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Amplified Blues Harmonica BBS
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Shure 520DX Green Bullet Mic

Shure 520DX Green Bullet Harmonica Microphone Mic

Shure 520DX Green Bullet Mic

Sony Mini 480 Res Helmet Camera NTSC Inline Mic 5V 2.8mm Wide Angle Bullet Cam

Sony Mini 480 Res Helmet Camera PAL Inline Mic 5V 2.8mm Wide Angle Bullet Cam

VINTAGE ASTATIC BULLET MICROPHONE Model UT 48 Cabinet only no Mic inside

vintage ASTATIC JT30 bullet BLUESHARP HARMONICA microphone

Custom Wood Bullet Hi-Z Ceramic Harp Mic Harmonica Microphone W/ Volume Control

Custom Wooden Bullet Magnetic Harp Mic / Harmonica Microphone / Cigar Box Guitar

Custom Wooden Bullet Magnetic Harmonica Microphone With Volume Control Harp Mic

Custom Hi-Z Wooden Bullet Ceramic Harp Mic Harmonica Microphone Cigar Box Guitar

Shure 520DX Omnidirectional Dynamic Harmonica Mic -"Green Bullet" w/ Vol Control

Vintage Astatic Corp Art Deco 1940's Gold Bullet Desk Microphone With Stand

Custom Shure Green Bullet Microphone - CM Element

Vintage Astatic model 200 Bullet Harp Mic Microphone

Vintage Astatic JT-30 Brown Bullet Harp Mic Microphone

Shure 520DX Harmonica Mic Green Bullet Dynamic Microphone PROAUDIOSTAR

Shure Brothers Art Deco Bullet Microphone Model 707A. Element 99A47. Dated 9-46

Custom Astatic 200S Hi-Z Harp Harmonica Bullet Microphone Webcor Crystal Element

Custom Astatic 200 Hi-Z Harp Harmonica Bullet Microphone Shure 99A86 CM Element!

Custom Vintage Hi-Z Dynamic Bullet Harp Mic Harmonica Microphone Import Element!

White bullet Headphone Earphone W/ Mic for iPhone 4S iPod Galaxy S3 Note 2 HTC

VINTAGE SHURE MICROPHONE 520 BULLET HARP MIC CONTROLLED MAGNETIC LQQK

ARGONNE AR-54 GREEN BULLET BLUES MICROPHONE CIRCA 1950's

Shure Bullet 520 - Vintage Working Microphone

Vintage RCA Bullet Mic

Olson Green Bullet M 105 Harmonica Microphone with Cord, Stand, and Jack

Vintage Shure Controlled Reluctance Bullet Harp Mic 99G86 ELEMENT Hi-Z Ham Radio

STAGE STAND HANGER HOLDER BULLET MIC MICROPHONE TAMBOURINE MANDOLIN VIOLIN VIOLA

Vintage Olson Green Bullet Microphone with Atlas Base

VINTAGE AMERICAN MODEL 3108 CHROME “BULLET” TYPE MICROPHONE - EXC.

1080P HELMET CAMERA BULLET CAM/MIC NIGHT VISION IR INFRARED GHOST HUNTER BIGFOOT

Vintage PRIMO Blues Harp Green Bullet Mic Crystal Microphone WORKS-SOUNDS GREAT

Vintage Green Bullet Microphone with Original Stand by Lafayette

Vintage argonne ar-3 high-z bullet mic microphone blues harp calrad lafayette

Shure 520SL controlled Magnetic HAM radio bullet microphone w/ Shure S36 Stand

Shure 520DX Harmonica Microphone Green Bullet

VINTAGE SHURE 520D BULLET HARP HARMONICA MICROPHONE w/ Atlas Stand

NICE 1939 Satin Chrome Shure Model 7A Bullet Crystal Harp Microphone W/ Element

Shure harp bullet mic & stand - very nice shape - HAVE A LOOK !

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Date: Wed, 12 Feb 2003 03:12:10 EST
From: Markburne~ol.com
Subject: Re: amp vibrato (was: Little Walter was Re: throat vibrato)

The Vibroverb,Tremoluxes & Princetons of that era (6G?) used the bias
modulation to achieve vibrato/tremolo/wobble but this method only requires 1
preamp tube. The 6G12 & 6G12A Concerts (as well as the
Pro/Bandmaster/Twin/Super of the same age) use 2-3 12AX7 tubes to split the
signal into highs and lows and and get them beating against each other.

The blackface AB763 Concert used the light dependent resistor found in most
other BF & SF amps.

Regards, Mark.