Hammond

Author: KMcAulay  Date Posted:3 July 2024 

 

Internal wiring of a high-end Hammond amplifier
 
 
Technical Excellence

Hammond Transformers & Chassis: The Gold Standard

Precision-engineered components curated by Evatco for valve amplifiers and high-fidelity audio engineering.

The Evatco Standard

For decades, Hammond Manufacturing has been the cornerstone of professional audio design. At Evatco, we curate the finest components, ensuring legendary reliability, thermal stability, and pure, unadulterated tone for boutique builders and Hi-Fi enthusiasts.

precision_manufacturing

Superior Build Quality

Vacuum impregnated coils and heavy-gauge steel lamination for zero mechanical hum and thermal efficiency.

SERIES: 1750 AUDIO
verified

Safety & Compliance

CSA and UL certified components ensuring your high-voltage circuits remain stable and secure under load.

ISO-9001 CERTIFIED
public

AU Voltage Spec

Full range of 240V primary transformers specifically engineered for the Australian power grid requirements.

 
LOCAL COMPLIANCE
 
Close up of a vintage Hammond transformer

Architected for Acoustic Perfection

waves

Concentric Windings

Minimizes leakage inductance, delivering tighter bass response and shimmering highs.

grid_view

Faraday Shielding

Built-in electrostatic shields eliminate line noise and parasitic oscillations in high-gain stages.

speed

Flat Frequency Response

Linear response from 20Hz to 20kHz, ensuring your build remains transparent and dynamic.

Vintage Series Drop-In Replacements

Restore classic amplifiers to factory specifications with exact mechanical matches.

American Series

Blackface & Silverface

Direct replacements for Bassman, Twin Reverb, and Deluxe models. 100% mechanical compatibility.

British Series

JTM & Plexi Era

Recreating the specific sag and compression characteristic of original Drake and Dagnall units.

Chime Series

AC30 & AC15 Spec

High-permeability core lamination designed for that unmistakable "Top Boost" sparkle.

Hammond output transformers on chassis

The Chassis: A Rigid Foundation

Every great build starts with a solid frame. Hammond’s professional-grade steel and aluminium chassis are designed to resist flexing and shield signals.

  • check_circle Heavy Duty 18-Gauge Steel
  • check_circle Satin Black Powder Coat Finish
  • check_circle Removable Bottom Plates Included
AVAILABLE SKUS 45+ Variations
MATERIAL TYPE Al & Steel

Ready to Level Up Your Build?

From massive power transformers to precise filter chokes, find everything you need to engineer the perfect sound.