adjustable performance

Harrelson Trumpets
  • Performance
    • VIP Private Offers
    • Instagram Community
    • SpectraTone
    • Build My Mouthpiece >
      • Intro to Mouthpieces
      • Artist Series >
        • Artist Bodies
        • Artist Rims
    • Mouthpiece Components >
      • Rim Sizes
      • Cup Sizes
      • Throat Sizes
      • Body Sizes
      • Backbore Sizes
      • Nut Sizes
    • Increase Efficiency >
      • Mod Kits
      • Finger Button Options
    • Adjustable Performance
    • Adjustable Peformance Tools
  • Advantage
    • The Harrelson Story
    • Technology
    • News >
      • Jason's Blog >
        • Jason Harrelson
      • Jen's Blog
      • Clinics & Tours
      • Company History
      • Lessons Link >
        • Teacher Information
      • Get Social
    • Clients >
      • Our Clients >
        • Client Features
      • Trumpet Components >
        • Leadpipes & Bells
        • Tuning Slides & Bell Crooks
        • Receivers
        • Bottom Cap options
        • Water Keys
      • Contact Us
      • Shipping
      • Instrument Registry
      • Acclimation
      • Maintenance
    • Trumpet Momentum >
      • Trumpet Momentum Level 1 >
        • TM 1 - Blog
        • TM 1 - Assessments
        • TM 1 - Exercises
      • Trumpet Momentum Level 2 >
        • TM 2 - Blog
        • TM 2 - Assessments
        • TM 2 - Exercises
        • TM 2 - Beta Testing
      • Trumpet Momentum Level 3 >
        • TM 3 - Blog
        • TM 3 - Assessments
        • TM 3 - Exercises
        • TM 3 - Beta Testing
        • TM 3 - Case Studies
        • TM 3 - Regional Clinics
    • We have Your size
    • 100% Guarantee
  • Store
  • Instruments
    • Model Comparison
    • Buy A Harrelson
    • Muse Modular MMXX
    • 2023 VPS Summit G-Series
    • "X" Series
    • Trumpet Gallery
Picture

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?

Picture

On Sale

On Sale

VGR - Venturi Gap Receiver System

$250.00 - $655.00

Watch the video below to see how we transformed an average Bach trumpet into a truly amazing instrument...

Shop

Complete Mouthpiece Gap Solution Kit

$125.00

The more affordable way to adjust gap, impedance, flexibility, and slotting!

Shop

Mouthpiece Gap Shims

$44.00
Choice of .340 and .345 venturi
Shop

Personalized Upgrades

$30.00 - $300.00

Custom Engraving - Valvesets, Bracing, Mouthpieces, Receivers, Mod Kits

Harrelson Trumpets uses a high quality laser to engrave your design up to .050" deep with a line width as narrow as .001". Just about anything is possible, so ask and we'll give you an idea of options and pricing with fast turnaround times. Hand written signatures are encouraged.

Shop

VGR - Inserts (individual)

$6.25

Upgrade your VGR with Inserts in various sizes


  • smaller venturi = easier high register, less air flow
  • larger venturi = broad tone
  • shorter length (2, 4, 6) = more flexibility
  • longer length (10, 12, 14) = harder slotting
  • no venturi = 18, designed for extra long shank mouthpieces


Options:

- Inserts available in any venturi diameter from .315 through .360

- All inserts are available in any gap length from #2 (.020 gap) through #16 (.160 gap)


NOTE: The #18 insert does not have a venturi as there is no shoulder.

Shop

VGR - Insert Sets

$30.00 - $350.00

Our VGR Insert Sets allow you to upgrade your VGR with Inserts in various sizes.


Sets available in 5, 10, 20 and 99 packs.


  • smaller venturi = easier high register, less air flow
  • larger venturi = broad tone
  • shorter length (2, 4, 6) = more flexibility
  • longer length (10, 12, 14) = harder slotting


Custom options (call to order)

- Inserts available in any venturi diameter from .315 through .360

- All inserts are available in any gap length from #2 (.020 gap) through #18 (.180 gap)


Note: 99pc kits are custom order only as they are only made once per year

Shop

Gap Shim Sets (custom)

$7.00 - $89.00

Gap shims may be ordered with the following parameters:

1) venturi choice of .340, .345, .348, .350

2) outside diameter from .373, .378, .383, .388

3) available lengths .020, .040, .060, .080, .100, .120, .140, .160, .180, .200


Most trumpet receivers will fit .383" outside diameter, which we designate as "standard".


.373 and .378 are recommended if your current "standard" shims do not reach the bottom of your receiver.


.383 and .388 are recommended if your current "standard" shims are loose at the bottom of your receiver.


Please allow up to 12 weeks for shipment as we cut custom orders every third month.

Shop

VGR - Components

$95.00 - $450.00

Watch the video below to see how we transformed an average Bach trumpet into a truly amazing instrument...


Join the hundreds of players who have discovered the secret to finding the sweet spot on their favorite horn. Quickly adjust mouthpiece gap, venturi, airflow, flexibility and slotting on any trumpet. Increased resonance matching between any horn and mouthpiece will make difficult passages so much easier!


