Backside of the output transistors
Backplate / Heatsink for the output stage transistors
The MUSES 72323 digital volume control chip
Headphones protection done around the dedicated C1237HA chip
Optical IR protection in case the top case gets open
Input / Output expansion chip PCF8574AT
The SP2 linear module created around the low noise LT3094 chip
The SP2 linear module created around the low noise LT3045 chip
Low noise Noctua fan situated on top of the amplifier board blows discretely the heat outside the case
Temperature on the case while listening to low volume
I measured on Pre-Out a SINAD of 107.4 dB vs. the 100 dB stated by the manufacturer
I measured on 4-pin Headphones-Out a SINAD of 100.2 dB vs. the 93-94 dB stated by the manufacturer
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