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Heider® H2 CAPIRRUNE Mic / Line Preamplifier
Heider® H2 CAPIRRUNE Mic / Line Preamplifier
US$949.00
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BB2521 Philips-5534 Full Kit Bundle
[BB2521-PH5534]
 US$9.91 
At least 1 component of this Bundle is out of stock

Click to enlarge

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The BB2521 Philips-5534 Full Kit Bundle is a full and complete parts kit with everything required to complete a BB2521 IC-Discrete Operational Amplifier build.

The original concept of the hybrid opamp is far from a new one. This circuit is heavily based on the output stage of the old B&B EQF-2 equalizer. B&B was eventually bought by Aphex somewhere around 1980. Just about every major pro audio manufacturer using chips and output transformers has used some variation of this concept including Aphex, ADM, Neve, Harrison, UREI and more.

The goal for this kit is low cost and ease of build while still being a very good sounding and useful operational amplifier. The BB2521 is all of that.

This kit comes with a NOS Philips Semiconductors NE5534N. This is a "one time batch" so once these are gone, I will never have them again. For kits containing other IC's, please visit the Hybrid subcategory.

Some of the applications the BB2521 opamp can be used for:
Microphone Preamplifiers
Line or Booster Amplifiers
Lossless Combining Amplifiers
Balanced Transformerless Amplifiers
Equalizers and Compressors

Additional features and specs:
Industry standard 2520 footprint for plug-in or PC mount connections
Low noise, high power output
Low distortion
Power supply voltage is bi-polar, consult IC's datasheet to determine operating voltage
A complete PDF assembly guide including BOM will be provided via email after purchase

***Please note: This item is a complete parts kit and PCB bundle. Full and complete assembly is required.

Additional information and photos:

Click to enlarge

Top

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Front Left

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Front Right

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Back

This product bundle contains the following items:
BB2521 IC-DOA PCB» 1 x BB2521 IC-DOA PCB
   442 pieces in stock
  US$2.75
BB2521 Parts Kit» 1 x BB2521 Parts Kit
   511 pieces in stock
  US$2.37
DIP8 Socket» 1 x DIP8 Socket
   22 pieces in stock
  US$0.96
NE5534N (Philips)» 1 x NE5534N (Philips)
   This product is out of stock
  US$1.95
DOA PCB Pin Set» 1 x DOA PCB Pin Set
   509 pieces in stock
  US$1.20
BD139-16» 1 x BD139-16
   343 pieces in stock
  US$0.49
BD140-16» 1 x BD140-16
   306 pieces in stock
  US$0.55

Cost of separate items: US$10.27

Your savings: US$0.36
This product was added to our catalog on Tuesday January 01, 2013.
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Classic Audio Products, Inc. is not affiliated with API. Customers and fans should not refer to Classic Audio Products, Inc. as "Classic API." API is a registered trademark of Automated Processes Incorporated. Classic Audio Products, Inc. has no affiliation with Automated Processes Incorporated.
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