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291EX replacement power transformer for tube guitar amplifiers, 290 Series

Hammond 291EX 330-0-330V 6.5VCT Guitar Amp Power Transformer

Hammond Manufacturing|

MPN: 291EX

|

UPC: 623980252377

In Stock
$117.60

Ships from and sold by A5 IT

Ground Shipping · $22.21Arrives by Monday, Oct 26
Order within 2h 49m to get it by Monday, Oct 26
New, with full manufacturer warranty
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Key Features

  • Replacement power transformer for guitar amps, 290 Series
  • Short description: 330-0-330, 6.5VCT@3.15A
  • 6.5V centre-tapped winding rated 3.15A
  • Designed for drop in replacement of original units
  • 7.65 lbs (3.47 kg) shipping weight
  • RoHS and REACH compliant

The 291EX is a power transformer from the 290 Series, described by the manufacturer as a replacement for guitar amps. It is intended for amp technicians and builders who have identified this part number or need a transformer with its listed winding summary.

The manufacturer's short description gives the key ratings as 330-0-330, 6.5VCT@3.15A: a centre-tapped high voltage winding described as 330-0-330 and a 6.5V centre-tapped winding rated 3.15A. The part page does not list a primary voltage, amp model or winding type for this part, so confirm these details against your application before ordering.

Like every 290 Series part, it was designed for drop in replacement of the original unit, physically designed to look similar to the original factory unit where possible, and built with materials and design specs kept as close as possible to the original part to preserve the stock tone.

The 291EX has a shipping weight of 7.65 lbs (3.47 kg). It is RoHS and REACH compliant, identified by UPC 623980252377 and UNSPSC 39121301. Its tagline describes it as a power transformer, replacement for guitar amp, 290 series.

Ideal For

  • Tube guitar amp power transformer replacement
  • Amp repair requiring a 330-0-330 high voltage winding
  • Guitar amp restoration

Overview

Series290 Series (Tube Guitar Amplifier - Power Transformers, Replacement & Upgrades)
Product TypePower transformer, replacement for guitar amp, 290 series
Short Description330-0-330, 6.5VCT@3.15A

Identifiers

UPC623980252377
UNSPSC39121301

Packaging & Shipping

Shipping Weight7.65 lbs (3.47 kg)

Construction & Finish

AppearanceDesigned to look similar to original factory units (where possible)
Design IntentDesigned for drop in replacement of original units
Materials & Design SpecsKept as close as possible to the original part to preserve the stock "tone"

Compliance & Certifications

RoHS CompliantYes
REACH CompliantYes

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Frequently Asked Questions

What are the 291EX ratings?▾

The short description lists 330-0-330, 6.5VCT@3.15A.

What primary voltage does the 291EX use?▾

The supplied data does not list a primary voltage for this part.

What is it used for?▾

It is described as a replacement power transformer for guitar amps in the 290 Series.

How much does the 291EX weigh?▾

7.65 lbs (3.47 kg) shipping weight.

Is it RoHS compliant?▾

Yes, it is listed as RoHS and REACH compliant.