Every piece is made to order
These are the designs we build most. Each one is a starting point. Prices show where a finished build starts, so you can plan before we talk.
EssentialEssential 300B Single-Ended
The 300B sound at an accessible price, with transformers wound in Thailand.
EssentialEssential EL84 Single-Ended
A compact single-ended amp with transformers wound in Thailand. The easiest way into our sound.
Most requested300B Single-Ended Stereo
The classic 300B amplifier, one chassis, voiced for 90 dB speakers and up.
Flagship300B Two-Stage Monoblocks
Our flagship: four chassis per pair, a directly heated driver feeding the 300B through an interstage transformer.
Small rooms45 & 50 Single-Ended
Low-power directly heated triodes for very sensitive speakers. Clear, quiet and fast.
Rare triodesVT-51, VT-25 & 300B-XLS
Amplifiers built around rare thoriated and large-plate triodes, each one a single commission.
More powerPush-Pull & Fully Balanced
Push-pull triode and pentode amplifiers for speakers that need more grip.
Sakuma schoolTwo-Way Bi-Amp
A 300B for the highs and EL156 push-pull for the lows, with the crossover built in.
EssentialEssential LCR Phono Stage
Our LCR phono sound with EQ coils wound in Thailand, in two chassis with a separate power supply.
EssentialEssential Line Preamplifier
A simple tube line stage with two inputs. Adds warmth and drive to any system.
EssentialEssential Two-Chassis Line Preamp
A tube line preamplifier with its power supply in a separate chassis, for a quieter background.
SignatureLCR Phono + Line Preamplifier
A full tube preamplifier with an LCR phono stage and a separate power supply.
VinylLCR Phono Stage
A dedicated LCR phono stage with a separate supply and easy-to-swap tubes.
PuristDHT Line Preamplifier
A line preamp built on directly heated triodes such as the #31, with an autoformer volume.
No tubes neededPassive TVC / AVC Preamp
Volume control with transformers instead of resistors. Silent, simple, no power cord.
In stock sometimesMC Step-Up Transformers
Step-up transformers matched to your moving-coil cartridge, stereo or mono.
PracticalSpeaker Selectors & Switches
Switch between two amplifiers or two speakers without unplugging anything.
Made to fitTransformer Cases & Interfaces
Cases and wiring for vintage transformers, isolation and step-down boxes.
Speaker workCustom Crossover Networks
New crossovers for classic JBL, Altec, Tannoy and Great Plains speakers.
For the rare onesField-Coil Power Supplies
Tube or adjustable supplies for field-coil drivers and tweeters.
Quoted per jobRestoration & Modification
Repairs, new power supplies and careful upgrades for vintage equipment.
For spacesCafé & Lifestyle Tube Amps
Tube amplifiers with Bluetooth built in, made for cafés, bars and living rooms.
TurnkeyComplete Listening Systems
Speakers, amplifier, source and setup planned together for a home or hospitality space.