guitar tube pre amp for under $300

Find me a for under $

  • 5-Watt 1x8 Guitar Combo Tube Amplifier with Celestion Speaker, 12AX7 Preamp

    5-Watt 1x8 Guitar Combo Tube Amplifier with Celestion Speaker, 12AX7 Preamp

    $114.99

  • Rocktron Valvesonic Black Plate Tube Guitar Preamp Blackface

    Rocktron Valvesonic Black Plate Tube Guitar Preamp Blackface

    $299

  • Rocktron Gainiac Tube Series Guitar Pre Amplifier Rare Vintage

    Rocktron Gainiac Tube Series Guitar Pre Amplifier Rare Vintage

    $199.99

  • Vox AV60 modeling hybrid guitar amp, tube pre

    Vox AV60 modeling hybrid guitar amp, tube pre

    $250

  • Peavey Piranha 6505 Guitar Amplifier Head Tube Preamp, Tested, Plays Well!

    Peavey Piranha 6505 Guitar Amplifier Head Tube Preamp, Tested, Plays Well!

    $92.01

  • DV Mark DV Micro 50 CMT! Ciro Manna 50 Watt Tube Preamp Guitar Amp Head!Markbass

    DV Mark DV Micro 50 CMT! Ciro Manna 50 Watt Tube Preamp Guitar Amp Head!Markbass

    $279.99

  • Rocktron Gainiac Tube Series Guitar Pre Amplifier Rare Vintage

    Rocktron Gainiac Tube Series Guitar Pre Amplifier Rare Vintage

    $230

  • VOX MV50 Clean 50-Watt Hybrid Tube Guitar Amplifier Amp Head w/ Nutube Preamp

    VOX MV50 Clean 50-Watt Hybrid Tube Guitar Amplifier Amp Head w/ Nutube Preamp

    $219.99

  • 5C3 Tweed Deluxe Chrome Plated Steel Chassis Octal Preamp DIY Guitar Tube Amp

    5C3 Tweed Deluxe Chrome Plated Steel Chassis Octal Preamp DIY Guitar Tube Amp

    $51.99

  • Vox MV50 Clean 50-Watt Hybrid Tube Guitar Amplifier Amp Head w/ Nutube Preamp

    Vox MV50 Clean 50-Watt Hybrid Tube Guitar Amplifier Amp Head w/ Nutube Preamp

    $219.99

  • Guitar/Microphone 12AX7 TUBE Preamp - WARM, CLEAN - 55 db Gain - Great Sound!

    Guitar/Microphone 12AX7 TUBE Preamp - WARM, CLEAN - 55 db Gain - Great Sound!

    $198

  • Rocktron Gainiac Tube Series Guitar Pre Amplifier Rare Vintage

    Rocktron Gainiac Tube Series Guitar Pre Amplifier Rare Vintage

    $215

  • Vintage Victor projector amplifier guitar tube amp project chassis 5879 pre

    Vintage Victor projector amplifier guitar tube amp project chassis 5879 pre

    $225

  • Tube guitar preamp MAJESTIC based on JTM45

    Tube guitar preamp MAJESTIC based on JTM45

    $235

  • Rocktron Voodu Valve Tube Guitar Preamp Multi Effects Processor USA made

    Rocktron Voodu Valve Tube Guitar Preamp Multi Effects Processor USA made

    $285

  • LANEY IRT-Pulse Iron Heart Tube Pre-Amp & USB Guitar Audio Recording Interface

    LANEY IRT-Pulse Iron Heart Tube Pre-Amp & USB Guitar Audio Recording Interface

    $238

  • ALBIT BASS PRE AMP A2BP pro 12AX7 TUBE PREAMP MIJ  Bass Guitar Effect DI Pedal

    ALBIT BASS PRE AMP A2BP pro 12AX7 TUBE PREAMP MIJ Bass Guitar Effect DI Pedal

    $279.99

  • Tube guitar floor preamp Recto

    Tube guitar floor preamp Recto

    $235

  • Tube guitar preamp based on SLO

    Tube guitar preamp based on SLO

    $235

  • Vtg Tube Amp w/ Speaker ZENITH Guitar Amp Tone Volume Pre-amplifier Power WORKS

