Stereo Preamplifier Module with Tone Control

NPN TO92CBE 20V 100mA 380 min

NMOS TO50 Dual Gate N Channel MOSFET 20V 30mA 900MHz

Rotary Switch. Make before break. 3 pole 4 ways

Adjustable stop lock-washer under bush allows 2-4 ways.

110VAC 350mA max. 9mm dia bush 6.3mm x 38mm shaft with flat.

Body dia 26mm

NMJ2HF-S 

High Quality 6.3mm Rean Neutrik Mono Unswitched Jack Socket with Plastic Nut

Switch Cleaner Super 10 by Kontakt Chemie 200ml Aerosol

Spray Cleaning Solvent, with a small amount of lubricant added to leave a thin protective film on potentiometers, switches, contacts etc.

Safe on most plastics and rubber. Widely used throughout the electronic industry.

Note. This product is identical to the now discontinued "Servisol Super 10"

TDA2003A 10W Amplifier Kit

This kit uses a TDA2003 to create a small but powerful audio amplifier suitable for most uses. It works best with supply voltages between 8-18VDC and loads down to 2Ω.
Perfect for use with passive bookshelf speakers, or as a general purpose audio amplifier. 

The following components are included in this kit:

• Circuit Layout Diagram + Schematic x 1
• Volume (20kΩ LOG) potentiometer x 1 
• 1000µF 16V Capacitor x 1
• 470µF 25V Capacitor x 1
• 100µF 25V Capacitor x 1
• 10µF 25V Capacitor x 1
• 100nF Boxpoly Capacitor x 2
• 47nF Boxpoly Capacitor x 1
• 2W 1Ω Resistor x 1
• 2W 2.2Ω Resistor x 1
• Metal Film 220Ω Resistor x 1
• Metal Film 39Ω Resistor x 1
• PCB Terminal Blocks x 2
• PCB x 1
• TDA2003A IC x 1
   

Technical Specifications:

Input Voltage: 8-18VDC
Output Power: 10W @ R_L= 2Ω, 6W @ R_L= 4Ω
THD: 0.18% @ R_L= 2Ω, f = 1kHz
Efficiency: 65% @ R_L = 2Ω, f = 1kHz
Power Dissipation @ T_case = 90­°C: 20W 
Frequency Response: 40-15000Hz

Magnifier Jewellers' Loupe Magnifier set 2X, 5X & 10X

Indispensible for miniature work and for identifying small parts. Fits into the eye-socket, keeping both hands free.

Great for close inspection. Very useful for older eyes.

People over 30 years-old can have brightness & focusing problems