3X TPA3116D2 Digital Audio Stereo Amplifier Board,Dual Channel 50W Class DB2J3 Chip type: TPA3116D2Power supply: DC 12-24VChannel amount: Dual 50WProduct size: 37.2mm x 25.6mm x 1.5mm(LxWxH)color:blueMaterial: MetalNote:If your power supply and the audio equipment are common ground, when connecting the TV box, there will be a little current noise because this amplifier board does not have noise isolation function for power supply. So, you need a common ground isolation board;Please enhance the heat dissipation such as adding a little heatsink chip on the amplifier board when your power is relatively higher or your amplifier board has been used for a long time.Package Include:3x Amplifier Board

Description: Onboard front-facing IC to improve the input sensitivity, high-definition sound quality. Name: TPA3116D2 Digital Amplifier Board Chip type: TPA3116D2 Working voltage: DC12-26V Output power: 2*120W MAX DC12V, 2*50W DC24V, 2*120W Signal to noise ratio: 100db Channel: Dual channel stereo Size; 92*68*16mm Package include: 100% Brand New 1 pc audio amplifier board 1 pc Audio Cable

TPA3116 Home Audio Amplifier Board 20Hz To 20KHz Class D Dual Chip WIMA Del B7D5 1. TPA3116 x2. Coupling capacitors are from Germany Weimar 1uF. Electrolytic capacitor signal main circuit adopts Japan fever-grade red robe ELNA680uF/35v*2, ensuring strong and continuous .2. The resistor uses a 1% chip resistor to a good signal-to-noise ratio.3. PCB uses 1.6mm thick double-sided sheet, 2.0 oz copper thickness, spray tin full process, to good passing performance of and small current. First-class PCB quality.4. The special inductor of iron-silicon-aluminum power amplifier is used to the sound is crisp and powerful.Basic performance parameters:Working : Class DQuiescent current: 50mAWork efficiency: 90%Rated output power: 2*100WFrequency response: 20Hz to 20KHzWorking voltage: DC18V to DC24VBoard size: 110x79x22mmMaximum output current: 5AType:Digital Amplifier Boardcolor:Photo colorMaterial:plasticPackage Contents:1 x Digital Amplifier Board

4 Ken-Rad JAN-CKR-6SN7GT VT-231 tubes Made for the US Military and of vintage production. Good testing tubes. Stagger-plate. Free from gas or shorts. Quiet with no noise or microphonics. Clean pins and glass. Bottom, foil-tab getters. MIL-spec. Black plates. Copper grid posts. Tight bases. Center keyways intact. Tube #2 and #4 have base cracks. All have SC961A codes. Dual-tested on a calibrated TV-7D and at real operating voltages on an Amplitrex AT1000 in fixed-bias mode. Tube ran-in 10 min ea. before tests to ensure stability. TV-7D test results: Tube 1- Gm: 91/94. Tube 2- Gm: 87/99. Tube 1- Gm: 78/84. Tube 2- Gm: 79/83. Minimum is 50. AT1000 6SN7 test results: Tube 1- Gm: 2.20/2.40 mA/V. Ip: 7.4/8.6 mA. Tube 2- Gm: 2.10/2.50 mA/V. Ip: 6.8/8.8 mA. Tube 3- Gm: 2.00/2.10 mA/V. Ip: 6.8/7.6 mA. Tube 3- Gm: 2.00/2.00 mA/V. Ip: 7.8/7.6 mA. Minimum good 6SN7 tube per section- 1.60 mA/V, 5.5mA. Nominal, new 6SN7 range, per section- Gm: 2.50-2.80 mA/V. Ip: 7-10 mA. Test parameters- 250v plate, -8.0v grid bias. In conclusion-? A good used testing set of 6SN7GT’s. An excellent addition to anyones collection. Full refund of the returned tubes if you are not satisfied. All items are 100% guaranteed to arrive as represented for 30 days upon arrival. I offer a full refund if you are not satisfied. Weve been selling vintage electronics since 1999 with perfect ebay feedback and many happy, satisfied customers. All items professionally packed to arrive safely with no extra handling costs. Our mission is to offer quality-tested tubes to make you happy with your purchase. Terms & Conditions: Payment must be received within 3 days of sale date. Items described to the best of my ability. Shipped by U.S. Priority Mail. If you have questions, please contact us BEFORE purchasing. Thank you!

TPA3116D2 Digital Audio Stereo Amplifier Board, Dual Channel 50W Class D DC K1N2 Chip type: TPA3116D2Power supply: DC 12-24VChannel amount: Dual 50WProduct size: 37.2mm x 25.6mm x 1.5mm(LxWxH)color:blueMaterial: MetalNote:If your power supply and the audio equipment are common ground, when connecting the TV box, there will be a little current noise because this amplifier board does not have noise isolation function for power supply. So, you need a common ground isolation board;Please enhance the heat dissipation such as adding a little heatsink chip on the amplifier board when your power is relatively higher or your amplifier board has been used for a long time.Package Contents:1x Amplifier BoardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Tannoy HPD 315/8 12 Dual Concentric Drivers with crossovers and optional enclosures. The listing is for two Speaker Drivers with Crossover. Crossovers fitted with new Cross caps. These are the original alnico version. You can have the cabinets included in the price if you wish. Please observe pictures for condition of the speakers and drivers. Collection HA2 London only.

Lynx Technik AG 12Bit D64331 Dual SDI Reclocking Distribution Amplifier. Condition is used so have signs of usage See pictures for more details

Lautsprecher Dual CL 231 Seltene schwere kleine Regalboxen Wrfel Technisch noch ok . Mit kleinen Gebrauchsspuren, nichts wildes Fr das Alter noch relativ gut erhalten.! 4 OHM 40 Watt x 2 Masse : Hhe: 24,5 cm Breite : 16 cm Tiefe : 15 cm