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build your own amp kits

Build your own amplifier - sound crazy?
No, plenty of guys are doing just that. No experience necessary, full instructions included.
So many famous brand amps on the market now are built using poor construction techniques, like mounting valves directly onto printed circuit boards!
All our designs are hand-wired on eyeletted circuit boards - takes time but your amp will last and last, and sounds sooo goood!
circuit board

Our Standard Range of Build-Your-Own Amp Kits have been specifically selected to give you all you need to build yourself a top quality, hand-wired valve amplifier. Kits include: instruction book, circuit board and diagram, components to be assembled on circuit board, valves, bases and retainers, power supply smoothing circuit (ie. filter capacitors & resistors), mains switches, all pots & knobs, miscellaneous hardware, jack sockets etc., reverb tank, transformers, cables and finally a wooden cabinet either ready built or flat packed with coverings. We also include a wiring kit but if you don't require this we are happy to reduce the price by £5.

Postage is not included and is usually between £10-£20 in the UK.

You can buy the instruction book first to check out the process and we'll refund you if you buy the kit.

Building an amp is a great learning experience for most of us. It can seem quite a daunting task to begin with but armed with a copy of Inside Tube Amps and an instruction book everything will start to make sense. Please refer to the Safety Note on the inside cover. Any reasonably practical person can construct an amplifier, but note that the more complex twin amps really need previous experience. When it comes to electrical testing you need to be competent around mains voltage or take it to someone who is at this stage.

You will need some basic equipment: 20/25W soldering iron, digital voltmeter and simple power and hand tools.

If building an amplifier is not up your street we can build it for you for a very reasonable price, check out Fully Built Amps

