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Vintage 1940s Turner BX harp microphone old used deco antique midcentury # 2

Vintage Turner N.O.S L40 Microphone

Turner Road King #RK56 Microphone

Vintage 1950's Snyder microphone desk stand deco old used Turner Shure E.V # 4

35A DYNAMIC OMNI DIRECTIONAL LAVALIER TURNER MICROPHONE

Vintage Atlas 13 inch gooseneck microphone stem old used Shure Turner

Vintage 1940's Turner 22X microphone deco old antique harp mic midcentury # 3

Working Turner SSB+2 amplified Microphone for Ham Radio, CB, PA Amplifiers

Turner-454-X-SSB-Desk-Mic

Vintage Turner Plus Three Microphone! CB Ham Radio!

NEW ROAD KING Microphone RK56B RK 56 Wired 4 Pin CB Radio Mic TELEX TURNER SAVE$

TURNER BX, CX, BD, RCA challenger Bullet Harmonica Mic GASKET for Shure CR/CM

Turner 866H Dynamic Microphone w/ Shorts in Cable - High Impedance S17597

Turner 866H Vintage Cardioid Dynamic Microphone - High Impedance S17595

Vintage Turner 35A Microphone

ROBYN T-123B RESTORED TUBE CB RADIO BASE EXCELLENT CONDITION TURNER CS-1 MIC

CBS spring microphone flag for your vintage Turner, RCA mic

Turner Shark Fin SSB +2 Transistorized Vintage Microphone

Vintage RARE 1940's amphenol style microphone cable old used Turner Shure E.V

Vintage Turner + 2 Microphone SSB Mic CB Radio Transistorized Short Wave Band

Turner JM+3 Mic Microphone for CB / Ham Radio with 4 pin Cobra

VINTAGE 1960's TURNER MODEL 500 STUDIO DYNAMIC CARDIOID MICROPHONE MIC VG!!

Vintage Turner Model 251 Lo-Z Desk Microphone Cedar Rapids Iowa

Vintage 1940's Turner CX crystal microphone old used antique industrial deco

Beautiful Customized Turner Bullet Microphone with Excellent Tone!

Turner CS-1 Custom Special Amplified Base, Desk, Microphone for CB or Ham Radio

Custom Turner Harmonica Microphone

Turner 350C Microphone HT-Z CERAMIC

Galaxy DX99V-2 10 Meter Radio PRO TUNED AND ALIGNED, TURNER ROAD KING 56 MIC!

Pace Amplified Base Microphone. Model P5512. Rare version similar to Turner

Vintage Turner Plus Three Power Microphone

Vintage Turner +2 Microphone !

Vintage 1960s-70s Turner Table-style Ceramic Microphone

USED TURNER EXPANDER 500 DESK MIC

NBC spring microphone flag for your vintage Turner, RCA mic

UNIDEN MADISON AM/SSB CB RADIO/TURNER EXPANDER MIC/SSB MONSTER OPEN CLAIRFIER

Turner plus three microphone----polished aluminum

Vintage Classic 1950s Turner 80x Crystal Microphone Nice Finish

Vintage Turner 254C Ceramic Desk Microphone Wired for 4 Pin Kenwood

Vintage Classic 1950s Turner 80x Crystal Microphone

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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.