AMS Neve 8051 Surround Compressor

AMS Neve 8051 Surround Compressor - High End Analogue 5.1 comp

Made by hand, the Neve 8051 is an analogue compressor with six transformer balanced audio paths, complemented by two side chains and a key input. Based on six 2254 compression circuits – using the same feedback topology as our legendary 33609 stereo compressor – the 8051 delivers the famous Neve sound in spades.

Flexible side chain routing, trimming and filtering make this a powerful and responsive tool for surround mixing and mastering.

Neve 8051 Features

• Hand-built, hand-wired analogue compressor for Surround mixing
• Six transformer-balanced audio paths 
• Ideal surround broadcast or mastering compressor 
• Side Chain control trims and Side Chain A/B bias control
• High and low pass filter 
• Electronically balanced key input and LFE filter inputs 
• All other inputs transformer-balanced with 3.6kOhms input impedances 
• All outputs electronically balanced, post output transformers
• Maximum output: +26dBu into 600 Ohms
• Control Voltage I/O provided for linking multiple units, or linking to 33609 
• EIN (20kHz band):
• THD+N (for 20dBu input @ 1kHz): <0.03% 
• Maximum Output Level: >26dBu into 600 ohms 
• Interchannel Crosstalk:
• Frequency Response: ±0.5dB 20Hz to 20kHz
• Neve 8051 Specifications

Levels:

• Frequency Response: +/- 0.5dB from 20Hz to 20kHz, measured at 0dBu relative to 1kHz
• Distortion (80kHz bandwidth): 0.075% maximum (Bypass IN, Compress and Limit OUT, input level at +9dBu, 1kHz)0.2% maximum (Compress IN ratio 6:1, Gain make-up to MAX, Recovery: 800mS, Threshold -18dBu)0.45% maximum (Limit IN, Compress OUT, Recovery 800mS, Input level +22dBu, Threshold -18dBu)
• Noise: -75dBu with input terminated in 600 Ohms, Bypass IN, Compress and Limit OFF; -55dBu with compress IN and gain make-up at maximum (22Hz to 22kHz bandwidth)

Limiter section:

• Limit Threshold: +4dBu to +15dBu
• Limiter Ratio: With input level at 10dBu, then increased to +20dBu, the change in output level should be 0.1dB, +/-0.1dB
• Limiter Attack Time: Slow 4mS, +/-1mS, fast 2mS, +/-1mS
• Limiter Recovery Time: A1 (auto): 100mS/2seconds, A2 (auto): 50mS/5seconds
• Compressor section:
• Compressor Ratio: 1.5:1, 2:1, 3:1, 4:1, 6:1
• Compressor Attack Time: 3mS
• Compressor Recovery Time: 100mS, 400mS, 800mS, 1.5S, and Auto 1 (100mS/2 sec) and Auto 2 (50mS/5 sec) settings.
• Compressor Gain Make-up: Gain Make-up control provides 0dB to +20dB extra gain in 2dB steps when Compress switched IN.

Power:

• Requirements: 100-250vac (47-63Hz)

Dimensions:

• Width: 482mm (19 inches)
• Height: 132mm (5.25 inches) (3U)
• Depth: 500mm (20 inches)
• Weight: 10.5kg (23lbs)