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Thermionic Culture Phoenix HG15

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High Gain Mic Amp/Compressor/EQ with super-natural valve sound

 

-Based on Phoenix design with 52 dB gain available;

-Fully Balanced circuit with XLR in/out connectors;

-+48v Phantom power available;

-Threshold control has 7 way switch with Compressor Out position;

-Time Constant switch has 6 combinations of Attack & Release;

-Side Chain Bass Cut;

-Presence and Air switches to boost mid and high top with In/Out switch;

-Bass Cut to roll off low bass;

-2 valves, 6AQ8EH input and 12AT7/ECC81 output;

-Solid State side chain! ;

-Link socket to connect 2 HGs for stereo buss operation, etc. ;

-Made in England.

 

The Phoenix HG 15 is a single channel version of our classic Phoenix Stereo Compressor, having the same gentle “variable mu” type compression curve, though it becomes near to a limiter at high compression levels.

The gain has been boosted to suit mic inputs, particularly valve and FET condenser types, but many moving coil types, such as Shure, Audio Technica, etc. are fine to use if the sound source is quite loud or close-miked.

With the Threshold switch set to Comp Out it’s a clean mic/line amp, now add a little Active Eq, “Presence” and/or “Air” to brighten the sound, then switch in some compression and achieve that gentle “super-natural” effect that only Thermionic Culture can give you.

The Output Level control acts as a reverse linear attenuator after the electronics, and can be used simply to reduce level if feeding a low level input, or to add “Attitude” by reducing the output and increasing the input.  If you’re working from line level, it’s OK to switch the input from “Line” to “Pad” but ensure the +48v switch is OFF!

2 HG15s can be linked together for stereo use by a phono-phono lead from the Link socket at the rear.   There’s a Side Chain Bass Cut switch, which can also be useful in mono operation.

To sum up, The Phoenix HG15 is ideal as just a mic amp for vocals, violins, horns, guitars…… especially when using a high output mic like the U87.  Then having the ability to add compression and a bit of eq.

 

A very versatile tool with a super-natural sound.  About the nearest we’ll ever get to a conventional “channel strip”
Input impedance MIC:

1kΩ

PAD: 2KΩL

INE: 10kΩ

Output Impedance: 600Ω
Max gain MIC:

52 dB

PAD: 38 dB

LINE: 25 dB

THD (30kHz filter) 

1kHz: 0.12%

100Hz: 0.22%

N.B. Distortion may increase with compression, especially with faster settings and 12 dB + compression.

Frequency response: +0/-1dB 16 Hz to 50 kHz
Max O/P level (MOL): + 25.5 dBu, 10kΩ load
Signal to Noise: 96 dB
Power Consumption: 19W
Indicator Lamp: 12V / 3W
Net Weight: 4kg

This may not be labelled, or packaged as one, but I find it difficult to think of the HG15 as anything other than a channel strip...

...The preamp stage and the general sound of the unit is fantastic; it's a great unit for general tracking, and for use with vocals and acoustic instruments in particular. Running things back out through the unit when mixing, I found it made some excellent subtle 'shaping' options available to me, and for light-to-medium compression duties I was very impressed indeed.

Sound On Sound

Read the complete review here

 

 

Thermionic Culture is known for shaping sounds to extremes, and the new single-channel HG15 is no exception; it goes to 15!

Mix Magazine

Read the complete review here

 

 

Beautifully built, highly versatile and with a stunning sound. A unit of the highest quality.

Music Radar

Read the complete review here

 

 

Once again, Vic and his team have come up with a product that sounds absolutely gorgeous while being pleasantly user-friendly – you really can’t go wrong with this. It is one of those units that sounds good on just about anything, imparting its own sonic charms in a musical and thoroughly satisfying way...

MusicTech

Read the complete review here

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