Guitar Amps, Pro Audio Price Guide
Routine Servicing
Levels of amp servicing available. Although servicing will often solve many simple faults, please look at repairs section as well especially if the fault is permanent or severe.| Service Level | Description | Price |
|---|---|---|
| Evaluation | An assessment of a faulty amp as to value and cost of repair produced as a written report. Good for Insurance damage assessments, DIY repairs. | £42 |
| Valve Replacement | Replace power valves and adjust bias. Check for microphonics on pre amp valves. Does not include any further checks on the amp so only suggested on recently serviced or brand new amps. | £42 + valve cost |
| Light Service | Quick check over and replacement of known faulty or damaged parts such as front panel controls like switches, pots, jack sockets, or valves. Routine Valve check and bias adjustment on working amp or post sudden power valve failure. (often better value to opt for a complete service) | £72 + parts |
| Full Service | Comprehensive check over, adjustment and repair of a predominantly working amp. Good for broken, or unreliable, front and rear panel issues like switches, jacks and pots and identifying noisy valves. Note approx parts cost based on a few jack sockets and a pre-amp valve. Where extensive fault diagnosis is limited, see repairs pricing. | £105 + parts |
Repairs
Repair cost is time dependant with typically 1-2 hours to diagnose and 1 hour to fix.| Repair Category | Description | Price guide |
|---|---|---|
| Repair | As per Service and additionally includes some fault diagnosis and repair. Good for Noisy amps (hums, rustles, cracks), Unreliable amps – cutting out, volume dips | £149 + parts approx |
| Complex Repair | Amps with several faults requiring diagnosis and repair. Aimed at older amps requiring minor restoration. | £189 + parts approx |
| Restoration | Full Restoration of vintage amps with multiple fault issues.
| £240 + parts approx |
| Audio Cable Repair | Fix an old damaged cable. Cut away old cable and resolder or replace accordingly. Worthwhile on high quality cables | £9 + per end + parts |
Custom Builds
You can commission me to build you a kit or kit based custom amplifier.| Build Type | Description | Price guide |
|---|---|---|
| Harp Amp Conversions | Alnico Magnet Harp Conversions – Tried and tested on VHT, Harley Bentons and Epiphone amps. These kits alter the voicing of the amp to give you the authentic harp honk from an inexensive guitar amp | £177 + £50 parts |
| Kit Amp Build Small | Guide price for small simple amps upto 10w power e.g. champ. | £528 + plus kit |
| Kit Amp Build Medium | Guide price for medium amps up to 50w power. | £648 + plus kit |
| Kit Amp Build Large | For more complex amps i.e. greater than 50w or including channel switching. Complete build of kit amps as per your specification. 5E3, Plexi whatever your preference. Good Kit suppliers are: Tube Amp Doctor, Tube Town, Metropolous, Modulus, Amp-Maker, Ceriatone etc. Most suppliers will specify a typical build time. | £768 + plus kit |
Consulting and Training
Want to learn more about how amps works? Need help with a repair or build? Or just want to work safely? You can engage me to help with either in-person or remote coaching session to get you back on track. Do something that makes you feel good, saves you or even makes you money.| Amp Coaching Session Type | Format | Description | _table |
|---|---|---|---|
| Bias your own amp | 2 hour session in person | Learn more about how your amp works, why bias matters and how to adjust your amp’s bias yourself. Check for amp suitability. | skills builder |
| Fix your own pots and jack sockets | 3 hour session in person | Learn how to diagnose and repair safely around 55% of amp faults which arise from faulty front and rear panel components like pots, jacks and switches. Pre Requisite skills soldering, use of hand tools, logical mind and patience. | skills builder |