Single-ended Class A Amps
Amp Type Description & Major Components Amp Characteristics
Price £
Options
Tiny Tone Tweed Single-ended, Class A,1W practice amp 296mm chassis with black Tolex cab and 8 inch speaker Specially designed for full valve tone at low volume - clean tone with controlled compression
288
Line-out + £22
Tiny Tone Marshall Single-ended, Class A,1W practice amp 296mm chassis with Black Tolex cab and 8 inch speaker Specially designed for full valve tone at low volume - more Marshall-like compression
308
Line-out + £22
Tiny Boxer Single-ended, Class A, 5W amp 296mm chassis with black Tolex cab and 8 inch speaker Classic Champ-like clean sound with valve rectifier
343
Line-out + £22
Boxer Single-ended, Class A, 5W amp 296mm chassis 1x10 flat-pack pine black Tolex cab & Jensen C10R speaker Classic Champ-like clean sound with valve rectifier
401
Line-out + £22, Vintage Tweed + £17 power soak £25
British Boxer Single-ended, Class A 5W. 2 x 12AX7 preamp valves,1 x EL84 output valve. 1 x 12” Celestion G12M Greenback. Dovetail jointed, solid-pine cab, hard wearing tolex and vintage grille cloth Marshall version of the Boxer. Straight-forward but great sounding amp from clean to real British crunch.
552
Line-out + £22, Vintage Tweed + £17, power soak £24.
Jensen C12R -£34
Big Boxer Single-ended, Class A, 6L6/10W amp 296mm chassis 1x10 flat-pack pine black Tolex cab & Jensen C10R speaker Classic Champ-like clean sound with valve rectifier
420
Line-out + £22, Vintage Tweed + £17, power soak £25
Boxer Plus model KT12 Single-ended, Class A, 5W amp 388mm chassis with 1x12 flat-pack pine black Tolex cab & Jensen C12R speaker Clean ringing tones with controlled compression, normal and high gain inputs with volume, gain, master and full set of tone controls, valve rectifier
512
Line-out + £22, Vintage Tweed + £20, Jensen P12R +£44, power soak £25
Boxer Plus model KT12R Single-ended, Class A, 5W amp 450mm chassis with Reverb in 1x12 flat-pack pine black Tolex cab with Jensen C12R speaker Clean ringing tones with controlled compression, normal and high gain inputs with volume, gain, master, reverb and full set of tone controls, valve rectifier
629
Line-out + £22, Vintage Tweed + £20, Jensen P12R +£44, power soak £25
Boxer Plus model KT66 Single-ended, Class A, 15W amp 388mm chassis with 1x12 flat-pack pine black Tolex cab & Jensen C12R speaker Clean ringing tones with controlled compression, normal and high gain inputs with volume, gain, master and full set of tone controls, valve rectifier
506
Line-out + £22, Vintage Tweed + £20, Jensen P12R +£44, power soak £30
Boxer Plus model KT66R Single-ended, Class A, 15W amp. 450mm chassis with Reverb in 1x12 flat-pack pine black Tolex cab & Jensen C12R speaker Clean ringing tones with controlled compression, normal and high gain inputs with volume, gain, master, reverb and full set of tone controls, valve rectifier
629
Line-out + £22, Vintage Tweed + £20, Jensen P12R +£44, power soak £30
Single Channel Amps
Amp Type Description & Major Components Amp Characteristics
Price £
Options
British Invasion, 20W 2xEL84, 20W, class A/B, push-pull, single channel amp with 388mm chassis, flat-pack pine 1x12 black Tolex cab & Jensen C12R speaker British Vox-like tone, normal and high gain inputs with volume, gain, dual master and full set of tone controls, valve rectifier
622
Line-out + £22, Vintage Tweed + £20, Celestion Greenback +£34, power soak £29
British Invasion, 50W 2xEL34, 50W, class A/B, push-pull, single channel amp with 388mm chassis, flat-pack pine 1x12 black Tolex cab & Celestion Vintage 30 speaker British Vox-like tone, normal and high gain inputs with volume, gain, dual master and full set of tone controls, valve rectifier
709
Line-out + £22, Vintage Tweed + £20, power soak £37
Royale, 20W 2x6V6, 20W, class A/B, push-pull, single channel amp with reverb, 450mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Jensen C12R speaker Classic, clean Fender-like tone, normal and high gain inputs with volume, dual master, reverb and full set of tone controls, valve rectifier
726
Line-out + £22, black Tolex - £14, Jensen P12R +£44, power soak £30
Royale, 50W 2x6L6, 50W, class A/B, push-pull, single channel amp with reverb, 450mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Celestion Vintage 30 speaker Classic, clean Fender-like tone, normal and high gain inputs with volume, dual master, reverb and full set of tone controls, valve rectifier
778
Line-out + £22, black Tolex - £14, Jensen C12K +£18, power soak £36
Jazz King, 20W 2x6V6, 20W, class A/B, push-pull, single channel amp, 450mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Jensen C12R speaker For the classic Jazz sound, clean Fender-like tone, normal and high gain inputs with volume, dual master, and full set of tone controls, valve rectifier
623
Line-out + £22, black Tolex - £14, Jensen P12R +£44, power soak £30
Jazz King, 50W 2x6L6, 50W, class A/B, push-pull, single channel amp, 450mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Celestion Vintage 30 speaker For the classic Jazz sound, clean Fender-like tone, normal and high gain inputs with volume, dual master and full set of tone controls, valve rectifier
676
Line-out + £22, black Tolex - £14, Jensen C12K +£18, power soak £36
Texas Thunderbolt, 20W 2x6V6, 20W, class A/B, push-pull, single channel amp with reverb, 450mm chassis, 1x12 Vintage Tweed cab & Celestion Greenback speaker Vintage Bassman-style amp - normal input is vintage Fender, gain channel heavily over-driven - effectively a non-switching twin channel amp. The amp features normal and high gain inputs, separate volume and gain controls, full set of tone controls, reverb, dual master and valve rectifier. Speaker is Celestion vintage 30.
794
Line-out + £22, black Tolex - £14, Jensen P12R +£12, power soak £30
Texas Thunderbolt, 50W 2x6L6, 50W, class A/B, push-pull, single channel amp with reverb, 450mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Celestion Vintage 30 speaker Vintage Bassman-style amp - normal input is vintage Fender, gain channel heavily over-driven - effectively a non-switching twin channel amp. The amp features normal and high gain inputs, separate volume and gain controls, full set of tone controls, reverb, dual master and valve rectifier. Speaker is Celestion vintage 30.
794
Line-out + £22, black Tolex - £14, power soak £37

