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OPA627 preamp - diyAudio
https://www.diyaudio.com/forums/chip-amps/46534-opa627-preamp.html
OPA627 preamp I am on the point of building an OPA627/BUF634p pre-amp. I have looked up some old threads and found a lot of useful info, but I …
OPA627 + BUF634 Preamp PCB Design | diyAudio
https://www.diyaudio.com/community/threads/opa627-buf634-preamp-pcb-design.34785/
Vendors Audio Poutine Holton Precision Audio Elekit XRK Audio More Vendors... More. More Help Support Us Forum Rules. Log in. ... OPA627 + BUF634 Preamp PCB Design. ... A OPA627 can't drive a 50 ohms cable at high levels but is this the case? ...
OPA627 and OPA637 Precision High-Speed Difet® …
https://www.ti.com/lit/ds/symlink/opa627.pdf
• High-Performance Audio Circuitry Device Information(1) • Active Filters PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (8) 3.91 mm × 4.9 mm 3 Description OPA627 PDIP (8) 6.35 mm × 9.81 mm The OPA6x7 Difet® operational amplifiers provide a OPA637 8.95 mm (metal can new level of performance in a precision FET TO-99 (8) diameter) operational ...
Is there a better alternative to OPA627 OpAmp for audio ...
https://www.quora.com/Is-there-a-better-alternative-to-OPA627-OpAmp-for-audio-and-is-it-worth-the-32
Answer (1 of 5): OPA627 were quite popular in the late 1990’s through 2000’s for high-resolution audio. The key attributes that made it popular were its ultra-high-input impedance due to J-FET input (meaning it sounded consistent regardless of …
Is there a better opamp than the OPA627 ? | Headphone ...
https://www.head-fi.org/threads/is-there-a-better-opamp-than-the-opa627.77510/
I have opened up my Monolithic PS-1 phono preamp and find that its using two OPA132A's. I was thinking of putting in the OPA627 that I used in my Toshiba3960 mod but if there is an even better opamp, I would prefer to use that. Thanks in advance Neville
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