| Amp troubleshooting and repair for technicians | 2 x 2.5 hour sessions in person | Amp fault analysis, diagnosis and repair on the most common issues e.g. connections, power supplies, valve diagnosis, pot replacement, jack replacement, valve replacement, biasing, maintenance, cleaning. | servicing and repair |
| Valve Amp circuit fault diagnosis | 4 x 2.5 hour sessions in person | Concentrating on valve amps understanding the amp stages, making sense of schematics, component failure modes (resistors, diodes, capacitors, valves, transistors, transformers). Tests and measurements. | servicing and repair |
| Amp Repair Rescue | 1 hour session in person, or online | Consultancy session helping you resolve a problematic repair over online conferencing and chat. I can help you get back on track. Great for technicians building up their skills. | servicing and repair |
| Amp Final Stage Safe Power On | 1 hour session in person, timing flexible | Final stages power up and any debugging | servicing and repair |
Other Services
Custom Cable builds| Cable Product | Specification | Description | Price per Metre | Additional 10cm | Additional Metre |
|---|---|---|---|---|---|
| SpeakON + 2x4mm custom cable length + Personalised Label | Neutrik SpeakON NL4 x 2 connectors Van Damme Tour Grade Cable, 2 x 4mm csa conductors, outer diameter 12.4mm Include 13cm cable overcut Label with custom text (15 characters) sealed under heatshrink | Super Heavy Duty Speaker Cable for bass guitar / sub woofer. | £33.90 | £0.84 | £8.40 |
| SpeakON + 2×2.5mm custom cable length + Personalised Label | Van Damme Tour Grade Cable, 2 x 2.5mm csa conductors, outer diameter 8mm Neutrik SpeakON NL4 x 2 connectors Include 13cm cable overcut Label with custom text (15 characters) sealed under heatshrink | Heavy Duty Speaker Cable for bass guitar / sub woofer. | £24.60 | £0.48 | £4.80 |
| Instrument Cable Repair – reuse connector | Fix for damaged instrument cable, reusing connector if possible | Cut away old cable and resolder or replace accordingly. Worthwhile for high quality cables | £9.00 | ||
| Instrument Cable Repair | Fix for damaged instrument cable. Replacing connector with Neutrik Connector straight 6.35mm | Cut away old cable and resolder or replace accordingly. Worthwhile for high quality cables | £14.00 |
Hourly Charging Rate
Charging rates used across all services. Charging is rounded to 15 minute periods| Charging Rate | Description | Rate / hour |
|---|---|---|
| Diagnosis Rate | Covers assessment, diagnosis and measurement. | 42 |
| Build Rate | Covers build and rework activity. | 30 |
| Fast Track Surcharge | Surcharge for quick turnaround and skipping the queue, subject to availability | 30 |
Notes:
- Prices are reviewed each year in line with inflations
Last updated 28/12/2025
17:07.
Parts Pricing
| Valve Type | Brand | Price |
|---|---|---|
| Rectifiers | ||
| EZ81 / 6CA4 | JJ | £26.50 |
| GZ34 S/ 5AR4 | JJ | £34.75 |
| 5U4GB | JJ | £28.25 |
| 5Y3 S | JJ | £34.50 |
| Pre Amp | ||
| ECC81 / 12AT7A | JJ | £23.00 |
| ECC82 / 12AU7A | JJ | £22.25 |
| ECC83S / 12AX7T | JJ | £19.50 |
| 6072A / 12AY7 | JJ | £32.00 |
| Power | ||
| 6550 | JJ | £52.00 |
| 5881-RS | Sovtek | £43.75 |
| 6L6GC | JJ | £35.00 |
| 6V6 S | JJ | £33.50 |
| EL34 | JJ | £30.25 |
| EL84 | JJ | £21.50 |
| Panel Parts | Price | |
| Marshalls | ||
| Jack Sockets | Cliff | £4.00 |
| Pots | Alpha, Alps | £4 to 6 |
| Fenders | ||
| Jack Sockets | Switchcraft | £12.00 |
| Plastic Jack Sockets | Fender | £4.00 |
Notes:
- Valve price fluctuations are daily due to sanctions and currency variations
- Most popular valves kept in stock to cover gig emergencies or those in need of a backup in the Bristol, South West area.
- No shipping available.