Buy your Brook 22A Schematic




8/5/2021 2:19
It is 2:19 here in the UK, orders placed
will probably be sent after 07:30
PayPal Logo
Brook 22A schematic circuit diagram download

Check your PayPal Email is correct!
Email me to advise different Email to send to
Please ensure
Javascript is enabled!!

Brook 22A Specification spec data sheet


The following notes are automatically scraped from Google,DuckDuckGo,
Yahoo and Yandex by an Artificial (not so) Intelligent algorithm
CountryUnited States of America (USA)
ManufacturerBrook Electronics Inc.; Elizabeth, N.J.
Model22-A - Brook Electronics Inc.;
YearAudio Amplifier
Valves9: 6SJ7 6C4 12AU7 12AU7 6C4 6C4 2A3 2A3 5U4G
TechnologyAudio-Amplification
Wave Bands- without
Power TypeAlternating Current supply (AC) / 110-120 Volt
SourceMyFile: Brook-22A.Amp.gif


TypeConfigurationYearBaseEquivalents
6SJ7Pentode1938IO6SJ7Y CV591 VT116
6C4TriodeB7GCV133 CV852 EC90 L77 V741
12AU7Double Triode1951B9A6067 B329 CV491 E2163 ECC82
12AU7Double Triode1951B9A6067 B329 CV491 E2163 ECC82
6C4TriodeB7GCV133 CV852 EC90 L77 V741
6C4TriodeB7GCV133 CV852 EC90 L77 V741
2A3Triode1936UX4CV1831
2A3Triode1936UX4CV1831
5U4GFW Rectifier1938IO53KU 5T4 CV575 CV1575 U52 VT244