Retrovox Archives Technical Documention

Selected documents from the Retrovox Archives scanned at 300 dpi from the original hard copy documents. No copyright is implied or assumed. All files in Adobe Acrobat (pdf) format.

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Retrovox Archives downloads: technical papers, construction projects, application notes, valve data, circuit diagrams (schematics), complete handbooks, advertisments etc. Most is from mid-C20 Australian publication

VALVE MANUFACTURERS APPLICATION NOTES AND SPECIFICATIONS

6L6G Twenty-three pages. Application Report for STC 6L6G. STC Sydney Australia. PDF download 2.4 MB

 

6BQ5 Application Report for STC 6BQ5. Twenty-four pages with curves etc. STC Sydney Australia PDF download 1.9 MB

 

6CH6 Application Report for STC 6CH6. This 9-pin video pentode has similar audio operating conditions to 6BQ5/EL84. STC Sydney Australia PDF download 3 MB

 

807 Application Report for STC 807. Forty-three pages!! Almost everything you ever wanted to know about type 807. 26 different audio operating conditions with curves, pics, schematics. STC Sydney Australia PDF download 5.5 MB

 

3A/167M Application Report for STC 3A/167M loctal base triode. STC Sydney Australia PDF download 318 KB

 

5B/254M / CV428. Application Report for STC 5B/254M / CV428. STC Sydney Australia. Data for this type also applies to STC 5B/255M / CV391. These valves are compact loctal-based 807 equivalents PDF download 1.2 MB

 

3B/240M Application Report for STC 3B/240M loctal base tube. STC Sydney Australia PDF download 800 KB

 

6CD6GA Application report for STC 6CD6GA. This tube was normally used in TV receivers, and this report also contains details of audio operating conditions. STC Sydney Australia PDF download 1.3 MB

 

5881 Data for Tung Sol 5881. Tung Sol USA PDF download 340 KB

 

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