EQ is a simple three-band design, and master section features are limited, but the trademark valve-featured circuitry remains, and the 8 channel version sells at a price which one might expect to pay for four channels of boutique mic preamp – and those included here are really very good. Furthermore, digital interfacing options are available as modules to plumb into the rear - at a price.
The 12 channel unit received for review was quite a weighty affair, with some degree of strength required to move it. This is probably mostly due to the attractive oak panels on three sides. These add an air of quality rarely seen with mid-budget gear, and upon checking the label I was pleasantly surprised to find that the M1 is put together in the UK.
All analogue connections are on the top of the rear part of the unit, which can lead to messy cabling, but re-configuring is easier, and connectivity is good. All the multitudinous jack connections are balanced, and microphone inputs and main outputs are on XLRs. Each channel also includes a separate switchable Line input and a Direct (post EQ but pre-fader) Output, usefully allowing one to create a monitor mix separate from recording levels. There is also a proper separate balanced Insert Send and Insert Return, a welcome feature where one often has to suffer unbalanced TRS combined Insert jacks at this level.
The input section includes separate phantom power for each channel, and a 30dB pad. This seems a bit drastic, but the preamps certainly have plenty of gain, even though their maximum range is labelled 60dB. A useful Polarity switch sits next to a handy 90Hz high-pass filter button. The three-band EQ is very simple, but includes an On button, and is adequate in most situations for a bit of shaping. HF and LF are fixed, while the Mid sweeps from about 150Hz to about 7kHz. It sounds sweet enough with small boosts, especially when just adding a bit of top or bottom.
There are two Aux Sends, one is switchable to Pre but the other is always Post, which is a nuisance if you wanted to provide a stereo foldback. Above the faders are centre-détenting panpots, PFL and Mute buttons with associated LEDs, and Peak and Drive LEDs for controlled colouration. While all the knobs feel oily to turn, the long faders are rather light to the touch.
The master section is laid out spaciously, and this section includes useful Alt Speaker connections and selection button, a stereo Return and two external selectable 2-track monitor inputs, PFL Balance knob, separate headphone level, and there is a wonderfully huge volume knob. A couple of illuminated circular VUs stylishly indicate mix level.
The M1 is made a more attractive prospect to DAW users with the optional digital boards. The DO-8 provides access to the Direct Outs and Line Ins of the first eight channels with ADAT optical connections, with Word Clock In and Out BNCs. A small switch selects 48kHz or 96kHz but it seems 44.1 and 88.2 are only available when clocked externally. I got better results from the mic pres using the analogue outputs going into a high quality external converter, using the digital interface I noticed some slight hum from the channels, but this may have been an earthing issue, as several interfaces and Word Clock cables were involved. Additionally, the master section was fitted with a DO-2, this with a simple Word Clock input and S/PDIF phono output, and a similar sample rate switch. This is a handy solution for plumbing the mix back into the digital world.
The M1 is undoubtedly aimed towards DAW users, and as such makes a fantastic recording setup for small bands of musicians and suchlike. The mic preamps and EQ sound solid for the price, and true to the clichéd expectations, the valve circuitry indeed seems to add some warmth, depth and hugeness compared to budget solid state rivals. When tracking, one could utilize the mix buss or even the Auxes to create submixes, say to combine multi-mic setups to mono or stereo tracks on the recorder. In a non-TDM setup one could alternatively or additionally utilize the Auxes and/or main buss for zero-latency monitoring.
With a mainly in-DAW mix I ran some subgroups through the M1 in order to use it as a summing mixer, and again, a size and depth was achieved which was certainly a marked improvement over the entirely in-the-box approach. This was achieved without driving the M1 hard, but even with the needles just touching zero, the noise floor is commendably low. Lighting up the Drive LEDs with gain adds some pleasant colouration in some circumstances.
Of course, trying to use the M1 as centrepiece in a recording situation, one starts to notice the missing features: no talkback whatsoever, mono-only foldback, but no Mono monitor button. And a fair amount of heat is generated, despite the separate PSU box.
The M1 is solidly built and has a very professional feel to it. It sounds as chunky as it looks, with a big warm sound, and facilities which are generally adequate. For the DAW-based studio, a desk like this makes an awful lot of sense, especially with the digital interfacing options, and the M1 remains true to TL Audio’s established reputation for competitively priced, good sounding valve gear.
Warm valve-tinged mic preamps and output stages; Great for tracking or summing; Digital I/O; Modular
No Digital I/O for channels 9-12; Mono Pre Aux; No talkback; Hefty; DO-8 outputs generate some hum, DO-8 expensive; no 44.1/88.2 internal clocking
Reproduced with kind permission from George Shilling. Copyright George Shilling.
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