B&K
| Brand on Tube | B&K |
|---|
| Real Tube Manufacturer | Amperex |
|---|
|
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| Country | Holland |
|---|
| Etched code on Tube | I63 Delta1B3 |
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| Factory Code | ∆ - Philips, Copenhagen |
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| Tip Shape | Pinched Tip |
|---|
| Glass Color | Clear Glass |
|---|
| Mica | Double Mica |
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| Getter Support | One |
|---|
| Plate Look | Ribbed / Scale |
|---|
| Plate Size | 14mm |
|---|
| Plate Color | Matte Gray |
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| Pin Color | Silver Pins |
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