Markbass Ninja 102-250 Combo

I’ve been using the Phil Jones Session 77 (S-77) as my go-to small combo for practice, bedroom recording, and the occasional coffee-shop gig, and what struck me first was how much useful bass information this little 100-watt amp can deliver without fuss. It’s a single-channel, 3-band EQ design built around two small PJB woofers and a tweeter that aims to reproduce the full range of the instrument with clarity rather than colored grit - ideal for players who want a faithful, transportable monitor that still has enough low-end presence to sit in a mix.

First Impressions

The first time I set the S-77 up I expected thinness because of the small 7-inch drivers, but the cabinet and the PJB-designed woofers give a surprisingly solid low-mid weight - not a subwoofer chest-thump, but a focused, articulate low end that reads well in a room or into a DI. The unit is compact and solid-feeling; at roughly 17 x 11 x 12.5 inches and about 28 pounds it’s light enough to lift in one hand yet robust enough to feel like a proper piece of kit for rehearsals and small gigs. The universal AC capability (100-260V) and the simple control layout signaled to me that this was built for straightforward, global use.

Design & Features

Phil Jones kept the control set intentionally minimal - input, an Input Level with a Mute/Passive/Active switch, a 3-band EQ (bass/mid/treble), master, and a dedicated AUX level for backing tracks. There’s also a line-out and a headphone output, which I found handy for silent practice and direct recording. The front has PJB’s perforated steel grille and a slightly angled baffle that makes onstage monitoring more useful than a flat box. I appreciated the thoughtful touches like the mute function and the clip indicator - small items that make the amp feel professional in daily use.

Playability & Usability

Using the S-77 is refreshingly quick - I could switch between my passive and active basses with the sensitivity switch and the amp tracked dynamics well, responding to my attack and fingers without sounding compressed unless I pushed the master very hard. The EQ is broad and musical - bass adds weight without getting muddy, the mids give the instrument its voice, and the treble adds clarity for slap and pluck articulation. For pedalists, it behaved predictably; overdrive or envelope-type effects need to be tamed in front of the amp to avoid too much top-end hash, but that’s true of most compact combos.

Real-World Experience

I used the S-77 for a few weeknight rehearsals, some direct-to-interface recording and at-home practice sessions. In small rooms and coffee-shop-style shows it sat nicely in the mix - the mid-forward character ensured my lines cut through without having to crank the master. Through headphones and DI I found the amp’s tonal signature to be quite transparent, which made it easy to match recorded tones to what I heard live. The AUX input is a simple but effective feature for playing to tracks; the separate AUX level control kept the balance predictable when I needed click or backing track playback.

The Trade-Offs

There are honest compromises - the S-77 won’t replace a high-power 12- or 15-inch cabinet for large venues or players who depend on extreme low-frequency energy. Its small woofers are designed for clarity and definition rather than subsonic extension, so if your music depends on huge, room-shaking lows you’ll want a larger cab or PA support. Also, the single-channel straight-ahead design limits onboard sculpting compared with more feature-heavy combos, so players who want built-in compression, shape filters or multiple voicings may find it too basic.

Final Verdict

The Session 77 is one of those rare little combos that does exactly what it sets out to do - offer a faithful, compact, and portable bass solution for practice, small gigs, and direct recording. I’d recommend it to gigging players who need a reliable monitor that won’t dominate a car trunk, to educators and home players who want clarity and a small footprint, or to anyone looking for a high-quality travel/practice amp that still sounds credible onstage. If you require seismic low-end or advanced onboard processing you should look higher up the product ladder, but for honesty of tone and everyday practicality the S-77 impressed me.