PEARL's AUDIO NOTE SERIES AND LITERATURE ARCHIVE



   

THE AUDIO NOTE SERIES

 

AN
0.3

  Index to the PEARL Archive of Vacuum Tube Technology
Note that this document is updated approximately monthly as new items are uploaded to our site. All downloads presently available can be accessed through the PEARL Archive listings below.

150
KB

 

AN
0.4

  Vacuum Tube Electronics: A Review of the Major Texts:
Scott authoritatively reviews scores of the classic textbooks on vacuum tube theory, implementation, construction and so on . . . . highly recommended. Presented here with the permission of
Scott Frankland.

298
KB

 

AN
1.3

  PEARL Tube Coolers and Equipment Reliability:
82 pages of text, drawings, reviews and ordering information on the well-known PEARL tube coolers. In production for nearly two decades, this humble, sensibly priced accessory has been sold to the extent of approximately 300,000 pieces worldwide.

12
MB

 
 

AN
1.5

  PEARL Tube Coolers - A Quick Start Guide:
A 4 page guide to the basic theory of operation and installation of our tube coolers

1
MB

 

AN
2.1.1

  A Little Input on Audio Output Transformers & Update:
Some basic transformer theory and specifications on PEARL's high power, ultra-wide bandwidth output transformers.

The Update covers ultra-linear operation implemented with a separate screen winding and regulated, screen power supply.

151
KB

 

AN
6.2

  Getting the Shake and Rattle Out of Your Rock and Roll: Suppressing Microphonic Output from Vacuum Tube Gear -
Information on microphony in general and PEARL Iso-sockets in particular.

76
KB

 

AN
7.1

  Iso-socket Installation Instructions:
The title says it all . . .

1
MB

 

AN
8.1

  The Measurement of Microphonic Effects in Vacuum Tubes:
A very informative discussion of microphony

68
KB

 
 

AN
9.1

  Making Contact with Your Tubes:
How to clean the heavy oxides from through-glass pins of tubes using same for connection with socket contacts.

60
KB

 
 

AN
23.1

  The PEARL SC 280 Monoblock - Notes on a Work in Progress:
Although the title does say it all, these notes were written in 1990/2 and although much work has been done since then, no notes documenting that work have been written as yet.

232
KB

 
 

AN
23.2

  The PEARL SC 280 Monoblock - Notes on a Work in Progress:
This is an Update to AN 23.1

356
KB

 

   

 

 

 

   

 


PEARL ARCHIVE OF VACUUM TUBE TECHNOLOGY


 

........Download the Index to the PEARL Archive of Vacuum Tube Technology

150 KB


Volume 1 - Power Amplifiers


  Sec. 1   Amplifier Basics - 16 Articles
         
  Sec. 2   Ultra-linear Amplifiers - 23 Articles
         
  Sec. 3   Mcintosh Unity-coupled Amplifier - 15 Articles
         
  Sec. 4   Triode Connected Tetrodes - 4 Articles

 

         
  Sec. 5   Constant Current Output Stages - 4 Articles
         
  Sec. 6   The Williamson Amplifier - 4 Articles
     

 


Volume 2 - Power Amplifiers - continued


Sec. 7    
  Sec. 8    
  Sec. 9    
  Sec. 10    

 

  Sec. 11    
  Sec. 12    
  Sec. 13    

MISCELLANEOUS DOWNLOADS


  This page is posted as something of a precursor to the construction of our site. Here we've made available a number of PDF files that will eventually be available from our site's main navigation page(s). In the meantime, and so that those viewing posts archived on various list servers will find live links in the future we will keep this page as permanent resource.

 





 

Visitors since
Feb. 1, 2009