The Thermionic Culture Earlybird 2.2 has been developed to be simply the best mic amp you can buy. Because of the special balanced push pull double triode circuit, it is virtually silent and distortion free, and has a very open, clean yet warm sound. The extended frequency response and lack of phase shift make it ideal for classical or rock recording.
The Earlybird 2 has a simple yet very effective eq for top, mid and bass in the feedback circuit (switchable). The high pass filter has been designed so that it works conventionally at lower settings, but on the 2 highest settings is gentler, and provides a mid cut when used in conjunction with the active bass lift.
The Earlybird 2.2 does not have to sit idly by on a mix! A separate line in socket is provided so that it becomes a valve eq and can produce a wonderfully warm distortion if required. The Output Trim control is placed after the electronics (as on The Phoenix ) and if turned back to a low setting, The Earlybird 2 can be overdriven by increasing the Gain setting.
Its possible to boost a narrow band of midrange by 21dB with a musical sounding result using the pullets passive network whereas an active EQ may well start to sound harsh and begin to ring.
The pullet has lately been re-designed in order to allow it to be used with any preamp available. The preamp will need to give between 38 to 40 dB of gain makeup and it ideally will have an input impedance of 1200 . A range of commercially available preamps have been used during testing of the pullet and all have given excellent results.
The high input impedance (10k) of the Pullet means that it will give optimum performance when placed in a chain after any piece of equipment.
The mid boost frequencies are:
800 Hz 3.5 KHz 1.2 KHz 4.4 KHz 1.6 KHz 5 KHz 2 KHz 6.3 KHz 2.5 KHz 8.5 KHz 3 KHz
The mid cut frequencies are:
230 Hz 2 KHz 340 Hz 2.8 KHz 500 Hz 4 KHz 700 Hz 6 KHz 1 KHz 8 KHz 1.4 KHz
The air control will shelve as a lift from 15 KHz, 12 KHz and 10 KHz. It will cut from 15 KHz, 11 KHz and 6 KHz.
We have refined this so that distortion figures are reduced to only 0.2% at lowest to about 99.9% (at least that's what our distortion meter tells us!). Predominant distortion can be changed from even to odd harmonics with a simple switch. We know it's recently been rented to mix a JAMES BOND movie!
Key Features:
Warm sounds gently or create a noise like a 200 watt guitar stack with all the drivers slashed.Independent channel operation
The Phoenix is being updated continually and this unit is the Master version (suffix M) with higher stability and faster release than earlier models. A side chain filter has now been added to provide 75Hz & 150Hz, but more permutations are possible when the MC is used in stereo mode with the link switch engaged.
The Master Phoenix is easier to recall as it has a mixture of indented and switched controls and the screwdriver adjustment on the chassis behind the meters controls the current through the valves on this unit, so this corrects to some extent for valve ageing. A screwdriver is supplied with the Master Phoenix and should be used periodically to adjust the meters to zero
Stepped Input & Output controls * 6 position switched attack control * 7 position switched release control * 11 position switched threshold control
Key Features
Input Stage The input stage uses a custom 1200-ohm input Sowter transformer and an ECC81/12AT7 valve.
EQ Section The neatly laid out EQ section has all the Boost or Lift controls on the left, with a broad bass lift control, peaking at 60Hz, and a selectable mid/high lift at 2.5k, 4k ("bell" shaped) and 7k (shelving) respectively. All the Cut controls are on the left hand side, the mid cut is 700Hz, the 6 position bass cut is straight off the Earlybird 2 pre-amp. There is also a switchable LPF ( low pass filter ).
'Attitude' Distortion Section The same 5725-distortion tube which is employed in the Culture Vulture is used in the new Rooster. It offers a subtle distortion characteristic in the triode position, more so than a Culture Vulture due to the higher HT voltage, and so has a very low (about 0.01%) distortion when the 'Attitude' control is set to 1. In the pentode mode it generates more 3rd harmonic distortion. Distortion can be pretty radical when the Attitude control is to 'Max' and the input is high.
Output Section The output valve is ECF80 which combines high output with low impedance (less than 100 ohms). There is +48v phantom power, and phase reverse. The output is unbalanced as standard but a balancing transformer option that is used in the Culture Vulture Mastering will be available.
The Phoenix enhances vocals & individual instruments by being unobtrusive, gently 'warming' sounds and making solos sound more powerful. It¹s impressive on overall mixes & can give a digital mix 'reality'. It¹s also excellent for compression effects. Try drums with a 'thump' attack (i. e slowest) & fast release.