The Engl Savage 120 E610 and E610II. The kits we offer here are the most distinctive in tonal character, forged from many years of research. Every kit is configured to provide a specific sound/experience.
These are adjustable bias amps and all you need to check and adjust the bias is a bias probe and a Multimeter, or our all-in-one Eurotubes “Pro One” bias probe that reads both the plate current and the plate voltage simultaneously.
The default power tubes for all the Engl Savage 120 kits are the JJ KT88’s. This tube is a replacement for all standard KT88 and most 6550 applications. These are a higher power tube with lots of headroom, thunderous lows and thick/aggressive mids. You can use the dropdown to also select the JJ 6550’s. This tube is a replacement for all standard 6550 applications and most KT88 amps as well. The JJ 6550 is a high power tube with more headroom than your standard EL34 or 6L6 variant. Compared to the KT88, it breaks up a little earlier and has very raw and open overdriven sound.
The Standard Retube Kit is as close to OEM as possible. Maintaining the amps stock level of headroom and gain while providing a warm but even handed overall sound. The kit includes one matched pair of JJ KT88’s by default, one Balanced JJ ECC83S for the phase inverter (V6, farthest from the input jack), along with five Standard JJ ECC83S’s for V1 – V2 – V3 – V4 – V5.
The Gold Pin Retube Kit uses the JJ ECC83S Gold Pin variants to provide a smoother, creamier, and more singing overall sound. This option is less aggressive and has less “teeth” when driven hard. If you like a classic raunchy gritty overdriven tone, we recommend looking to the Standard or High Gain option. If sweet, open, and more refined is what you’re after this kit will do it. The kit includes one matched pair of JJ KT88’s by default, one Balanced JJ ECC83S Gold Pin for the phase inverter (V6, farthest from the input jack), along with five Standard Gold Pin JJ ECC83S’s for V1 – V2 – V3 – V4 – V5.
The High Gain Retube Kit uses our hand picked high gain selected JJ ECC83S’s. If you’re looking for maximum crunch and grind this is where you want to be. Sonically this setup is very similar to our Standard Retube Kit but with a little extra gain on tap. The kit includes one matched pair of JJ KT88’s by default, one Balanced High Gain JJ ECC83S for the phase inverter (V6, farthest from the input jack), one Standard ECC83S for V5 along with four Standard Handpicked High Gain JJ ECC83S’s for V1 – V2 – V3 – V4.
The ECC803S V1 Option Retube Kit uses the Long Plate JJ ECC803S in the V1 position. The JJ Long Plate ECC803S has a little lower gain with big thick mids and a little more sparkle in the highs. The kit includes one matched pair of JJ KT88’s by default, one Balanced JJ ECC83S for the phase inverter (V6, farthest from the input jack), four Standard JJ ECC83S’s for V2 – V3 – V4 – V5 and one Standard JJ ECC803S for V1 (closest to input jack).
The Gold Pin ECC803S V1 Option Retube Kit uses the Long Plate Gold Pin JJ ECC803S in the V1 position. The JJ Long Plate ECC803S has a little lower gain with big thick mids and a little more sparkle in the highs. The kit includes one matched pair of JJ KT88’s by default, one Balanced Gold Pin JJ ECC83S for the phase inverter (V6, farthest from the input jack), four Standard Gold Pin JJ ECC83S’s for V2 – V3 – V4 – V5 and one Standard Gold Pin JJ ECC803S for V1 (closest to input jack).


