UpBright NEW AC Adapter For PreSonus TUBEPre Microphone Acousti-Q Studio Channel Tube Preamp 1st Version V1 Ver1 Pre Sonus TUBE Pre AcoustiQ CH Preamplifier Stereo Tube Preamp 16V - 18V Power Supply Input: 110V - 117V - 120VAC 60Hz or 220V - 230V - 240VAC 50Hz Suitable Input Voltage For Your Country/Area. Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright NEW AC / AC Adapter For PreSonus TUBEPre Microphone Acousti-Q Studio Channel Tube Preamp 1st Version V1 Ver1 Pre Sonus TUBE Pre Micro phone AcoustiQ Studio CH Tube Pre amp Mic Preamplifier Microphone Stereo Tube Preamp 16VAC - 18VAC Power Supply Cord Cable Battery Charger Mains PSU (Note: This replacement adapter is ONLY for PreSonus TUBEPre and BLUETUBE. NOT fit TUBEPre v2 and BLUETUBE v2. If you need adapter for TUBEPre v2 or BLUETUBE v2, please let us to help. Thanks.) Fits: PreSonus TUBEPre BLUETUBE 12AX7 Preamp Pre Sonus TUBE Pre BLUE TUBE 12A X7 Pre Amp Power Supply; PreSonus Studio Channel Vaccum Tube Mic PreAmp Compressor Strip Version 1.0 Power Supply; PRESONUS 150-CS001B Central Station Transformer (with Barrel Round Plug Tip. NOT 5-Prong Connector. Please Check For Compatibility With Your Unit. Thanks.) PreSonus All 1/3 & 1/2 Rack Space Module 169VPS Power Supply; PreSonus Inspire GT 1394 4X4 Firewire Recording Interface Power Supply; 16V PreSonus Bluetube DP Bluemax Digitube Comp16 HP4 Pre Sonus Blue tube Dp Blue max Digi tube Comp16 HP4 TUBEPre Tube Preamp (Note: NOT fit DP v2, TUBEPre v2 and BLUETUBE v2. Please Check For Compatibility With Your Unit. Thanks.) MW48-160100A 30-112-160602 MW48160100A 16V AC 1A Class 2 Transformer ; CUI STACK MA481610 Acousti Q Class 2 Power Supply; Maxim MA Series MA411604 MA481605 MA481610 Class 2 II Power Supply (with Barrel Round Plug)