Thunder Bass
120W

4x6L6, 120W Bass Amp. On 569mm chassis. Flat-pack pine black tolex head cab Flexible Bass Amp of Bassman type. Independant twin inputs, sep vol control. Full tone control, bright & midboost functions. Buffered effects & dual master
609
ask higher power, power soak + £68
Tweed Deluxe 5E3 20W 2x6V6 20W . 1x12 ready built vintage tweed Fender style cab with top controls. Jensen C12R In all essential features this is a reproduction of classic Fender design
705
power soak + £37 Jensen P12R +£44
Bassman 5F6 Twin 50W
review
Classic 2x6L6. Ready built vintage tweed Fender style cab with top controls. Twin 2x12 with Jensen C12Rs. In all essential features this is a reproduction of classic Fender Bassman 5F6A. It’s LOUD. Twin inputs normal and bright each with our volume . With Celestion G12 Vintage - this is an extremely light amp at only 16.8kg
763
Jensen 2x P12R + £88 P.S. + £37
Celest G12 Vint + £97
Bassman 5F6 4x10 50W Classic 2x6L6. Ready built vintage tweed Fender style cab with top controls. 4x10 with 4 C10Rs In all essential features this is a reproduction of classic Fender Bassman 5F6A. It’s LOUD. Twin inputs normal and bright each with our volume
837

4x P10R
+ £199, power soak
+ £37

Twin Channel Amps
Amp Type Description & Major Components Amp Characteristics
Price £
Options
Texan Deluxe 20W 2x6V6, 20W, class A/B, twin channel amp with reverb, Fx, 569mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Jensen C12R speaker Classic pre-CBS type twin channel amp with 20W, 2x6V6 output section. Standard features include valve rectifier, foot-switchable channels, normal and higher gain inputs, full tone controls on both channels, lead and dual master, reverb. Also features parallel Efx loop with blender, Tweed cab with Jensen C12R speaker.
977
Power soak +£30, Head cab -£78, Line-out +£22
Texan Deluxe 50W 2x6L6, 50W, class A/B, twin channel amp with reverb, Efx, 569mm chassis, flat-pack pine 1x12 Vintage Tweed cab and Celestion vintage 30 speaker Classic pre-CBS type twin channel amp with 50W, 2x6L6 output section. Standard features include valve rectifier, foot-switchable channels, normal and higher gain inputs, full tone controls on both channels, lead and dual master, reverb. Also features parallel Efx loop with blender, Tweed cab with Celestion vintage 30 speaker.
966
Jensen C12N +£10, In head cabinet -£112, power soak £37
Texan Deluxe 40W 4x6V6, 50W, class A/B, twin channel amp with reverb, Efx 622mm chassis, flat-pack pine 2x12 Vintage Tweed cab & twin Jensen C12R speakers Classic pre-CBS type twin channel amp using 40W, 4x6V6 output section. Standard features include valve rectifier, foot-switchable channels, normal and higher gain inputs, full tone controls on both channels, lead and dual master, reverb. Also features parallel Efx loop with blender, 2x12 Tweed cab with twin Jensen C12R speakers. This is a most flexible amp; the power can be reduced to 20 Watts with removal ot two output valves and to 10 Watts with substitution of 6K6s for 6V6.
1014

