Tweeters have been tested and are in good working order. Both produce nice clear sound and measure 6.4 & 6.7 ohms. They were pulled from a pair of SDA-1 speakers. Look at the pictures and feel free to ask any questions.

SureLock Digital TV Antenna Signal Finder - SL1000. Condition is Used. Shipped with USPS Ground Advantage.

Grundig Boxen SL1000 „high fidelity“. Biete hier die Boxen meines Vaters aus den 70er Jahren an. Die Boxen sind voll funktionsfähig, nur leichte Gebrauchsspuren vorhanden.

KING SL1000 SureLock Digital TV Antenna Signal Finder Description SureLock Digital TV Signal FinderUse the SureLock for a fool-proof way to locate a TV signal no matter where you are. If your antenna can get the signal, the SureLock can find it!Since the digital transition in 2009, pointing your directional RV TV antenna is difficult and often time consuming. Unless you are pointed at the TV tower, you wont get channels when doing a channel scan. But you dont know if you are pointing at a tower unless you can do a successful channel scan. The SureLock was designed to simplify this process and ease your frustrations. The meter connect in-line with your TV antenna, provides LED feedback for signal strength and has a variable sensitivity adjustment to work both near and far from the TV towers. Shipping Information Every product is packaged carefully for safe travel. A tracking number will be provided to you as soon as your order ships. This product ships from the United States and will either be sent UPS, FedEX and/or USPS Priority for a quick delivery.

KING SL1000 SureLock Digital TV Antenna Signal Finder Description SureLock Digital TV Signal FinderUse the SureLock for a fool-proof way to locate a TV signal no matter where you are. If your antenna can get the signal, the SureLock can find it!Since the digital transition in 2009, pointing your directional RV TV antenna is difficult and often time consuming. Unless you are pointed at the TV tower, you wont get channels when doing a channel scan. But you dont know if you are pointing at a tower unless you can do a successful channel scan. The SureLock was designed to simplify this process and ease your frustrations. The meter connect in-line with your TV antenna, provides LED feedback for signal strength and has a variable sensitivity adjustment to work both near and far from the TV towers. Shipping Information Every product is packaged carefully for safe travel. A tracking number will be provided to you as soon as your order ships. This product ships from the United States and will either be sent UPS, FedEX and/or USPS Priority for a quick delivery.