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GI-7BT in an SB-230 by N8GPQ Click on callsign for e-mail |
Pictures of a Heathkit SB-230 Conversion
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This conversion achieves over 500W output, with 40W drive, 2350 VDC on the anode and 24V
negative grid bias. Plate idle current is approximately 150mA.
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Click
on picture for zoom
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 Finished conversion, top view |
 Original SB-230 PA, top view |
 Original PA disassembled |
 New rear panel + added enclosure |
 Rear Panel with Fan & Tube Socket |
 GI7BT heater & cathode wiring |
 Rear View; Original PA Input ckt used |
 RF Compartment with GI-7BT air chimney |
 GI7BT Tube in Socket click for details |
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