All prices are in pounds sterling. (GBP)

PCB002	Trimodal Power Amplifier PCB & Set of Construction Notes	£27.50 ea
KIT002	Trimodal Power Amplifier. PCB002 plus all parts to build it	£125.00 ea
Built002	Trimodal Power Amplifier. Fully built and tested	£185.00 ea
PCB003	Precision Preamplifier: PCB, build notes, post & packing:	£129.00 ea
PCB003+	Precision Preamplifier: PCB, build notes, switches, buttons:	£150.00 ea
KIT003	Precision Preamplifier: Full kit comprising PCB, build notes, all PCB components: (Excludes transformer & mains wiring, case, knobs & mechanical fixings)	£355:00 ea
Built003	Precision Preamplifier: Assembled & tested PCB. Includes build notes: (Excludes transformer & mains wiring, case, knobs & mechanical fixings)	£650.00 ea
PCB004	Load Invariant Power Amplifier PCB & Set of Construction Notes	£33.00 ea
KIT004	Load Invariant Power Amplifier. PCB004 plus all parts to build it	£125.00 ea
Built004	Load Invariant Power Amplifier. Fully built and tested	£195.00 ea
PCB005	Class-G Power Amplifier PCB & Set of Construction Notes	£33.00 ea
KIT005	Class-G Power Amplifier. PCB005 plus all parts to build it	£125.00 ea
Built005	Class-G Power Amplifier. Fully built and tested	£195.00 ea
PCB006	RIAA phono preamp unbalanced output. PCB & Set of Construction Notes	£28.00 ea
KIT006	RIAA phono preamp unbalanced output. PCB006 plus all parts to build it	£152.00 ea
Built006	RIAA phono preamp unbalanced output. Fully built and tested	£219.50 ea
	Four changeover switch. Two per PCB	£2.50 ea
PCB007	RIAA phono preamp balanced output. PCB & Set of Construction Notes	£32.00 ea
KIT007	RIAA phono preamp balanced output. PCB007 plus all parts to build it	£174.00 ea
Built007	RIAA phono preamp balanced output. Fully built and tested	£249.00 ea
	Four changeover switch. Two per PCB	£2.50 ea
PCB008	Amplifier & Speaker Protection Card. PCB & Set of Construction Notes	£23.00 ea
KIT008	Amplifier & Speaker Protection Card. PCB008 plus all parts to build it	£77.40 ea
Built008	Amplifier & Speaker Protection Card. Fully built and tested	£115.40 ea
PCB009	Compact Blameless Power Amplifier. PCB & Set of Construction Notes	£23.00 ea
KIT009	Compact Blameless Power Amplifier. PCB009 plus all parts to build it	£111.60 ea
Built009	Compact Blameless Power Amplifier. Fully built and tested	£166.00 ea
PCB012	Low noise balanced input card. PCB & Set of Construction Notes	£19.80 ea
KIT012	Low noise balanced input card. PCB012 plus all parts to build it	£38.00 ea
Built012	Low noise balanced input card. Fully built and tested	£58.00 ea
	For details of kit contents see the page for that product.
	Postage
	All UK prices for kits & PCBs include First Class postage. For non-UK destinations: Shipping is quoted individually per order. Standard shipping is via the UK Post Office service. UPS Courier shipping is available on request. All shipping is charged at cost, as quoted by the Post Office or UPS.

Some of the transistors used in these designs are specialised audio types that are not easy to obtain in small quantities. We offer a range of semiconductors used in the PCB projects.

Semiconductors:
2SB737	PNP Low Noise Transistor	£2.00 ea
MPSA06	NPN Small-Signal Transistor	£0.12 ea
MPSA56	PNP Small-Signal Transistor	£0.24 ea
MJE340	NPN Driver Transistor TO-225AA	£0.55 ea
MJE350	PNP Driver Transistor TO-225AA	£0.90 ea
2SC3264	NPN Power Transistor MT-200	£5.80 ea
2SA1295	PNP Power Transistor MT-200	£9.34 ea
2SC3281	NPN Power Transistor Sustained beta TO3-P	£9.00 ea
2SA1302	PNP Power Transistor Sustained beta TO3-P	£7.50 ea
Hardware:
TSC506	TO3-P Dual Mounting Clip	£0.50 ea
BAR002	Aluminium flat bar, drilled & tapped for PCB002 V4 power devices	£9.50
BAR004	Aluminium flat bar, drilled & tapped for PCB004 V2 power devices	£11.25
BAR005	Aluminium flat bar, drilled & tapped for PCB005 power devices	£8.50

NB: We currently assume that the NE5532 and TL072 dual op-amp ICs used in the preamplifier are available worldwide. Please let us know if this is not the case.