Thermionic Culture PULLET

Passive Valve Equalizer

OUR PART #: PULLET Write the First Review.

The Pullet is a passive equalizer originally designed to complement the Earlybird Pre-Amp.
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Our Price: $1,899.00
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The Pullet is a passive equalizer originally designed to complement the Earlybird Pre-Amp. The Pullet will provide a variable Q boost at 11 frequencies of 21dB and simultaneously a cut at 11 frequencies of 21dB. In addition high top can be boosed or cut with a shelving filter. The Earlybird will provide the gain makeup required after a line level signal has been passed through the Pullet's passive EQ network. This provides an excellent arrangement due to the fact that the passive EQ of the Pullet gives full control over any midrange frequencies while the active EQ of the Earlybird can give a smooth sounding control over the bass and top frequencies. The fact is that passive EQ can give a much better result when radically boosting or cutting mid frequencies with a tight Q than active EQ can ever do.

It is possible to boost a narrow band of midrange by 21dB with a musical sounding result using the Pullet's 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 gives between 38 to 40dB of gain makeup and it has an input impedance 1200 ohms. 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

SPECIFICATIONS

  • Output Impedance: 1.3kO (with Pullet EQ in and set flat, i.e. no cut or boost)
  • Input Impedance: 15kO (with Pullet EQ in and set flat, i.e. no cut or boost)
  • Maximum Mid Lift: 21dB
  • Maximum Mid Cut: -17dB
  • Maximum High Top Lift: 6dB
  • Maximum High Top Cut: -9dB
  • Frequency responce with no EQ +/-0.3dB: 17Hz to 50kHz
  • Input & Output connectors: 4x3 pin XLRs, wired balanced, pin 2 hot

 

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