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18V Positive Voltage Regulator 18V 500mA T0202 By National Semiconductor; Marked: LM78M18P

(Also Known as LM341P18)

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18V 1.5A Negative Voltage Regulator TO220.

24V 1.5A Negative Voltage Regulator TO220.

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5V Voltage Regulator Negative TO92 5V 100mA

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12V 100mA Negative Voltage Regulator TO92.

15V 100mA Negative Voltage Regulator TO92.

18V 100mA Negative Voltage Regulator TO92.

5V 500mA Negative Voltage Regulator TO220

8 Way Ceiling Speaker System - 4 x 200W

Fully featured, easy to install 8 speaker system with Bluetooth, media player, microphone and line audio input. Featuring 8 high quality, rubber surround ceiling speakers with ferrofluid-cooled adjustable silk dome tweeters for a high quality HiFi listening experience. These speakers have a high dispersion angle (155°), which helps distribuite sound over a large area without the need for additional speakers. 

This package includes: 8 x Adastra C6D ceiling speakers,  1 x Adastra A4 Mixer-Amp and 100 metres of white speaker cable. 

All our systems are bespoke; they are not pre-boxed kits; just phone 020 8452 0161 if you wish to change anything. 

Features: 

• Easy to install

• Built-in tone control allows you to tailor the sound to your taste and listening environment

• Microphone, USB, SD, Bluetooth, AUX and Line inputs make it easy to connect to your sound source

• USB and SD inputs can be controlled via the remote control

• HiFi ceiling speakers provide excellent audio quality, unlike many other ceiling speakers

• Input selector switch allows you to change the sound input without unplugging cables
   

Technical Specifications:

Amplifier: 

• Output power RMS @ 4Ω : 4 x 200W
• Amplifier class: Class D
• Microphone inputs: 2 x 6.3mm (1/4") mono jack
• Line inputs: 4 x RCA sockets (Line 1 & 2 ) + 2 x 6.3mm (1/4") mono jacks (Line 1)
• Line input sensitivity: 0.775V_RMS
• AUX input: 3.5mm (1/8") stereo jack
• AUX input sensitivity: 0.48V_RMS
• Bluetooth version: 2.3
• Line output: 4 x RCA
• Speaker outputs: 8 x 4mm binding posts (4 channels)
• FM Antenna connection: F-type socket
• THD + N: < 0.1%
• Output controls: 2 x Source select, 2 x bass, 2 x treble, Ch1, Ch2, Ch3, Ch4
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Protection: Thermal, over-current, over-voltage, short-circuit
• Dimensions: 482 x 260 x 88mm
• Weight: 5.98kg
• Fuse: F5A, 250V 

Speakers:

• Power Max.: 100W
• Impedance: 8Ω
• Sensitivity @ 1W/1m: 85dB(±2dB)
• Cutout: 193mm dia.
• Mounting depth: 79mm
• Dimensions: 93 x 227mm 
• Frequency response: 60Hz - 20kHz

100 Watt 5% Wire-wound Resistor 8 ohms