Robert’s Burson V5 Opamp with Maverick D2 DAC

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Post Info

Used 3 SS-Audio v5 dual op-amps in Maverick D2 dac. Notice much more details when compared to opa 627, muse 8920 and LME 49720HA. Will have to listen longer to offer more assessment.

Robert K.

The System

Listening with

Maverick Audio TubeMagic D2 · DAC with tube pre-out and headphone output
  • Output power (headphone): 32 Ω 1 W · 300 Ω 0.5 W · 600 Ω 0.3 W
  • Output impedance: 600 Ω (RCA and tube pre-out)
  • Inputs: optical TOSLINK; coaxial RCA; BNC coaxial; USB
  • Outputs: RCA line; tube pre-out; headphone
  • DAC / chipset: Analog Devices AD1955; Tenor TE7022L (USB, 24-bit/96 kHz)
  • Other: SNR 117 dB (RCA), >100 dB (tube pre-out); THD <0.001% (RCA), <0.1% (tube pre-out); coaxial/optical to 24-bit/96 kHz; R-core linear supply

[1] [2]

Burson

Burson V5 Opamp · Discrete opamp (single / dual) · discontinued
  • Supply voltage: ±3.5 V to ±15 V (absolute maximum)
  • Gain-bandwidth product: 50 MHz (at 100 kHz)
  • Dual or single: dual and single (this post uses the dual)
  • Package: 14.5 mm wide × 12.4 mm deep × 29 mm high (V5-OPA-D)

[1]

Also in the system

OPA627 · Operational amplifier
  • Supply voltage: ±4.5 V to ±18 V (recommended); ±18 V dual-supply absolute maximum
  • Gain-bandwidth product: 45 MHz typ (OPA627AU/BU, gain = 1, CL = 30 pF); 16 MHz typ (OPA627AM/BM/SM)
  • Dual or single: single
  • Package: SOIC-8; TO-99

[2]

NJR/Nisshinbo MUSES8920 · Dual operational amplifier
  • Operating voltage: ±3.5 V to ±17 V
  • Supply voltage: ±18 V (absolute maximum)
  • Gain-bandwidth product: 11 MHz typ
  • Dual or single: dual
  • Package: DIP8; SOP8; DFN8

[3]

LME49720 · Dual operational amplifier
  • Supply voltage: ±2.5 V to ±17 V (recommended); 36 V absolute maximum (V+ − V−)
  • Gain-bandwidth product: 55 MHz typ
  • Dual or single: dual
  • Package: SOIC-8; PDIP-8; TO-99

[4]

Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.

  1. Burson V5 Opamp datasheet V1.1
  2. OPA627: PDF (ti.com)
  3. MUSES8920: PDF (nisshinbo-microdevices.co.jp)
  4. LME49720: PDF (ti.com)
  5. Maverick Audio TubeMagic D2: mav-audio.com (tubemagic_d2 page)
  6. Maverick Audio TubeMagic D2: mav-audio.com (d2_hardware page)