Check the listing for details. NF DV-4BE-DC 1KHz 70dB BEF Active Filter. Condition: Used. Listed at 350.00 USD. NF DV-4BE-DC 1KHz 70dB BEF Active Filter Description 1KHz Band Eliminate Butterworth Filter >70dB 8th Filter element Attenation >70dB type 72dB Frequency acc 1% Q=5 MaxInput 7Vrms 50Kohm Output 100ohms load >10Kohm Gain +-0.5dB Distortion 0.1% at 7Vrms Noise 250uV (10Hz-500KHz) DC +-15V 40mA Size 53*53*100 PIN 1 +B 15V 2 Output 3 -B -15V 4 Case GND 5 Input 6 GND 7,8 NC Accessory Payment Accept PayPal / Credit Card / etc. Please pay within 5 days after the auction closed. Shipping Shipping is EMS / TNT / Fedex / DHL / UPS etc If you have any carrier account , We can use it. About other area, please ask me. When you purchase two or more my items, I can send them together and discount shipping cost. Returns One month 5days return right International Buyers - Please Note: * Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. * Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. * These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges. * We do not mark merchandise values below value or mark items as "gifts" - US and International government regulations prohibit such behavior. business hours Japan time Monday to Friday 9am~5pm About the Seller Hitech&Facility Co,Ltd since 1997. We specialize in Used Test Equipment in Japan. Hitech&Facility have been conducting transactions for thirty or more countries.