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Mullard GZ37 (CV378) Full wave rectifier - gray plates o-getter - first series (1962)
Factory code IS1 B2H4
IS1 = GZ37 1st series
IS1 = GZ37 1st series
B = Blackburn factory
2 = Year of manufacture 1962
H = Month of July
4 = 4rd week
- Date code
- IS1 B2H4
- Factory
- Mullard, Blackburn
- Year of Manufacturing
- 1962
- Generation
- 1st
- Condition
- OEM package NOS, come in white boxes
- Label markings
- label & serial number readable
- Plate
- Gray
- Getter
- O-getter
- Glass
- Tall coke bottle
- Base
- Miconol
- Tested with
- Amplitrex AT-1000
- Rectifier A -rev
- 19 V
- Rectifier A-fwd
- 389 V
- Rectifier B-rev
- 18 V
- Rectifier B-fwd
- 387 V
GZ37-0001
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