Airfield Audio Liminator 2

• Vintage David Miller design

• 70's Class A electronics

• Completely hand-assembled

• Distortion-free Opto attenuator compressor system

• Switchable input transformers - 2 modes

• 0 - 20 dB gain reduction

• Maximum output level of 32 dBu

• Low THD + noise, less than .02%

• Link switch (on both models) and a true relay bypass switch

• Silver soldering on all connections

• Circuit board made with 3 ounce copper

• Transformer balanced XLR in and out connections

• +4 / +14 dBu meter level switch (on stereo version only)

• Switchable 115/230 VAC operation

INPUT IMPEDANCE:

15K with Transformer 1, Balanced, Pin 2 hot

1.2K with Transformer 2, Balanced, Pin 2 hot

OUTPUT IMPEDANCE:

75 Balanced, Pin 2 hot

FREQUENCY RESPONSE:

± 0.25dB, 20 Hz to 20 kHz

- 2dB at 10 Hz, -2dB at 68 kHz with Transformer 1

- 2dB at 10 Hz, -2dB at 120 kHz with Transformer 2

NOISE:

less than -80 dB, 20 Hz to 80 kHz, -92 dB typical below operating level

DISTORTION:

less than .02% THD at unity gain, 4dBu input level .1% THD at 24 dBu input level

MAXIMUM OUTPUT:

+ 32 dBu into 600

GAIN REDUCTION RANGE:

0 ~ 20 dB

CROSSTALK:

-89 dB @ 1KHz, +4dBu signal level

ATTACK:

5, 30, 60, 100, 150 milliseconds

RELEASE:

.1, .3, .6, 2, 6 seconds

GAIN REDUCTION ELEMENT:

LD1 forward biased optical resistive module

METER:

dB Gain Reduction

dB Input, dB Output (0VU = + 4dBu or +14dBu)

POWER REQUIREMENTS:

20 watts, 115 / 230 VAC, 50 / 60Hz

FUSE TYPE:

3AG slo-blo, ½ Amp for 115 VAC mains, ¼ Amp for 230 VAC mains

DIMENSIONS:

19" Rackmount 3U Chassis

DEPTH:

8" (200mm)

WEIGHT:

18 pounds (10 kg)