Early (1967) solid state Signal Generator. Both sine and square wave outputs work. Negative post on the sine wave side has the post broken off and black knurl nut missing. Otherwise it all works. See pictures for output wave forms that are provided by a sketchy old Heathkit scope so not all that accurate.

This item has been professionally inspected and is authentic.Sine Audio PA300 Black Wireless Bluetooth Class D Mini Power Amplifier UsedCondition: Used- Appears to be in nice shape - Includes whats pictured - Returns accepted - Please see photos before purchasingBrand: Sine AudioModel: Sine Audio PA300 Color: BlackType: Power AmplifierFeatures: DigitalAmplifier Class: DCountry/Region of Manufacture: China

Heathkit Manual Sine Square Audio Generator IG-5218 This is from 1975. Good condition apart from small tear around window corner as shown No Returns. Listed post is for Mainland UK.

Hello and thanks for looking at this SHENZHEN SAIYIN BY SINE AUDIO CLASS D MINI POWER AMPLIFIER PSA300+. PLEASE CHECK PHOTOS FOR YOUR OWN OPINION ON CONDITION. Shipping and handling cost will be $5.94 for this item. I will only ship to the lower 48 United States. I will only take payment methods accepted by eBay. Please contact me if you have any questions. Please take a look at any of my other items listed for combined shipping. When multiple auctions are won please wait for a invoice which includes shipping discounts. Thanks for your time and good luck bidding.

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

This comes as shown. It powers on, but I dont have a way to test it further.

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns

Knight KG-653 Sine Wave Audio Generator - Works! Dimensions: 10.25 x 9.5 x 7.5 inch Weight is approx. 11lbs.. If you have Questions or Comments contact me on eBay Please see click to enlarge photos for condition and quality. ITEM WILL BE CAREFULLY PACKED AND SHIPPED OUT FAST! Before bidding please read my shipping and return policy. MANY ITEMS ARE AVAILABLE FOR LOCAL PICKUP. PLEASE CONTACT US FOR DETAILS. NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. No returns! My Return Policy: Will not accept returns