1028 Mic Pre/EQ Module

The 1028 is completely hand-wired using Carnhill (St. Ives) transformers. It has the exact same mic/line preamp as the 1073, but with significantly more frequencies in the mid and hi sections.

Aside from simply offering more frequency settings to play with, these expanded EQ sections also allow you to play the mid bell curve directly against the high and low shelves where they overlap. This capability opens the tone shaping possibilities in very interesting and musical ways.

The 1028 includes the same low pass filter as the 1084, giving it 28 frequencies.

Features

• High Frequency: +/-16dB shelving with selectable frequencies of 10kHz, 12kHz, 16kHz, 20kHz and 24kHz

• Low Frequency: +/-16dB shelving with selectable frequencies of 35Hz, 60Hz, 110Hz & 220Hz.

• Mid Range: +/-12dB or +/-18dB peaking with switchable selectable centre frequencies of 160Hz, 270Hz, 360Hz, 510Hz, 700Hz, 1.6kHz, 3.2kHz, 4.8kHz, 7.2kHz, 8.2kHz, 10kHz.

• High Pass Filter: 18dB per octave slope, switchable between 45Hz, 70Hz, 160Hz & 360Hz.

• Low Pass Filter: 18dB per octave slope, switchable between 6kHz, 8kHz, 10kHz, 14kHz, & 18kHz.

• EQ Button: Switches the equaliser on or off

• Phase Button: 180º

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Technical Specifications

Frequency Response
10Hz to -3dB at 55kHz

3 Band Equaliser
HF: +/-16dB fixed frequency shelving at 10kHz,12kHz, 16kHz, 20kHz and 24kHz
LF: +/-16dB shelving with selectable frequencies of 35Hz, 60Hz, 110Hz & 220Hz
MF: +/-18dB +/-12dB or +/-18dB peaking with switchable selectable centre frequencies of 160Hz, 270Hz, 360Hz, 510Hz, 700Hz, 1.6kHz, 3.2kHz, 4.8kHz, 7.2kHz, 8.2kHz, 10kHz

High Pass Filter
45Hz, 70Hz, 160Hz & 360Hz

Low Pass Filter
18dB per octave slope, switchable between 6kHz, 8kHz, 10kHz, 14kHz, & 18kHz

Mic Input Impedance
≈1200/300 ohms

Line Input Impedance
10k ohms

DI Input Impedance
≈150k ohms

Output Impedance
65 ohms

Common Mode Rejection Ratio
100dB min @ 60Hz

Maximum Output Level
+27.4 dBu @ 600Ω

Power Requirements
115/230 VAC, 28W

Gain dB
0 to 80 dB

Equivalent Input Noise
-110 dBu; Unweighted 300kHz Bandwidth

Weight (Module/Rackmount)
6 LBS / 2.72 KG
10 / 4.54 KG

Dimensions in Inches (Module/Rackmount)
1.75W x 8.75L x 7.75D
19W x 1.75L x 9D