    Vtg Tube Amp w/ Speaker ZENITH Guitar Amp Tone Volume Pre-amplifier Power WORKS

    $149

  • (2) Genuine Fender Guitar Amplifier Amp Preamp Tube Shields 099-0723-000

    (2) Genuine Fender Guitar Amplifier Amp Preamp Tube Shields 099-0723-000

    $9.25

  • 812A Vacuum Tube Guitar Pre-Amp Tube High Power Audio Equipment Accessories

    812A Vacuum Tube Guitar Pre-Amp Tube High Power Audio Equipment Accessories

    $32.33

  • 6146B Vacuum Tube Guitar Pre-Amp Electric Tube High Power Audio Equipment

    6146B Vacuum Tube Guitar Pre-Amp Electric Tube High Power Audio Equipment

    $40.67

  • Tube guitar preamp based on SLO - revision 2.0

    Tube guitar preamp based on SLO - revision 2.0

    $280

  • Orange Micro Dark 20W Guitar Tube Preamp w/ Cabinet

    Orange Micro Dark 20W Guitar Tube Preamp w/ Cabinet

    $260.03

  • 1962 Fender Deluxe Pre-CBS Brownface Vintage Tube Guitar Amp 1x12 w  Oxford 12K5

    1962 Fender Deluxe Pre-CBS Brownface Vintage Tube Guitar Amp 1x12 w Oxford 12K5

    $1.11

  • Mini  Bluetooth Electric Bass Guitar Amplifier Tube Preamp AMP Speaker 20W Music

    Mini Bluetooth Electric Bass Guitar Amplifier Tube Preamp AMP Speaker 20W Music

    $212.99

  • JOYO BlueJay BantamP Compact 20-Watt Guitar Amp Head w/ 1x 12AX7 Preamp Tube

    JOYO BlueJay BantamP Compact 20-Watt Guitar Amp Head w/ 1x 12AX7 Preamp Tube

    $149.99

  • Mesa/Boogie 12AX7 Replacement Guitar Amplifier Preamp Tube (Individual)

    Mesa/Boogie 12AX7 Replacement Guitar Amplifier Preamp Tube (Individual)

    $20.99

  • JJ Tesla 12AX7 Vacuum Tube MATCHED PAIR Electric Guitar Amplifier ECC83 Preamp

    JJ Tesla 12AX7 Vacuum Tube MATCHED PAIR Electric Guitar Amplifier ECC83 Preamp

    $24.95

  • Mesa/Boogie SPAX7 Replacement Guitar Amplifier Preamp Tube (Individual)

    Mesa/Boogie SPAX7 Replacement Guitar Amplifier Preamp Tube (Individual)

    $23.99

  • JJ Tesla 12AX7 Vacuum Tube Electric Guitar Amplifier ECC83 Preamp

    JJ Tesla 12AX7 Vacuum Tube Electric Guitar Amplifier ECC83 Preamp

    $12.95

  • Tube Set for Rivera TBR-4 Preamp- electric guitar amp TUBE AMP DOCTOR valves

    Tube Set for Rivera TBR-4 Preamp- electric guitar amp TUBE AMP DOCTOR valves

    $187.95

  • Peavey Super T Preamp Tube (12AT7 / STR-389 tube) Guitar Amplifier Parts

    Peavey Super T Preamp Tube (12AT7 / STR-389 tube) Guitar Amplifier Parts

    $16.99

  • LR Baggs Para DI Acoustic Guitar Direct Box EQ Preamp

    LR Baggs Para DI Acoustic Guitar Direct Box EQ Preamp

    $199

  • Mesa/Boogie SPAX7 Replacement Guitar Amplifier Preamp Tube (Individual)

    Mesa/Boogie SPAX7 Replacement Guitar Amplifier Preamp Tube (Individual)

    $23.99

  • LR Baggs PARA Acoustic DI 5-Band EQ Aoucstic Guitar Preamp Direct Box

    LR Baggs PARA Acoustic DI 5-Band EQ Aoucstic Guitar Preamp Direct Box

    $199

  • L.R. Baggs Para Acoustic DI - Guitar Preamp and Direct Box

    L.R. Baggs Para Acoustic DI - Guitar Preamp and Direct Box

    $189.99

  • LR Baggs Para Acoustic DI Guitar Preamp, 5 Band EQ, XLR Out, Phantom Power NEW!

    LR Baggs Para Acoustic DI Guitar Preamp, 5 Band EQ, XLR Out, Phantom Power NEW!

