Kruse Kontrol Amplification

Preamp Tubes

We carry a nice selection of Preamp Tubes which are proven solid performers with great tonality for your specific type of amp.

For high gain amps we carry special hand selected low microphonic 12AX7 (678) tubes for the V1 position (B-Side) which most tube sellers don't offer.

ALL tubes carry a 6 months warranty and ship free of charge!

12AX7AC5 HG+ 678 by Ruby (=ECC83 / 7025)
A very consistently made tube, sweet sounding, and very warm. High Grade "HG+" means the tube is designed for the most sensitive V1 spots, "678" is the B-Side, special hand selected, lowest microphonic version, lowest noise tube.

Price per tube. FREE SHIPPING !
- $26.00
- In stock
12AX7AC5 HG+ by Ruby (=ECC83 / 7025)
A very consistently made tube, sweet sounding, and very warm. High Grade "HG+" means the tube is designed for the sensitive gain V1 and V2 positions. Lowest noise tube.
Price per tube. FREE SHIPPING within U.S. !
- $26.00
- In stock
12AX7AC5 HG by Ruby (=ECC83 / 7025)
A very consistently made tube, sweet sounding, and very warm. The regular High Grade "HG" version is perfect for positions V2 and higher, as well as for effect loop drivers and in some amps as reverb drivers. Low noise tube.
Price per tube. FREE SHIPPING within U.S. !
- $22.00
- In stock
12AT7C by Ruby (=ECC81 / 6201)
This lower gain tube have very clean mids and a high end that cuts through without being shrill. It is often used as a reverb driver and phase inverter.
Price per tube. FREE SHIPPING within U.S. !
- $20.00
- In stock

Preamp Tubes

12AX7AC5 HG+ 678 by Ruby (=ECC83 / 7025)

12AX7AC5 HG+ by Ruby﻿ (=ECC83 / 7025)﻿

12AX7AC5 HG by Ruby﻿﻿ (=ECC83 / 7025)﻿

12AT7C by Ruby﻿﻿﻿ (=ECC81 / 6201)

12AX7AC5 HG+ by Ruby (=ECC83 / 7025)

12AX7AC5 HG by Ruby (=ECC83 / 7025)

12AT7C by Ruby (=ECC81 / 6201)