Manley Core Reference Channel Strip
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Manley Core, the essential tube channel-strip
The Manley Core Reference Channel Strip integrates microphone preamp, 3-band EQ, and dual-stage limiting in a streamlined 2U format. Hand-built in California, it combines a custom hand-wound Manley IRON® input transformer, all-tube Class A gain stages, and Manley's acclaimed ELOP electro-optical compression with FET brick-wall limiting. Designed for intuitive operation without compromising any sonic performance, the CORE delivers during tracking and mixing sessions.
Tube Complement & Compressor Parameters
• ALL-TUBE preamplifier audio path using 1 x 12AX7 for gain and 1 x 6922 White Follower
• Balanced Transformer Coupled XLR Microphone Input Impedance: 1200 Ohms
• Balanced XLR Line Input Impedance: 10 kOhms
• Unbalanced 1/4" Direct Input Impedance: 10 Meg Ohm
• Hi-current drive Direct XLR output Impedance: 50 Ohms
• Silent conductive plastic INPUT attenuator
• Microphone preamp high pass filter starting at 120Hz with a 6dB/8va slope
• Compressor Maximum GAIN REDUCTION: 16 dB
• Compressor ATTACK time: 60ms slowest CCW, 30ms at 12:00, 5ms fastest CW for 6dB compression
• Compressor RELEASE time: 1.5s slowest CCW, 1s at 12:00, 100ms fastest CW from 6dB compression
Maximum Input & Output Levels
• Maximum Input Mic input (Low Gain Setting): -5 dBu or 435mV RMS @ 0.5% THD
• Maximum Input Mic input (High Gain Setting): -25 dBu or 44 mV RMS @ 0.5% THD
• Maximum Input Line input (Low Gain Setting): +13 dBu or 3.5V RMS @ 0.5% THD
• Maximum Input Line input (High Gain Setting): -8 dBu or 300mV RMS @ 0.5% THD
• Maximum Input Direct input (Low Gain Setting): +24 dBu or 12V RMS @ 0.5% THD
• Maximum Input Direct input (High Gain Setting): +17 dBu or 5.5V RMS @ 0.5% THD
• Maximum Input Insert return: +20 dBu or 7.8V RMS @ 0.5% THD
• Maximum Preamp Output (Insert Send): +35 dBu or 43V RMS @ 0.5% THD
• Maximum Preamp Output (Insert Send): +22 dBu into 600 Ohms
• Maximum Main Output: +20 dBu
Headroom & Dynamic Performance
• Insert Send output impedance: 50 Ohms
• Insert Return input impedance: 13 kOhms
• Main Output Impedance: 50 Ohms
• Direct Output Headroom (referenced to +4 dBv): 31 dB
• Main Output Headroom (referenced to +4 dBv): 16 dB
• Dynamic Range: >90 dB
• Frequency Response: 10 Hz to 20 kHz ±0.5 dB
Audio Performance & Metering
• Large LED illuminated VU METER
• Meters switch to read Direct Output (1) from preamp, Output (2) from Main Out, or Compressor Gain Reduction
• THD & Noise (1kHz @ +4 dBm): 0.02% at Low Gain setting
• Noise Floor (Gain set to minimum): -70 dB wideband typical
• Gain via Microphone Input: 40 or 60 dB
• Gain via Line Input: 20 or 40dB
• Maximum Gain of EQ & Limiter section: 10 dB
• AUTOMUTE warmup delay: 30 Seconds
Power Requirements & Dimensions
• Power consumption: 35 watts
• Operating mains voltage: 90 to 254 VAC (internal universal supply)
• Mains Voltage Frequency: 50-60Hz
• Dimensions: 19" x 3 1/2" x 7" (occupies 2u)
• Unit Weight: 8.3 lbs.
• Shipping weight: 11.5 lbs
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