if (navigator.appName == \'Microsoft Internet Explorer\') { if (navigator.appVersion.substring(0,1) < 4) { document.write(\"\"); } else { document.write(\"\"); document.write(\"\"); document.write(\"\"); document.write(\" BODY { background: }\"); document.write(\"\"); document.write(\"\"); }}else { //Default to Netscape settings. document.write(\"\");}VERY GOOD CONDITION HICKOK 600 TRUE DYNAMIC MUTUAL TRANSCONDUCTANCE TUBE TESTER

ONE OF THE MOST DESIRED AND TOP OF THE LINE TRUE MUTUAL TRANSCONDUCTANCE TUBE TESTERS - TESTS THE OLDER TYPES OF TUBES: 4, 5, 6, 7, OCTAL, LOCTAL, 7 PIN MINIATURE, AND 9 PIN MINIATURE TUBES AND SPECIALIZED MICRO-TUBES - CHECKS FOR OPENS, SHORTS, GAS, AND GIVES A TRUE MUTUAL TRANSCONDUCTANCE MEASUREMENT OF A TUBE\'S PERFORMANCE

The 600 will test from 4 pin antiques to 9 pin miniatures, and everything in between. It will test tubes like 45, 50, 2A3, 5U4, 6L6G, 6SN7, 12AX7, 6550, KT88, 6CA7, 5AR4 and a multitude more.

Photos are the actual HICKOK600Tube Tester- one photo shows a 6L6G under actual test

GOOGLE Hickok 600 for lots more info

Download a free copy of the instruction manual here:

Overall physical condition is very good, especially the panel.Includes both gird and plate leads.Roll chart moves smoothly. Caseis very good.The line cord is stiff and could be replaced.

Buyer to add $26. shipping (USA).

QUESTIONS? Please contact me before offerding.

PAYMENT INFORMATION: I don\'t use the or PayPal checkout or invoice systems because of SPAM and false messages. You can either use the \"PAY NOW\" button at the end of the sale, or send PayPal. IF YOU DON\'T HAVE OR USE PAYPAL, CONTACT ME FOR PAYMENT METHODS TO PAY ON PICKUP. I try to ship most items within 48 hours of payment. Iusually accept PayPal being shipped to confirmed addresses only. PAYPAL NOW REQUIRES A SIGNATURE UPON DELIVERY FOR ALL SHIPMENTS OVER $250.

INTERNATIONAL buyers: I accept all PayPal payments from International buyers for amounts up to $250. For larger amounts,email me.PayPal payments over $250. in valuesent only by Express Mail with tracking, insurance, and delivery signature.

SELLING INFORMATION: I try to inspect most of the equipment I list for sale, and to describe each completely & carefully. However, since some of the items can be over 60 years old, all items are sold \"as is\". Since I don\'t know the characteristics or condition of your equipment, no returns or adjustments on vacuum tubes. Almost every older electronic item will benefit from a careful alignment and cleaning or other restoration. Image may not be unique. I do not divulge reserve prices. Shipping charge may not include AK or HI. Some international shipping costs, especially to ITALY, may be higher than listed. Please contact me directly for any further information.