Skip to content

Transformers
Matching
Ribbon Microphone
Mic. & Line Level
Communication
Stereo to Mono Couplers
Combiner/Splitter
Tri-Filar/Quad-Filar
BuzzBucker
Audio Distribution
Speaker Side
Amplifier Output
Bidirectional
Distribution Voltage Matching
Classic Tube Audio
Single Ended Output
Interstage Tube Driver
Push-Pull Output
Chokes/Inductors
DC Power Chokes
Power
Low Voltage
High Voltage Plate/Filament
Solid State
Multi Voltage Tapped
Parts
Coil Bobbins
Nylon 6/6 Glass Filled
Core Material
Steel Laminations
Hardware
End Bells
Brackets
Channels/Frames
Stickers
Classic EDCOR
EDCORUSA
Mounting Insulators/Pads
EI087 (7/8")
EI100 (1")
EI125 (1 1/4")
EI150 (1 1/2")
Amps/Kits
Pete Millett
Single Ended Amps
Push-Pull Amps
Bruce Heran (OddWatt)
Pre-amps
Push-Pull Amps
Dynaco
Push-Pull Amp
Fender
Bronco
Champ
Champion
Princeton
DECWARE
ZEN Kit #1
ZEN Kit #2
SWAG
Custom
Blogs
The Gallery

EDCOR Electronics Corporation

EDCOR Electronics Corporation

SWAG
Custom Design Transformer
- Hi-Tek Gadgeteer
- Designing a Transformer
The Gallery

Cookie policy

I agree to the processing of my data in accordance with the conditions set out in the Privacy Policy.

Bruce Heran (OddWatt)

Home
Bruce Heran (OddWatt)

Bruce Heran (OddWatt)

Bruce Heran's (OddWatt Audio) project amplifiers.

1 product

Sort by

Sort by

Featured Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old

The Groovewatt Tube (Valve) RIAA Phono Preamp Project

The Groovewatt Tube (Valve) RIAA Phono Preamp Project

Sale price$0.00 USD

Hours of Operation

Monday - Thursday
7:00am to 3:30pm (MST)

Sales

sales@edcorusa.com
575-887-6790

Tech Support

FAQ
support@edcorusa.com

Secure payments

We offer safe and secure credit card and electronic payment for our customers.

Products

Matching
Audio Distribution
Classic Tube Audio
Chokes/Inductors
Power
Parts
Amps/Kits

More Info

Reviews
Contact Us
Designing a Transformer
Hi-Tek Gadgeteer
Support
Made in USA!
UK & EU Counties

Company

About Us
Shipping Policy
Refund Policy
Terms of Service
Privacy Policy
RMI Conflict Metals Reporting Template (CMRT)

Newsletter

Receive updates on new products, blog posts, and announcements.

Your e-mail

EDCOR is a US audio and power transformer manufacturer. We have been in business for over 50 years manufacturing high quality products.

Follow us:

©2025 EDCOR Electronics Corporation All Rights Reserved

We accept