Owen Peter Thomas, is an independent guitar maker who has been fixing, tweaking, and customising instruments for almost two decades. OPT offers a series of guitars that prioritise the details, setup, and feel of the instrument.

The all-new ‘Cyfres 1’ is intended to be fun and an un-restraining experience, to enable the player to focus on performance. The overall feel and aesthetic of the guitar have been made as natural as possible, with subtle wear giving it a broken-in quality.

The initial models of the Cyfres 1 focus on a classic design with a creative twist. Each guitar is hand-refined with a uniquely designed carved headstock and pickguard, using sourced necks and bodies.

Carefully selected components have been fitted together to ensure that the guitar is ready to play straight out of the box and will be a reliable and stable instrument for years to come. 

The no-fuss 'Cyfres 1' guitar features an Alder body, roasted Maple neck, and Rosewood fretboard, providing a clear and full-bodied sound. The versatile ‘Filtertron’ ties it all together and sounds sublime; clean or dirty. 

The first complete model, serial number 001, is now available for sale and comes with a standard gig bag and accessory tin.

This guitar can be seen, demo'd & purchased from The Music Gallery in Tweedmouth, Berwick-upon-Tweed. Northumberland. Open Thur-Sat 11:30-5:00 pm

It can still be purchased online through Reverb, but will take an additional few days prior to shipping.

The guitar will be shipped using Parcelforce 48 within the UK, and delivery should take around 2-3 working days once the order has been collected and packed.

A variety of colour options for the body and pickguard can be ordered, and custom-built to your spec/preferences. If you have any questions please do not hesitate to get in touch!

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Thank you for your interest!



Model: Cyfres 1

Colour: Natural White / Orange Tiger

Serial No: OPT001

Weight: 7lb 10oz

Guitar Body:

- T Style

* Subtle Worn Sleek Satin Finish - Premium Nitro Alkyd

* Material - Alder - 2 piece

* Body Thickness: 44.45mm

* Shielded ; Conductive Paint

Guitar Neck:

- Roasted Maple / Rosewood Fretboard

* Scale Length - 25.5"

* C Shape Neck Profile

* Neck Thickness: 1st fret - 21.00mm / 12th fret - 23.5mm

* Truss Rod - Two Way

* Fretboard Radius - 9.5"

- Frets - 22 Frets

* Alternate Medium Jumbo Fret Wire - 2.9mm Wide 1.3mm Tall


- Polished Unbleached (Flat Bottom)

- Dimension: 42mm Wide

- String Spacing (E to E): 35mm


- 4 Ply - Yellow & Black Tiger (W/B/W) - 2.3mm thickness


- Gretsch HS High Sensitive Filter-Tron - Bridge pn: 006-2876-100

* DC Resistance 4.58k (avg)

* Magnet: Alnico

* Cover: Nickel


- CTS Pots - Solid Shaft

* Volume - 500k / Tone - 500k

* Linear Taper


- Cornell Dubilier "Orange Drop" Capacitor

- 1 x 0.022 @ 100v


- Heavy Knurl Chrome Barrel Knobs

Machine Heads:

- 6 in Line with Vintage Keys

- Ratio - 1:15

- Solid brass gears


- Chrome Hardtail

- Stainless Steel Block Saddles

String Trees:

- Gotoh RG15 & RG30 Round Barrel String Trees - Chrome

String Ferrules:

- Flush Ferrules - Knarled Edge - Chrome

Strap Buttons:

- 2 x Vintage Strap Pins - Chrome

Neck plate:

- Chrome Blank

Jack / Socket:

- Electro Socket Jack Holder

- Switchcraft Mono jack


- Elixir Nanoweb 10-46


- Standard Gigbag - 0.45in Thick Padded / Waterproof

- Carry Tin inc. Allen Keys / Swing Tag / Spec Sheet / Truss Rod Bung / Rubber Strap Locks / Plectrums

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
  • OPT Guitars
  • Cyfres 1
  • Premium Nitro Alkyd / Subtle Worn / Sleek Satin / Nat White
  • 2023
Made In
  • United Kingdom
Pickup Configuration
  • H
Finish Style
  • Satin
Fretboard Material
  • Rosewood
  • Medium Jumbo
Right / Left Handed
  • Right-Handed
Nut Width
  • 1.656"
Number of Strings
  • 6-String
Fretboard Radius
  • 9.5"
Offset Body
  • No
Wood Top Style
  • Plain
Body Type
  • Solid Body
Body Material
  • Alder
Neck Material
  • Rosewood
Scale Length
  • 25.5"
Body Shape
  • T-Style
Neck Construction
  • Bolt-On

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OPT Guitars

London, United Kingdom
Joined Reverb:2020

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