    $199

  • LR Baggs Para Acoustic Guitar DI and Preamp

    LR Baggs Para Acoustic Guitar DI and Preamp

    $199

  • Peavey Super 7's 12AX7 Preamp Guitar Amplifier Tubes

    Peavey Super 7's 12AX7 Preamp Guitar Amplifier Tubes

    $35.35

  • LR Baggs Para DI Acoustic Guitar Preamp / DI with 5-band EQ

    LR Baggs Para DI Acoustic Guitar Preamp / DI with 5-band EQ

    $199

  • 5C5 Tweed Pro Chrome Plated Steel Chassis Octal Preamp DIY Guitar Tube Amplifier

    5C5 Tweed Pro Chrome Plated Steel Chassis Octal Preamp DIY Guitar Tube Amplifier

    $55.89

  • Vintage PIAA TubeHead 2 Tube Guitar Preamp Kit (UNASSEMBLED)

    Vintage PIAA TubeHead 2 Tube Guitar Preamp Kit (UNASSEMBLED)

    $169

  • Fender MTG Tube Distortion Guitar Effects Pedal w/ 6205 Preamp Tube

    Fender MTG Tube Distortion Guitar Effects Pedal w/ 6205 Preamp Tube

    $199.99

  • AMT Electronics SS-20 Tube Guitar Preamp 3-CHANNEL Pedal Distortion

    AMT Electronics SS-20 Tube Guitar Preamp 3-CHANNEL Pedal Distortion

    $290

  • AMT Electronics Bricks R/S-Lead (Mesa/Soldano)- 1 channel tube guitar preamp

    AMT Electronics Bricks R/S-Lead (Mesa/Soldano)- 1 channel tube guitar preamp

    $195

  • Yerasov TM-1 Tube Monster Guitar Preamp w/ 12AX7

    Yerasov TM-1 Tube Monster Guitar Preamp w/ 12AX7

    $70

  • AMT NEW Bricks M-Lead (Marshall JCM800 Emulates) - 1 channel tube guitar preamp

    AMT NEW Bricks M-Lead (Marshall JCM800 Emulates) - 1 channel tube guitar preamp

    $180

  • Two Notes Audio Engineering Le Lead 2-Channel Guitar Tube Preamp and Overdrive

    Two Notes Audio Engineering Le Lead 2-Channel Guitar Tube Preamp and Overdrive

    $294.99

  • AMT Electronics Bricks Vx-Clean (VOX AC30) - 1 channel tube guitar preamp

    AMT Electronics Bricks Vx-Clean (VOX AC30) - 1 channel tube guitar preamp

    $195

  • AMT Electronics Bricks D-Lead (Diezel)- 1 channel tube guitar preamp

    AMT Electronics Bricks D-Lead (Diezel)- 1 channel tube guitar preamp

    $195

  • AMT Electronics SS-11 3-Channel Dual Tube Guitar Preamp

    AMT Electronics SS-11 3-Channel Dual Tube Guitar Preamp

    $199

  • ART MP STUDIO TUBE MICROPHONE PREAMPLIFIER INSTRUMENT GUITAR 12AX7 P48 CONDENSER

    ART MP STUDIO TUBE MICROPHONE PREAMPLIFIER INSTRUMENT GUITAR 12AX7 P48 CONDENSER

    $65

  • AMT Electronics Bricks F-Clean (Fender Twin)- 1 channel tube guitar preamp

    AMT Electronics Bricks F-Clean (Fender Twin)- 1 channel tube guitar preamp

    $195

  • Used! MESA BOOGIE V-1 Bottle Rocket Tube Preamp Distortion Guitar Effects Pedal

    Used! MESA BOOGIE V-1 Bottle Rocket Tube Preamp Distortion Guitar Effects Pedal

    $249.99

  • Used! MESA BOOGIE V-1 Bottle Rocket Tube Preamp Distortion Guitar Effects Pedal

    Used! MESA BOOGIE V-1 Bottle Rocket Tube Preamp Distortion Guitar Effects Pedal

    $249.99

  • AMT Electronics Bricks B-Lead (Bogner)- 1 channel tube guitar preamp

    AMT Electronics Bricks B-Lead (Bogner)- 1 channel tube guitar preamp

    $195

  • AMT Electronics SS-20 Tube Guitar Preamp  Pedal Distortion

    AMT Electronics SS-20 Tube Guitar Preamp Pedal Distortion

    $290

  • AMT Electronics Bricks Vt-Lead (VHT)- 1 channel tube guitar preamp

    AMT Electronics Bricks Vt-Lead (VHT)- 1 channel tube guitar preamp

    $195

  • AMT NEW Bricks R/S-Lead (Mesa/Soldano Emulates) - 1 channel tube guitar preamp

    AMT NEW Bricks R/S-Lead (Mesa/Soldano Emulates) - 1 channel tube guitar preamp

    $185

  •  Fender Guitar Amp Tube Shields Amplifiers  099-0723-000 Preamp Tube Shield

    Fender Guitar Amp Tube Shields Amplifiers 099-0723-000 Preamp Tube Shield

    $10.85

  • EHX Electro-Harmonix English Muff'n Tube Distortion/Preamp Guitar Effects Pedal

