Engl Artist Edition E651, Operator'S Manual

Page: 19 / 24

Tube Map:
Tube replacement report:
1. Replaced on: _ _ _ _ _ _ _ 20 _ _ _ Replaced by: _ _ _ _ _ _ _ _ _ _ _ _ _ _
Replaced tubes: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Reason: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
2. Replaced on: _ _ _ _ _ _ _ 20 _ _ _ Replaced by: _ _ _ _ _ _ _ _ _ _ _ _ _ _
Replaced tubes: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Reason: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
3. Replaced on: _ _ _ _ _ _ _ 20 _ _ _ Replaced by: _ _ _ _ _ _ _ _ _ _ _ _ _ _
Replaced tubes: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Reason: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
the tubes and their function:
V 5 - ECC83 (12AX7): input stage, 2. gain stage; grade: FQ selected.
V 6 - ECC83 (12AX7): Lead driver stage, 4. stage; grade: selected.
V 7 - ECC83 (12AX7): FX buffer stage, poweramp driver stage; grade: selected.
V 8 - ECC83 (12AX7): phase splitter; grade: standard.
V 1 to V 4 in E651 amp: EL34 power tubes, poweramp, matches sets.
V 1 to V 4 in E650-2 amp: 6L6GC power tubes, poweramp, matches sets.
19
V5 V6 V7 V8
V1 V2 V3 V4
Input
Mains
Transformer
Output
Transformer
amp chassis
as viewed
from above;
Front panel