Manley CORE - Core Calibration Procedure

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• ALL-TUBE preamplier audio path using 1 x 12AX7WA for gain and 1 x 6922 White Follower
• Balanced Transformer Coupled XLR Microphone Input Impedance: 1250 Ohms
• Balanced XLR Line Input Impedance: 10 kOhms
• Unbalanced 1/4” Direct Input Impedance: 10 Meg Ohm
• Hi-current drive Direct Output Impedance: 50 Ohms
• Silent conducve plasc INPUT aenuator
• Compressor Maximum GAIN REDUCTION: 16 dB
• Compressor ATTACK me: 60ms slowest CCW, 30ms at 12:00,
5ms fastest CW for 6dB compression
• Compressor RELEASE me: 1.5s slowest CCW, 1s at 12:00,
100ms fastest CW from 6dB compression
• Limiter ATTACK me: 155μs
• Limiter RELEASE me: 300 ms slowest CCW, 150 ms at 12:00, 2.3 ms fastest CW
• HPF slope is 6db per octave
• Maximum Input Mic input (Low Gain Seng): -5 dBu or 435mV RMS @ 0.5% THD
• Maximum Input Mic input (High Gain* Seng): -25 dBu or 44mV RMS @ 0.5% THD
• Maximum Input Line input (Low Gain Seng): +13 dBu or 3.5V RMS @ 0.5% THD
• Maximum Input Line input (High Gain* Seng): -8 dBu or 300mV RMS @ 0.5% THD
• Maximum Input Direct input (Low Gain Seng): +24 dBu or 12V RMS @ 0.5% THD
• Maximum Input Direct input (High Gain* Seng): +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
• Insert Send output impedance: 50 Ohms
• Insert Return input impedance: 13 kOhms
• Main Output Impedance: 50 Ohms
• Direct Output Headroom (referenced to +4 dBu): 31 dB
• Main Output Headroom (referenced to +4 dBu): 16 dB
• Dynamic Range: >90 dB
• Frequency Response: 10 Hz to 75 kHz -0.15dB, -0.5 dB
• Large LED illuminated VU METER
• Meters switch to read Direct Output (1) from preamp, Output (2) from Main Out, or
Compressor Gain Reducon
• THD & Noise (1kHz @ +4 dBm): 0.02% at Low Gain seng
• Noise Floor Micpre (A WGT): - 84dB @ LOW GAIN, -64dB *HI GAIN
• EIN (A WGT): -124dBu 22-22kHz BW, 40dB gain, with 150 Ohm source impedance
• Gain via Microphone Input: 40 LOW or 50/60 dB *HI GAIN
• Gain via Line Input: 20 or 30/40dB *HI GAIN
• Maximum Gain of EQ & Limiter secon: 10 dB
• Noise Floor Insert Return to OP2: - 90dBu BW: 22Hz - 22kHz
• AUTOMUTE warmup delay: 30 seconds
• Power consumpon: 35 Was
• Operang 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.
*HIGH GAIN when referred to is @ 60dB unless otherwise stated. This relates to whether the
internal HI GAIN jumper is either set to an extra 10dB or 20dB of gain.
CURVES & SPECIFICATIONS