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| To: | <[email protected]> |
|---|---|
| Subject: | LF: SPM-3 - deaf? |
| From: | "Dave G3WCB" <[email protected]> |
| Date: | Thu, 19 Jul 2007 23:36:27 +0100 |
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Dear LFers, I have just acquired a Wandel & Golterman SPM-3, but it seems a bit deaf. The wide-band setting works OK, but the "Selective" channel can't be calibrated, and is 15 dB low in gain. Looks like a popped front-end or a damaged input circuit. I've opened up the case, but all the innards are in screened metal boxes. Is this a common fault with this unit, and does anyone have experience of this fault? (and managed to fix it!) 73, Dave G3WCB IO91RM |
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