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Tube preamp in Musical Instruments

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$25.00   Today
ART Tube MP Studio preamp - $25

Purchased new last October.Perfect shape. Sounds great, no issues. I used it with all of my passive basses, and sounds especially good with my piezo pickup upright.Comes with power supply, original box and everything that was in it.Only selling because I have 2.

$175.00   1 week ago
Real Tube rack mounted preamp - $175

Up for sale is a really cool rack mount preamp unit by B.K. Butler.....Real Tube 12ax7 overdrive!Tube preamp really warms up your signal, whether it's a tube amp or power amp, or if it's solid state.You've got a 3 band parametric EQ plus a contour button, in addition to gain and master volume controls. You also have a boost switch available as well. Comes with a hardwired electrical plug so you do

$1.00   1 week ago
WANTED: Tube Guitar Preamp (rack) - $1 (Sardis)

WANTED: Rack mounted TUBE Guitar Preamp.....such as:- Digitech Valve FX- ADA MP-1- ADA MP-2- Marshall 9000 (tube) or 9004 (solid state)- Rocktron VooDu Valve- Peavey Rockmaster- Mesa Boogie V twin- Marshall JMP-1- others? I'm preferring a midi programmable unit, but still open to non programmable units. Needs to be fully functional & no issues or damage. Minor to moderate cosmetic wear is acce

$40.00   1 week ago
New Behringer MC100 tube preamp - $40

New,unused,with manual,power supply.Only $40.If youre seeing this ad,its still available.

$399.00   1 week ago
Johnson millenium JM150 combo, tube preamp & effects - $399 (Syracuse)

Johnson Millenium tube preamp/processor (digitech 2112 using TWO -12AX7 tubes)built into a 2 X 12" combo with it's original older British made Celestion vintage 30eighty-watt speakers, and a 150-watt stereo power output. Excellent sounding, youcan dial up many different types of guitar sounds with this. The amp stores 99 useradjustable preset patches. Very loud & powerful. These are selling for ov

$199.00   1 week ago
Digitech 'Twin Tube' GFX-1 Guitar Preamp with 12AX7 TUBES - $199 (Palm Springs)

Digitech 'Twin Tube' GFX-1 Guitar Preamp uses two 12AX7 Vacuum TUBES to make any amp or PA systen sound like a Vintage Tube Guitar amp or the latest modern Tube Guitar amp sounds and effects like digital reverb, Delays and lush Chorus ETC. please click the REPLY box above

$40.00   1 week ago
Art Tube MP Preamp - $40 (Santa Maria)

Art Tube MP Preamp with power supply. Tube preamp great for recording or live use.

$75.00   1 week ago
ULTRAGAIN PRO BEHRINGER MIC2200 TUBE PREAMP - $75 (SOUTHEAST / PEARLAND / HOBBY)

Preamp is in like new condition . This Tube Preamp will make any sound sweet with lot of features . $75 is firm and cheap .

$130.00   2 weeks ago
Studio Projects VTB1 tube preamp - $130 (Eau Claire)

Like new preamp with less then 15 hours of use. Very nice unit for warming up digital or analog signals. You can control saturation, input and output levels. Great for studio or stage. Power supply included. $130.00. Call or text Sean @

$399.00   3 weeks ago
Johnson millenium JM150 combo, tube preamp, effects - $399 (Syracuse)

Johnson Millenium tube preamp/processor (digitech 2120) built into a 2 X 12" combo with a 150-watt stereo power amp. Cabinet houses a pair of british made Celestion Vintage 30's, handling 80 watts each. Excellent sounding, you can dial up many different types of guitar sounds with this. Really great drive sounds, clean sounds, many different reverbs, delays, chorus, sweep modulations, also has its

$200.00   1 month ago
DBX 586 Two channel microphone preamp and EQ TUBE - $200 (Colorado Springs)

This is a cool unit. Two channel tube microphone preamp from DBX with a limiter and EQ. Only the DBX 586 is for sale!If this is still up it is still available!

$40.00   1 month ago
New Behringer MC100 tube preamp - $40

New,unused,with manual,power supply.Only $40.If youre seeing this ad,its still available.

$399.00   1 month ago
Johnson millenium JM150 combo, tube preamp & effects processor - $399 (Syracuse)

IF YOU SEE THIS POST IT IS STILL AVAILABLEJohnson Millenium tube preamp/processor (digitech 2120 with TWO 12AX7 tubes) in a 2 X 12" combo with a 150-watt stereo power amp. Cabinet houses a pair of older british made Celestion Vintage 30's, handling 80 watts each. Excellent sounding, you can dial up many different types of guitar sounds with this. Really great drive sounds, clean sounds, many diffe

$150.00   1 month ago
TUBE mic/instrument PREAMP/Compressor...SMPro TC01 AWESOME MIC PRE!!! - $150 (desert)

TUBE mic/instrument PREAMP/Compressor...SMPro TC01 AWESOME MIC PRE!!!hate to part with this gem$150 firmscore

$150.00   1 month ago
ART Digital MPA-II 2-Channel Tube Microphone Preamp - REDUCED - $150

PRICE REDUCED!!!!!!Bought two units and only need one. Typical rack rash on the top of the unit. Not the front where it can be seen when installed. The only issue is the light-bulb on Channel two needs replaced. If you call ART they will give you three replacement bulbs for you to change it out. $200 off just becuase of a dim UV meter ain't half bad.....get it? half-......bad.....I'm offering this

$130.00   1 month ago
Studio Projects VTB1 tube preamp - $130 (Eau Claire)

Like new preamp with less then 15 hours of use. Very nice unit for warming up digital or analog signals. You can control saturation, input and output levels. Great for studio or stage. Power supply included. $130.00. Call or text Sean @

$239.00   1 month ago
Marshall Valvestate 2000 AVT20 Combo valve/tube preamp Made in England - $239 (Kempsville)

Marshall Valvestate 2000 AVT20This amp is in great condtion and is very loud.2 channels,Cd input,DI,Headphones,External out,tube preamp,12" speaker,reverb.Everything works great!Made in EnglandCall,text or email Steve 757_seven,,four/eight a ,nine too nine zeroooo

$200.00   1 month ago
Engl 620 Tube Preamp - $200 (Peru)

In good condition for its age, sounds fantastic as you could expect from Engl. Works perfectly. Runs on 3 12AX7's, stereo outputs selectable line/instrument level, as well as stereo FX loop.Asking $200. Located in Peru, just south of Plattsburgh.

$750.00   2 months ago
Mesa Boogie Quad all-tube Preamp + footswitch - $750 (Portland)

Mesa Boogie all-tube Quad Preamp complete with a Foot Switch and cable - $750 O.B.O.Metallica used Mesa Quad in their rig. -Four foot-switchable channels with independent Mesa's famous graphic EQ's-Covers Mark IIC+ and Mark III rhythm and lead channels in a box-Lucious reverb: dual tube driven reverb (a long and a short reverb tanks!)-all-tube signal path-8 x 12AX7 tubes, totally independent signa

$40.00   2 months ago
tube microphone preamp - $40

Tube microphone preamp by project r/ Paia. Call or text 231-7 three 0-0 two 40


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Last Updated on: March 28, 2017
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