Author Topic: Burr Brown OPA627AP  (Read 2823 times)

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Offline mnkh27

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Re: Burr Brown OPA627AP
« Reply #15 on: February 15, 2007, 04:36:26 PM »
Hmm.. must go dig out that cap ayam and see. I wonder how much an improvement a cap ayam will have?

The mods may cost more than you amp. hahaha!

Offline calvinhpk

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Re: Burr Brown OPA627AP
« Reply #16 on: February 15, 2007, 04:39:05 PM »
yup..... this ops627ap cost you ard RM80 from RS Electronics per pcs, and it's a single type opamp
most amp uses minimum 2pcs of dual op amp, means u'll need 4pcs of opa627

Offline louis

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Re: Burr Brown OPA627AP
« Reply #17 on: February 15, 2007, 06:25:20 PM »
calvin u have 10 .. rich mannnnnnnnnnnnnnn /92 /92
beware!!!
the more u learn, the more u spend

Offline calvinhpk

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Re: Burr Brown OPA627AP
« Reply #18 on: February 15, 2007, 11:29:10 PM »
9pcs only

Offline izso

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Re: Burr Brown OPA627AP
« Reply #19 on: February 16, 2007, 03:49:09 AM »
*counts fingers*

Oh.. then these ICs cost more than the amp! Crap!

Offline nghooipeng

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Re: Burr Brown OPA627AP
« Reply #20 on: March 14, 2007, 12:45:26 PM »
Currently my HU come with front channel using OPA2134 and rear channel using OPA627. Tried to compare both, OPA2134 is more on more dynamics, high extention refine. While OPA627 is more is rounding, smooth, and warm.
HU: Abyss A-7 with Kimber Kable V-21
Preamp: Zelos Audio TUBE-A with Telefunken 12AU7
XO: Zelos Audio Z-7 with Burr-Brown OPA627
Drivers: Abyss G-1 Tweeter & Scanspeak 18W4831G00 Mid & JL Audio 12W7 Sub
Amps: Zelos Audio Verdi 4CH with Audioquest Type-4 & Abyss Power1.5K
Interconnects: DIY Pure Silver with WBT-0147 & Kimber Kable Silver Streak with WBT-0110 Cu & Audioquest Sub-3

Offline calvinhpk

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Re: Burr Brown OPA627AP
« Reply #21 on: March 14, 2007, 04:42:42 PM »
Currently my HU come with front channel using OPA2134 and rear channel using OPA627. Tried to compare both, OPA2134 is more on more dynamics, high extention refine. While OPA627 is more is rounding, smooth, and warm.
yes....that's what i've read
OPA2604 is more dynamic and better extention compare 2143

Offline mnkh27

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Re: Burr Brown OPA627AP
« Reply #22 on: March 14, 2007, 09:14:29 PM »
extension lah. /77

Offline calvinhpk

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Re: Burr Brown OPA627AP
« Reply #23 on: March 14, 2007, 10:37:36 PM »
extension lah. /77
hahaha...spelling error

Offline cbkhoon

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Re: Burr Brown OPA627AP
« Reply #24 on: March 16, 2007, 06:45:47 PM »
calvin & mike... any idea about this mod can be done on my esprit ?

anyone done this b4?

TQ

Offline calvinhpk

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Re: Burr Brown OPA627AP
« Reply #25 on: March 16, 2007, 09:52:49 PM »
calvin & mike... any idea about this mod can be done on my esprit ?

anyone done this b4?

TQ
ur esprit uses SMT type op-amp
need to buy reflow equipment only can resolder

Offline cbkhoon

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Re: Burr Brown OPA627AP
« Reply #26 on: March 16, 2007, 11:44:38 PM »
sorry... wat is reflow equipment  ??

is smt has different pin/package layout than the BB has??

Offline cbkhoon

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Re: Burr Brown OPA627AP
« Reply #27 on: March 16, 2007, 11:51:27 PM »
found this:
http://en.wikipedia.org/wiki/Surface-mount_technology

Calvin, i know wat is smt alredi...

that means my amp cannot be upgraded  /24