Vacuum Tubes
I sell vacuum tubes from old stock worldwide. I am looking for new customers - area audio, radio maintainance.

High Power Speakers
1) Rated output power: 100W, 150W, 200W, 300W ; 2) Rated impedance: 4 / 8Ω ; 3) Sound intensity level: >=115dB (A) at 1m ; 4) Shell: waterproof, moist and corrosion resistant ability ; 5) Utilize magnetic steel (Nd-Fe-B) for higher electricity-sound transformation ratio and wider range of alarm frequency ; 6) Sound frequency range: 200 - 500Hz

Buzzer, Transducer, Piezo Buzzer
We manufacture all kinds of buzzer, piezo buzzer, transducer, connector They can be applied to telephones, times, calling devices. Timepieces Electronic toys. Safety equipments. We can also design and manufacture other kinds of buzzer.

Audio / Video RCA Plugs / Jacks
Place of Origin: China. We can supply audio / video RCA plugs / jacks.

Rubber-Edge Glass Fiber Cone
We can supply Rubber-Edge Glass Fiber Cone from china.

Bluetooth USB Dongle
1) Can be used to listen to music in computer with bluetooth USB dongle ; 2) Chat on the MSN ; 3) Quick and inexpensive solution as Bluetooth plug-on modules to computers. It enables computers to communicate with any Bluetooth peripherals (such as computers, PDAs, mobile phones and printers) wirelessly ; 4) All cellular phones can connect to a wireless Bluetooth headset through the bluetooth audio gateway ; 5) Bluetooth V1.2 compliant ; 6) USB V1.2/V1.1 compliant ; 7) LED status indicator ; 8) Operation range: 20m, 30m ; 9) Connects up to 7different enabled Bluetooth devices ; 10) Encryption and authentication ensure safe secure communications ; 11) Low power consumption ; 12) Data rate: 721 kbps ; 13) Antenna: integrated inside adapter ; 14) 10.4dbm (class2) bluetooth radio

Adapters
Switch power . Linear power: Stabilizer transformer. adapter, charger. At present, the products have been approved with UL, CUL, CSA, BS, GS, CE, EK certificates, which mainly export to US, Canada, England, EEC,
Japan, Australia, Argentinaand Korea. The products are used as household appliances, acoustics, computers communication products, electric toys and tools etc.

Damper
We have the damper (spider) with cotton material and nomex material..

Microphone Cartridge
1) Frequency response: 80 - 11,000Hz ; 2) Sensitivity: -77dB±2dB ; 3) Impedance: 600Ω±15% ; 4) Diameter: 22mm ; 5) Height: 20mm

Heavy Rubber Sheathed Cables
We are professional factory manufacturing and exporting cables, especially heavy rubber sheathed cables. Features: 1) Heavy rubber sheathed cable ; 2) Fluoroplastic insulated PVC sheathed control cables ; 3) Compensating lead wire compensating cables ; 4) Plastic insulated and sheathed control cables ; 5) Computer shielded cable ; 6) Aniline cable ; 7) Plastic insulated and sheathed power cables ; 8) Insulated PVC and sheathed fire resistant power cables ; 9) Cryogenic temperature soft cable

Multifunction Megaphone
Features: 1) Sound amplification ; 2) Alarm ; 3) Illumination ; 4) Radio and record ; 5) Patented product: Yes ; 6) OEM availability: Yes. Specifications: 1) Dimensions (L x W x H): 275 x 215 x 135 mm ; 2) Power: 8 x AA batteries ; 3) Weight: 610G (Not including batteries) ; 4) Vertical speaker ; 5) Illumination / Sound amplification output: 4.5W / 7~14W ; 6) Material: reinforced ABS

Mechanical Buzzers
* Features: Small, low profile design; Flange mounting; Low pitch tone; Low current consumption. * Specifications: Rated voltage:6/12/24 VDC; Max rated current: 33/25/21 mA; Min sound output: 70 dBA/100cm; Fundamental frequency: 400 +/- 100 Hz; Tone nature: Continuous; Operating temperature: -20 to +70 degree Celsius; Weight: 17 g.

Shock Sensor
1) Housing material: PC ; 2) Weight (with wires): 24.6g ; 3) Output voltage: 40mvp/g typ. (25°C,10Hz - 1kHz) ; 4) Capacitance (pf):12,000±30% (25°C,1kHz) ; 5) Insulation resistance: 100mΩ (min.) ; 6) Operating temperature: - 30 ~ 80°C ; 7) Applications: alarm systems, remote controls, home appliances, communication equipment

Rubber Edge Injection PP Cone
We have 8",10",12" and 18" with this design. 8": ID:39.8mm OD:196mm H:37.5mm. 10": ID:52mm OD:247mm H:52mm. 12": ID:52mm OD:296mm H:65mm. 15": ID:62mm OD:374mm H:86mm

PA Amplifier
1) UTR-30E: 10 - 30W, 65.6 x 36 x 36.5. 2) SSB-45M: 10 - 30W, 65.6 x 36 x 36.5. 3) SSB-60M: 60 - 90W, 65.6 x 44.5 x 38. 4) SSB-80M: 80 - 130W, 68.5 x 44.5 x 39. 5) SSB-100M: 90 - 130W, 53 x 37 x 38. 6) SSB-160M: 140 - 180W, 55 x 42 x 43.

SMD Buzzer
Rated Voltage (Vp-p) 9 ; Resonance Frequency (Hz) 2500+-500 ; Max Input Voltage (Vp-p) 30 ; Capacitance at 120Hz (pF) 20000+-6000 ; Sound Output at 10cm (dB) more than 88 ; Operating Temperature -20~+70 ; Storage Temperature -30~+80 ; Rated Current (mA) less than 8 ; Weight (g) 5.5 ; 1Housing Material PPS

Magnetic Buzzer
We offer Magnetic Buzzer, Piezo Buzzer, Magnetic Transducer, Piezo Transducer, Piezo Diaphragm, Piezo Sounder, Sounding device, Audible Signal Devices, Audio buzzer, Alerts, Mylar Speaker, Ultrasonic Transducer, Mic, Microphone Units.

Omni-Directional Electret Condenser Microphone
1) Sensitivity (0dB=1V/Pa, 1,000Hz): -32±2dB, -34±2dB, -36±2dB, -38±2dB, -40±2dB, -42±2dB, -44±2dB, -46±2dB ; 2) The sensitivity of "Pa" will increase 20dB of ubar, for example, -60dB (0dB=1V/ubar)=-40dB (0dB=1V/Pa) ; 3) Frequency range: 20 - 20,000Hz ; 4) Directivity: omni-directional ; 5) Impedance: =<2.2kΩ ; 6) Current consumption (max.): 500uA ; 7) Standard operation voltage: 4.5V ; 8) Max. operation voltage: 10V ; 9) Sensitivity reduction: within -3dB at 1.5V ; 10) S/N ratio: >60dB ; 11) Dimensions (Φ x H): 4.5 x 2.2mm

Safe
1) External size: 35 x 25 x 25cm ; 2) Door thickness: 6mm ; 3) Wall thickness: 3mm ; 4) Secret code: 2groups 1-12 figures

Piezo Electric Buzzer, Magnetic Transducer, Electric Siren
The piezo electric buzzer,  magnetic transducer, electric siren, piezo ceramic  are used for the computer, Mobile phone,  DVD, instruments and equipments.