4 knob

  1. FREE! Ibanez Vari-Mid III 3 Band Pre Fully Wired
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    Free FREE! Ibanez Vari-Mid III 3 Band Pre Fully Wired

    Vari Mid III Preamp, pulled from an Ibanez EHB 1500. Fully wired and ready to drop in a bass. 4 knob with active passive switch. Locking jack, battery clip and mounting nuts included. Cheap and easy way to get into an active pre. PM me your address for a shipping estimate thru Pirate Ship.
    Free
  2. Syl_Funky_bass

    Installing a John East preamp and new Fender noiseless Jazz V gen 4 pickups

    Hi Guys, I've just bought a new John East Uni-Pre 4 knob preamp and a new set of Fender Ultra noiseless gen 4 pickups for my 2006 Victor Bailey Jazz V. If I want to have a pro do that work for me it would cost me about 200$ in my area. I have never done such a job and have no experience in...
    • Syl_Funky_bass
    • Thread
    • 4 knob fender noiseless fender pickups fender ultra 5 john east pickup 4-knob 3-band pickup and preamp pickup change preamp uni-pre
    • Replies: 3
    • Forum: Pickups & Electronics [BG]
  3. J

    Nordstrand MM5.2 & John East MMSR 3 Band 4 knob installation problem

    Hello I am an owner of a 2001 EBMM SR5, and its 4-5 months that I decided to upgrade it with the aformentioned pick-up and pre. Unfortunately, after several contacts with both John East’s and Nordstrand’s tech support (which they were very generous and helpful), me and my tech cant still find a...
  4. gpx1200
    Sold

    For sale John east u-retro 4 knob preamp

    Lightly used original version 4 knob pre, 3 band eq with parametric mid sweep, bright switch and push/pull bypass with passive tone and stacked blend and volume knobs, works perfectly with no scratchy pots, includes black knobs, wiering and operating instructions
    $200.00
  5. gpx1200

    SOLD John east u-retro 4 knob preamp

    Lightly used original version 4 knob pre, 3 band eq with parametric mid sweep, bright switch and push/pull bypass with passive tone and stacked blend and volume knobs, works perfectly with no scratchy pots, includes black knobs, wiering and operating instructions
  6. bassbooty
    Sold

    For sale Aguilar OBP-1 Preamp

    I have an Aguilar OBP-1 preamp for sale. The preamp comes pre-wired for active pickups (such as EMGs or MEC Golds) and will include a wiring diagram and a 9v battery clip. The 4-knob configuration is: Vol-Vol-Bass-Treble. I’m asking $99 + $8 for USPS PRIORITY MAIL shipping with payment via...
    $99.00
  7. bassbooty

    SOLD Aguilar OBP-1 Preamp

    I have an Aguilar OBP-1 preamp for sale. The preamp comes pre-wired for active pickups (such as EMGs or MEC Golds) and will include a wiring diagram and a 9v battery clip. The 4-knob configuration is: Vol-Vol-Bass-Treble. I’m asking $99 + $8 for USPS PRIORITY MAIL shipping with payment via...
  8. LowG

    4 knob active/passive pre w/ passive tone

    I'm pretty new to the world of active electronics, could use guidance... I have a 90's Warwick Fotress One. It is stock, has PJ pickups and has 4 knobs: vol (push/pull passive), blend and active treble, active bass. When I used to play it a lot I'd just play it active and use a slight bass...
  9. New Mike Pope Flexcore Preamp, 4 knob With 1 switch
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    For sale New Mike Pope Flexcore Preamp, 4 knob With 1 switch

    New Mike Pope Flexcore Preamp, 4 knob With 1 switch Never installed. $200 Shipped Conus Includes extra "jumpers" Control Configuration is for 2 pickups Volume/Passive Tone Stack Blend Treble/Bass Stack Lo Mid/Hi Mid Stack Active/Passive Switch AKA Mike Pope Flexcore 2stk.2stk 2-Pickup...
    Free
  10. Robin Ruscio

    SOLD New Mike Pope Flexcore Preamp, 4 knob With 1 switch

    New Mike Pope Flexcore Preamp, 4 knob With 1 switch Never installed. $200 Shipped Conus Includes extra "jumpers" Control Configuration is for 2 pickups Volume/Passive Tone Stack Blend Treble/Bass Stack Lo Mid/Hi Mid Stack Active/Passive Switch AKA Mike Pope Flexcore 2stk.2stk 2-Pickup...
  11. Bartolini 3 band 4 knob preamp NTCT-h with booster module
    Sold