    EHX Electro-Harmonix English Muff'n Tube Distortion/Preamp Guitar Effects Pedal

    $190

  • HUK-TM2 Hughes & Kettner tube preamp TUBEMAN Guitar Effects from JAPAN

    HUK-TM2 Hughes & Kettner tube preamp TUBEMAN Guitar Effects from JAPAN

    $246

  • AMT Electronics Bricks M-Lead  (Marshall)- 1 channel tube guitar preamp

    AMT Electronics Bricks M-Lead (Marshall)- 1 channel tube guitar preamp

    $195

  • Hughes Kettner tubeman tube Guitar preamp in excellent condition

    Hughes Kettner tubeman tube Guitar preamp in excellent condition

    $200

  • AMT Bricks Series Vt-Lead-1 Channel Tube Guitar Preamplifier Effects Pedal

    AMT Bricks Series Vt-Lead-1 Channel Tube Guitar Preamplifier Effects Pedal

    $199.99

  • Takamine Cooltube CTP-1 Tube Acoustic Guitar Onboard Preamp

    Takamine Cooltube CTP-1 Tube Acoustic Guitar Onboard Preamp

    $229

  • Amptata 6V6 Replace EL84 6P14 6BQ5 Vacuum Tube Converter Adapter Pre Amp Guitar

    Amptata 6V6 Replace EL84 6P14 6BQ5 Vacuum Tube Converter Adapter Pre Amp Guitar

    $16.97

  • Takamine CTP-3 Cool Tube Guitar Preamplifier

    Takamine CTP-3 Cool Tube Guitar Preamplifier

    $299.99

  • GROOVE TUBE GT-12AX7 PREAMP TUBE - EXCELLENT SHAPE - guitar amplifier valve

    GROOVE TUBE GT-12AX7 PREAMP TUBE - EXCELLENT SHAPE - guitar amplifier valve

    $9.99

  • Four Vacuum Tubes Guitar Amp 12AX7 Preamp EL84 Power New NR

    Four Vacuum Tubes Guitar Amp 12AX7 Preamp EL84 Power New NR

    $25

  • RCA 1965 ALLIED TUBE GUITAR AMPLIFIER AMP PREAMP SCHEMATIC REFERENCE HAND MANUAL

    RCA 1965 ALLIED TUBE GUITAR AMPLIFIER AMP PREAMP SCHEMATIC REFERENCE HAND MANUAL

    $19.99

  • Frog Tube Preamp 2.1 Version B PCB for DIY -Alembic  F2b style

    Frog Tube Preamp 2.1 Version B PCB for DIY -Alembic F2b style

    $9

  • TUBE-PRE   Single Channel TUBE mic  and guitar-preamplifier w/ VU Meter

    TUBE-PRE Single Channel TUBE mic and guitar-preamplifier w/ VU Meter

    $64.99

  • 12AX7 CBS Audio Receiver Guitar Pre-amplifier Vacuum Tubes Tested Pair

    12AX7 CBS Audio Receiver Guitar Pre-amplifier Vacuum Tubes Tested Pair

    $25.99

  • CBS 5879 PRE AMP TUBE-NIB/NOS-USED IN EARLY GIBSON GUITAR AMPS-RARE VINTAGE

    CBS 5879 PRE AMP TUBE-NIB/NOS-USED IN EARLY GIBSON GUITAR AMPS-RARE VINTAGE

    $50

  • MARSHALL ECC83 PREAMP TUBE - EXCELLENT SHAPE - guitar amplifier valve

    MARSHALL ECC83 PREAMP TUBE - EXCELLENT SHAPE - guitar amplifier valve

    $9.99

  • Amptata 6SN7 6SL7 To ECC83 82 81 12AX7 U7 12AT7 Tube Converter Pre Amp Guitar 6V

    Amptata 6SN7 6SL7 To ECC83 82 81 12AX7 U7 12AT7 Tube Converter Pre Amp Guitar 6V

    $16.95

  • 6CG7 GE Guitar Audio Guitar Preamplifier Vacuum Tubes Tested Pair

    6CG7 GE Guitar Audio Guitar Preamplifier Vacuum Tubes Tested Pair

    $21.99

  • Yerasov PD-5 PteroDriver Ptero Driver 2-Channel Dual Tube Guitar Preamp w/ 12AX7