Head cab -£136,
power soak £37,
Line-out +£22

Bluerock 20W 2x6V6, 20W, class A/B, twin channel amp with reverb, 569mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Jensen C12R speaker Classic twin channel amp using 20W, 2x6V6 output section. The amp features clean Fender-style normal channel and contrasting over-driven lead. Standard features include valve rectifier, foot-switchable channels, normal and higher gain inputs, full tone controls on both channels, lead and dual master, reverb. This particular amp is a special with 6x6V6 output valves cathode biased for the warm tones characteristic of class A. Also features parallel Efx loop with blender, Bright switch on clean, fat and presence on lead, 1x12 Tweed cab with Jensen C12R speaker.
875
Head cab -£78
power soak £30,
Line-out +£22
Bluerock 50W 2x6L6, 50W, class hi-A/B, twin channel amp with reverb, Efx, 569mm chassis, flat-pack pine 1x12 Vintage Tweed cab & Celestion vintage 30 speaker Classic twin channel amp using 50W, 2x6L6 output section. The amp features clean Fender-style normal channel and contrasting over-driven lead. Standard features include valve rectifier, foot-switchable channels, normal and higher gain inputs, full tone controls on both channels, lead and dual master, reverb. The amp is cathode biased for the warm tones characteristic of in class A. Also features parallel Efx loop with blender, bright switch on clean, fat and presence on lead, Tweed cab with Celestion vintage 30 speaker
983
Head cab -£112,
Jensen C12N +£10, power soak £37, Line-out +£22
Bluerock 35W 4x6V6, 35W, class hi-A/B, twin channel amp with reverb, Efx,622mm chassis, flat-pack pine 2x12 Vintage Tweed cab & twin Jensen C12R speakers Classic twin channel amp built using 35W, 4x6V6 output section. The amp features clean Fender-style normal channel and contrasting over-driven lead. Standard features include valve rectifier, foot-switchable channels, normal and higher gain inputs, full tone controls on both channels, lead and dual master, reverb. The amp features 4x6V6 output valves cathode biased for the warm tones characteristic of class A. Other features include parallel Efx loop with blender, bright switch on clean, fat and presence on lead. This is a most flexible amp; the power can be reduced to 20 Watts with removal ot two output valves and to 10 Watts with substitution of 6K6s for 6V6. 2x12 Tweed cab with twin Jensen C12R speakers.
1014
Head cab -£136,
power soak £37,
Line-out +£22
Rock Hound 20W 2xEL84, 20W, class A/B, twin channel amp with reverb, Efx, 569mm chassis, flat-pack pine 1x12 black Tolex cab & Celestion Vintage 30 speaker Classic Twin channel amp with the British 'Marshall' tone using 20W, 2xEL84 output section. Standard features include valve rectifier, normal and higher gain inputs, foot-switchable channels, full tone controls on both channels, lead and dual master, reverb & parallel Efx loop with blender. The kit has 1x12 black Tolex cab with Celestion Vintage 30 speaker.
885
Head cab -£112
power soak £30,
Line-out +£22
Rock Hound, 50W 2xEL34, 50W, class A/B, twin channel amp with reverb, Efx, 569mm chassis, flat-pack pine 2x12 black Tolex cab & twin Celestion Vintage 30 speaker Classic Twin channel amp with the British 'Marshall' tone using 50W, 2xEL34 output section. Standard features include valve rectifier, normal and higher gain inputs, foot-switchable channels, full tone controls on both channels, lead and dual master, reverb & parallel Efx loop with blender. The kit has 1x12 black Tolex cab with Celestion Vintage 30 speaker.
995
Head cab -£203
power soak £37,
Line-out +£22
Rock Hound, 40W 4xEL84, 40W, class A/B, twin channel amp with reverb, Efx, 622mm chassis, flat-pack pine 2x12 black Tolex cab & twin Celestion Vintage 30 speakers Classic Twin channel amp with the British 'Marshall' tone using 40W, 4xEL84 output section. Standard features include valve rectifier, normal and higher gain inputs, foot-switchable channels, full tone controls on both channels, lead and dual master, reverb & parallel Efx loop with blender. The kit has 2x12 black Tolex cab with Celestion Vintage 30 speakers. This is a most flexible amp with option of removing two output valves for power reduction to 20W
1034
Head cab -£203
power soak £37,
Line-out +£22
Extension Cabinets
Amp Type Description & Major Components Amp Characteristics
Price £
Options
1x10 Extension cab 1x10 Flat-pack kit of wooden parts with dove-tails and speaker holes pre-cut: hardware kit including handle, feet, jack sockets etc.: black Tolex and silver grille covering materials - all parts to make the complete 10 inch extension cab.  
133
Vintage tweed + £17, Leather handle +£12
1x12 Extension cab 1x12 Flat-pack kit of wooden parts with dove-tails and speaker holes pre-cut: hardware kit including handle, feet, jack sockets etc.: black Tolex and silver grille covering materials - all parts to make the complete 12 inch extension cab.  
144
Vintage Tweed +£20, Leather handle +£12
2x12 Extension cab 1x12 Flat-pack kit of wooden parts with dove-tails and speaker holes pre-cut: hardware kit including handle, feet, jack sockets etc.: black Tolex and silver grille covering materials - all parts to make the complete 12 inch extension cab.  
185
Vintage Tweed +£30, Leather handle +£12