Originally developed for Harrelson instruments, now you can experience the Variable Performance System (VPS) on your Bach, Yamaha, Schilke or any other Bb or C trumpet.


Purchase Individual Components here if you choose. Full VGR Kit available for purchase in our store in this same category. Call or email with questions.

- Choice of Receiver size/shape

- Choice of raw brass, silver or gold plating*

- Choice of Mount or no Mount

- Installation instructions and videos suitable for any repair tech or home installation


Shop

SWE Leadpipe w/VGR - Venturi Gap Receiver System

$1,195.00 - $1,495.00

Harrelson SWE Leadpipes are the most versatile and efficient solution available today. Our 3rd generation SWE leadpipe is CNC machined up to 100% thicker than previous generations.


SWE (Standing Wave Efficiency) Technology sets Harrelson solutions apart from all other brand manufacturers.

Learn how and why SWE will take your playing to the next level.


The VGR (Venturi Gap Receiver) System is integrated into this leadpipe. Join the hundreds of players who have discovered the secret to finding the sweet spot on their favorite horn. Quickly adjust mouthpiece gap, venturi, airflow, flexibility and slotting on any trumpet. Increased resonance matching between any horn and mouthpiece will make difficult passages so much easier!


Originally developed for Harrelson instruments, now you can experience the Variable Performance System (VPS) on your Bach, Yamaha, Schilke or any other Bb or C trumpet. You only need to supply the female (or male tube for reverse designs) to fit your tuning slide. In some cases, we may have the correct size tube for your specific make/model trumpet.


See our leadpipe chart here


This SWE/VGR Leadpipe Includes:

- Choice of Receiver size/shape

- Choice of raw brass, silver or gold plating*

- Choice of Insert venturi size (.342 and .344 recommended to start your set)

- 9 VGR Inserts (2, 4, 6, 8, 10, 12, 14, 16 & 18)

- Instructions and videos tutorials. We recommend professional installation by your local repair technician.


Options:

- Inserts available in any venturi diameter from .315 through .360

- All inserts are available in any gap length from #2 through #18 (.180 gap length)

*polished silver and gold are available upon request and may require 3-4 weeks additional time for plating

Shop

Digital Caliper - 6" Stainless Steel

$30.00

Sold out

Digital Calipers are perfect for verifying dimensions of various components including inside and outside diameters and lengths. Very helpful with VGR inserts to confirm inside diameter, verifying finger button, stem, top/bottom caps dimensions and much more.

Shop

Digital Caliper - 6" Plastic

$8.00

Digital Calipers are perfect for verifying dimensions of various components including inside and outside diameters and lengths. These plastic calipers are less expensive and measure two decimal points as shown in the photos.

Shop

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

Location

Have questions?

Send an email by clicking the envelope icon to the right. Or call ahead and visit us for an in-person lesson or tour. 303.657.2747

Take your playing to the next level with Trumpet Momentum Levels 1, 2, and 3!

Ask Jason...

    Subscribe Today!

Submit
  • Performance
    • VIP Private Offers
    • Instagram Community
    • SpectraTone
    • Build My Mouthpiece >
      • Intro to Mouthpieces
      • Artist Series >
        • Artist Bodies
        • Artist Rims
    • Mouthpiece Components >
      • Rim Sizes
      • Cup Sizes
      • Throat Sizes
      • Body Sizes
      • Backbore Sizes
      • Nut Sizes
    • Increase Efficiency >
      • Mod Kits
      • Finger Button Options
    • Adjustable Performance
    • Adjustable Peformance Tools
  • Advantage
    • The Harrelson Story
    • Technology
    • News >
      • Jason's Blog >
        • Jason Harrelson
      • Jen's Blog
      • Clinics & Tours
      • Company History
      • Lessons Link >
        • Teacher Information
      • Get Social
    • Clients >
      • Our Clients >
        • Client Features
      • Trumpet Components >
        • Leadpipes & Bells
        • Tuning Slides & Bell Crooks
        • Receivers
        • Bottom Cap options
        • Water Keys
      • Contact Us
      • Shipping
      • Instrument Registry
      • Acclimation
      • Maintenance
    • Trumpet Momentum >
      • Trumpet Momentum Level 1 >
        • TM 1 - Blog
        • TM 1 - Assessments
        • TM 1 - Exercises
      • Trumpet Momentum Level 2 >
        • TM 2 - Blog
        • TM 2 - Assessments
        • TM 2 - Exercises
        • TM 2 - Beta Testing
      • Trumpet Momentum Level 3 >
        • TM 3 - Blog
        • TM 3 - Assessments
        • TM 3 - Exercises
        • TM 3 - Beta Testing
        • TM 3 - Case Studies
        • TM 3 - Regional Clinics
    • We have Your size
    • 100% Guarantee
  • Store
  • Instruments
    • Model Comparison
    • Buy A Harrelson
    • Muse Modular MMXX
    • 2023 VPS Summit G-Series
    • "X" Series
    • Trumpet Gallery