    For sale Bartolini 3 band 4 knob preamp NTCT-h with booster module

    Bartolini 3 band 4 knob preamp ; no switches ! 9 or 18 volt This was removed from a Surine bass. Sounds very loud And powerful with great mids and presence ; that's the reason Surine uses it on 98% of his basses . I can include black knobs if you want for $10 extra. Set up is Volume, Blend...
    $56.00
  12. L

    SOLD Bartolini 3 band 4 knob preamp NTCT-h with booster module

    Bartolini 3 band 4 knob preamp ; no switches ! 9 or 18 volt This was removed from a Surine bass. Sounds very loud And powerful with great mids and presence ; that's the reason Surine uses it on 98% of his basses . I can include black knobs if you want for $10 extra. Set up is Volume, Blend...
  13. Glockenklang 4 knob 3-band EQ Preamp
    Sold

    For sale Glockenklang 4 knob 3-band EQ Preamp

    Hello Everyone, I have put up a Glockenklang 4 knob, 3-band eq, 9V preamp. Glockenklang is a premier preamp and will make any bass sound great. This preamp has a volume (active/passive)-blend-mid-bass/treble stack configuration. The preamp has a mid frequency of 550MHz which I found very...
    $175.00
  14. rc_1manband

    SOLD Glockenklang 4 knob 3-band EQ Preamp

    Hello Everyone, I have put up a Glockenklang 4 knob, 3-band eq, 9V preamp. Glockenklang is a premier preamp and will make any bass sound great. This preamp has a volume (active/passive)-blend-mid-bass/treble stack configuration. The preamp has a mid frequency of 550MHz which I found very...
  15. New John East Uni-Pre 4 Knob (black)
    Sold

    For sale New John East Uni-Pre 4 Knob (black)

    Bought this for a project that never materialized. Never installed, no solder. Shipped / PayPal'ed in CONUS. Sells for $340 on Best Bass Gear. 3-band: 2-pickup, 4-knob Volume/Blend Stack - Treb/Bass Stack - Mid/Mid Freq Stack - Passive Tone (A/P Push-Pull)
    $270.00
  16. MultiScaleMale

    SOLD New John East Uni-Pre 4 Knob (black)

    Bought this for a project that never materialized. Never installed, no solder. Shipped / PayPal'ed in CONUS. Sells for $340 on Best Bass Gear. 3-band: 2-pickup, 4-knob Volume/Blend Stack - Treb/Bass Stack - Mid/Mid Freq Stack - Passive Tone (A/P Push-Pull)
  17. Brubaker Pickups and Artec Preamp 4 knob
    Closed

    For sale Brubaker Pickups and Artec Preamp 4 knob

    Selling two 5-string Jazz pickups and an active preamp, originally installed in my Brubaker Brute bass. Preamp is made by Artec Sound and features 4 controls: master volume, blend, treble and bass. I think all pots are rated at 100k. Pickups are the first gen Brubaker Brute humbucker pickups...
    $35.00
  18. fritzk9

    No longer available Brubaker Pickups and Artec Preamp 4 knob

    Selling two 5-string Jazz pickups and an active preamp, originally installed in my Brubaker Brute bass. Preamp is made by Artec Sound and features 4 controls: master volume, blend, treble and bass. I think all pots are rated at 100k. Pickups are the first gen Brubaker Brute humbucker pickups...
  19. Sadowsky 4 Knob Pre Amp with VTC
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    For sale Sadowsky 4 Knob Pre Amp with VTC

    $210 shipped CONUS Excellent looking and working condition Sadowsky 4 knob pre amp. Has the VTC control. Never installed.
    $210.00
  20. GuMMBi]:{>

    SOLD Sadowsky 4 Knob Pre Amp with VTC

    $210 shipped CONUS Excellent looking and working condition Sadowsky 4 knob pre amp. Has the VTC control. Never installed.
  21. Keeley 4 Knob, 6 Stage Phaser - GREEN!
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    For sale Keeley 4 Knob, 6 Stage Phaser - GREEN!

    For Sale: Keeley 4 Knob, 6 Stage Phaser Another casualty of my Hail Damage Deductible Sale! 6 stage phasers sound the most funky to me for use with bass, thus why I owned this green boy for so long. The Keeley phaser is really nice, with an added Tap/Ramp feature that you don't see in most...
    $135.00
  22. bassvirtuoso

    SOLD Keeley 4 Knob, 6 Stage Phaser - GREEN!

    For Sale: Keeley 4 Knob, 6 Stage Phaser Another casualty of my Hail Damage Deductible Sale! 6 stage phasers sound the most funky to me for use with bass, thus why I owned this green boy for so long. The Keeley phaser is really nice, with an added Tap/Ramp feature that you don't see in most...
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