    Yerasov PD-5 PteroDriver Ptero Driver 2-Channel Dual Tube Guitar Preamp w/ 12AX7

    $160

  • 4.7K 4700 OHM 2 WATT QTY-2  ALLEN BRADLEY 20% TUBE GUITAR AMP PREAMP RESISTORS

    4.7K 4700 OHM 2 WATT QTY-2 ALLEN BRADLEY 20% TUBE GUITAR AMP PREAMP RESISTORS

    $1.99

  • Albit A3GP 3ch Tube guitar Pre-Amp Effectors Shipped from Japan

    Albit A3GP 3ch Tube guitar Pre-Amp Effectors Shipped from Japan

    $273

  • NEW JJ Tesla 12AX7 ECC83S Preamp Tube Guitar Amp Amplifiier

    NEW JJ Tesla 12AX7 ECC83S Preamp Tube Guitar Amp Amplifiier

    $17.48

  • 3 Pack JJ Tesla 12AX7 Vacuum Tube MATCHED TRIO Guitar Amplifier ECC83 Preamp

    3 Pack JJ Tesla 12AX7 Vacuum Tube MATCHED TRIO Guitar Amplifier ECC83 Preamp

    $33.95

  • 6SL7GT RCA Audio Receiver Guitar Pre-Amplifier  Vacuum Tubes Tested Pair

    6SL7GT RCA Audio Receiver Guitar Pre-Amplifier Vacuum Tubes Tested Pair

    $24.99

  • Tube Guitar preamp Rocker

    Tube Guitar preamp Rocker

    $235

  • Yerasov PD-5 PteroDriver Ptero Driver 2-Channel Dual Tube Guitar Preamp w/ 12AX7

    Yerasov PD-5 PteroDriver Ptero Driver 2-Channel Dual Tube Guitar Preamp w/ 12AX7

    $160

  • Amptata 6SN7 L7 To ECC83 82 81 12AX7 U7 T7 Vacuum Tube Adapter Pre Amp Guitar 6V

    Amptata 6SN7 L7 To ECC83 82 81 12AX7 U7 T7 Vacuum Tube Adapter Pre Amp Guitar 6V

    $16.98

  • Hammond AO 41 Tube Pre Amp for True Pitch Shifting Vibrato Chorus Guitar Effect

    Hammond AO 41 Tube Pre Amp for True Pitch Shifting Vibrato Chorus Guitar Effect

    $79.95

  • Takamine Cool Tube Preamp acoustic electric guitar 2005 ad 8 x 11 advertisement

    Takamine Cool Tube Preamp acoustic electric guitar 2005 ad 8 x 11 advertisement

    $4.46

  • AC Adapter For JOYO Bantamp Zombie 20 Watt Guitar Amplifier Mini Tube Amp Head

    AC Adapter For JOYO Bantamp Zombie 20 Watt Guitar Amplifier Mini Tube Amp Head

    $29.99

  • Tube line preamplifier for Guitar - Bass, premium handmade

    Tube line preamplifier for Guitar - Bass, premium handmade

    $210

  • 812A Vacuum Tube Guitar Pre-Amp Amplifier Tube Audio Equipment Accessory

    812A Vacuum Tube Guitar Pre-Amp Amplifier Tube Audio Equipment Accessory

    $35.14

  • Hafler T2 Multi Tube Guitar Preamp

    Hafler T2 Multi Tube Guitar Preamp

    $230

  • Amptata 5Z3 274A 80 To 5U4G GZ34 274B 5Y3 5AR4 Tube Adapter Pre Amp Guitar HIFI

    Amptata 5Z3 274A 80 To 5U4G GZ34 274B 5Y3 5AR4 Tube Adapter Pre Amp Guitar HIFI

    $6.94

  • 812A Vacuum Tube Guitar Pre-Amp Vacuum Tube, Guitar Amplifier Tubes, Hifi Audio

    812A Vacuum Tube Guitar Pre-Amp Vacuum Tube, Guitar Amplifier Tubes, Hifi Audio

    $34.12

  • NEW JJ Tesla 12AX7 ECC83S Preamp Tubes x3 Guitar Amp Amplifiier

    NEW JJ Tesla 12AX7 ECC83S Preamp Tubes x3 Guitar Amp Amplifiier

    $48.88

  • Guitar Amplifier Preamp Tube Socket 9 Pin Ceramic for Marshall Fender w/ Shield

    Guitar Amplifier Preamp Tube Socket 9 Pin Ceramic for Marshall Fender w/ Shield

    $7.99

  • Amptata 6SN7 L7 To ECC83 12AX7 12AU7 Vacuum Tube Adapter Pre Amp Guitar 12.6V

    Amptata 6SN7 L7 To ECC83 12AX7 12AU7 Vacuum Tube Adapter Pre Amp Guitar 12.6V

    $17.97