J-Style

Powerful drop-in preamps for J-Style basses. These have been designed to fit without any physical changes to the instrument itself* including enough space for a standard 9V battery to sit beneath the electronics. That said, all units are designed to operate up to 18V in which case a separate battery compartment will be necessary with most J-Style basses.

(* = in most cases)

sage ali marcus

MARCUS RETRO

"I also have your Marcus Retro preamp installed in my Fender Marcus Miller Jazz, and it’s fabulous! All of your preamps boast exceptional build quality and pristine sound with pure tone and no hiss whatsoever. John, you are a true master of your craft… can’t thank you enough!"

Sage

Koenraad Van Schuylenbergh

" now played it a couple of days and like it a lot. Very transparent and totally noise/hum free. With a short cable and flat EQ, the passive and active tones and volumes are identical. The active setting allows longer cables and I can dial in some bass and treble EQ. Sweet, especially with my MM-style bridge pickup... A very nice design and another happy customer."

Koenraad

Sebastiano Stia

"All hooked up in the Fender. Sounds beautiful. "

Sebastiano

35

J-RETRO 01 DELUXE

"My gosh, this tone is what I've been searching for....I was thrilled with it! I played it all afternoon ....."full, rich, articulate"....I seriously couldn't be happier"

Geri

USA

33

J-RETRO 01

"Great design! Love the sound."

MIke

USA

22

MARCUS RETRO

"It sounds fan-tastic! I'm still experimenting with the possibillities of course, but instant Marcus sound out of the box"

Stephan

Netherlands

21

MARCUS RETRO

"They were all amazed with the sound of the instrument and now they want their products in Brazil."

Yuri

Brazil

20

MARCUS RETRO

"What a difference it makes! The bass is like a completely new instrument with it. I'm one happy customer"

Bjorn

Sweden

19

DJ-RETRO

"received my DJ-Retro sat morning, fitted by lunchtime works a treat, thank you for the excellent service"

Trev

Jersey

18

DJ-RETRO

"The sound is amazing and it was very easy to fit. I like the screw-in terminals for the pickups .....Your preamp is a work of art!"

Brian

UK

17

DJ-RETRO

"Wow, what beautiful preamp. Love what does set at the detents, plus all the other sounds."

Bill

USA

16

J-RETRO 01 DELUXE

"What a wonderful product; the orignal pre-amp worked well enough, but the j-retro deluxe seems to be superb in every aspect."

Mike

UK

15

J-RETRO 01 DELUXE

"I absolutely love it!! I can't say enough great things about your preamp. My bass now sounds amazing....Passive, Active or whatever....It all sounds great!"

Jon

USA

14

J-RETRO 01 DELUXE

"On opening my J Deluxe I was astounded by the evident quality. I am truly astounded by the improvement.  It is as different as chalk and cheese."

MIke

UK

13

J-RETRO 01

"They really are great preamps....beats the pants off a few high level instruments I've had!"

Vin

UK

12

J-RETRO 01

"I just popped it in my bass within a few minutes. It sounds great."

Paul

Canada

11

J-RETRO 01

"What can I say? I love it and It's made an amazing difference to the sound. Many thanks for a great piece of kit!! "

Roy

UK

10

J-RETRO 01

"Oh my…I think this just became my favorite bass! Those Fralin pickups have all sorts of growly tones buried in there, and the preamp brings them out VERY nicely."

Scott

9

J-RETRO 01

"Your retro pre-amp gives an amazing range of tones for me to play with, like having a totally different bass, but still a Jazz."

Tony

UK

8

J-RETRO 01

"It’s like having a new bass, with lots and lots of new sounds in it. Most impressed."

Brian

UK

7

J-RETRO 01

"I never thought how much improvement your preamp would add, I just can't believe the possibilities now. Every detail, parts on the pre amp speaks quality."

Jay

USA

6

J-RETRO 01

"I have everything on my board shut off other than the compressor and the tone is just wonderful."

Chad

USA

5

J-RETRO 01

"I was so pleased with the new preamp "

Hauke

Switzerland

4

J-RETRO 01

"I don’t think the fender custom shop could better it whatever I spent there - my dream bass"

Martin

UK

3

J-TONE

"The J-Tone preamp has elevated the sound from an already fine bass into a sonic realm that’s perfect for my needs."

Andrew

UK

2

J-TONE

"I’m over the moon with the J Tone, it’s such a lovely addition to my bass."

Daniel

UK

1

J-TONE

"IMO if you want to give your bass a STEROID type boost, stick one of these ‘bad boys’ in. You won’t be disappointed"

Paul

UK

Showing all 5 resultsSorted by popularity

• 

  J-RETRO 01

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• 

  J-TONE

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• 

  J-RETRO 01 DELUXE

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  MARCUS RETRO

  Back in Stock Soon

  Select options This product has multiple variants. The options may be chosen on the product page
• 

  DJ-RETRO

  £229.17 Read more