fine tune flexibility, slotting & air flow

The VGR (Venturi Gap Receiver) will simplify your approach playing trumpet
Transform your trumpet into a modular system capable of every Venturi & Gap variation
Sold as a universal retrofit kit

increase efficiency

All VGR Kits are optimized for added efficiency meaning you produce more sound with less effort

control air flow

Strengthen the upper register by reducing air flow
Broaden your tone in all registers by increasing air flow
Adjust air flow for lead, all-around and section playing in seconds

flexibility vs. slotting

Increase flexibility or slotting in seconds
Lock notes in tighter or slide through partials with ease

how does it work?

VGR - Venturi Gap Receiver System

$395.00 - $450.00
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Mouthpiece Gap Measurement Tool

$48.00
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Mouthpiece Venturi Measurement Tool

$52.00
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Complete Mouthpiece Gap Solution Kit

$125.00
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Mouthpiece Gap Shims

$44.00
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Personalized Upgrades

$30.00 - $300.00
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VGR - Inserts (individual)

$5.00
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VGR - Insert Sets

$20.00 - $250.00
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Gap Shim Sets (custom)

$7.00 - $89.00
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VGR - Components

$95.00 - $450.00
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SWE Leadpipe w/VGR - Venturi Gap Receiver System

$1,195.00 - $1,395.00
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Digital Caliper - 4" Stainless Steel

$20.00
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what is included?

  • Receiver - choice of shape and outside diameter
  • Mount - replaces your original receiver
  • Set of .350 inside diameter Inserts in 8 lengths
  • Set of Inserts in 8 lengths in your choice of diameter
  • Size 18 Insert - no diameter change
  • Insert organizer Box
  • Detailed Instructions and video tutorials
  • Online & phone support for installation by you or your repair technician
  • Lifetime workmanship guarantee

tune your vgr

Video explaining the Venturi Gap Receiver

installation

Installation available through certified Trumpet Shops around the world
Install yourself with our Installation Guide

Interested in becoming a Harrelson certified VGR Install Shop?
Installation is available on almost any brass instrument and you can even do the retrofit yourself with a few simple tools. Complete instructions, video examples of use and installation and extensive insights directly from Harrelson Trumpets available below.

vgr articles

VGR Revolution - part I - Introduction
VGR Revolution - part II - Efficiency
VGR Revolution - part III - Air Flow, Flexibility & Slotting
VGR Revolution - part IV - Installation Tutorial

VGR/AGR Videos
VGR Installation Video #1 - First Summit AGR
VGR Installation Video #2 - Bach Retrofit (part 1)
VGR Installation Video #3 - Bach Retrofit (part 2)
VGR Installation Video #4 - Bach Retrofit (part 3)
VGR Installation Video #5 - Christine Installs an AGR on her Bach
VGR Installation Video #6 - Christine's Feedback after AGR installation
VGR Insert Size Identification
Every Summit Series trumpet and VGR is shipped with a laminated identification sheet illustrated to the right.
If you need a replacement, please download the "VGR Insert Size Identification" file below and print for your reference.
2014_agr_insert_sizes.pdf
File Size: 15 kb
File Type: pdf
Download File