HP 712B Operating And Servicing Manual page 28

TABLE OF REPLACEABLE PARTS
Circuit -hp-
Mfr.
*
& Mfrs.
Ref. Description Stock No.
Designation
VI
Tube: 5R4GY
212-5R4GY
zz
V2
Tube: 5R4GY
212-5R4GY
zz
V3, V4,
Tube: 6L6GB (6L6, 6L6G, or 5881
212-6L6GB
zz
V5, V6 may be used)
V7 Tube: 5Y3GT
212-5Y3GT
Zz
V8 Tube: 6W6GT
212-6w6GT
zz
V9
Tube: 12AX7
212-12AX7
zz
VI0 Tube: 12AX7
212-12AX7
ZZ
VII Tube: 5651
212-5651
ZZ
V12
Tube: 12AX7
212-12AX7
ZZ
V13
Tube: 12AX7
212-12AX7
ZZ
.
-
,
*See "List of Manufacturers Code
Le~:.e6rs
For Replaceable Parts Table."