User manual
Heritage Audio MCM-20.4 Analog 20-Channel Summing

User Manual for Heritage Audio MCM-20.4 Analog 20-Channel Summing Mixer

• Product category: Analog Summing Heritage Audio
• Brand: Heritage Audio
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Heritage Audio Analog Summing

Product description

• 16 channel inputs and four aux inputs via DB25 connectors

• Balanced inserts for all input channels, four subgroups (two stereo pairs), and stereo master bus

• DB25 channel and subgroup inserts

• XLR master inserts

• Dedicated XLR 3-pin mix and monitor outputs

• Per-channel volume and pan knobs

• Per-channel mute and insert return switches

• Volume control, mute switch, and insert return selector for each stereo subgroup and stereo master

• Stereo VU meters calibrated for 0 VU = +8 dBu

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Technical parameters

Heritage Audio MCM-20 Specs

Type	Analog
Inputs	2 x DB25 analog 8-channel inputs
Outputs	2 x XLR 3-pin male (mix outputs, stereo pair) 2 x XLR 3-pin male (monitor output, stereo pair)
Inserts	2 x DB25 analog 8-channel insert sends 2 x DB25 analog 8-channel insert returns 1 x DB25 analog subgroup insert sends and aux sends 1 x DB25 analog subgroup insert returns and aux inputs 2 x XLR 3-pin male insert sends (master, stereo pair) 2 x XLR 3-pin female insert returns (master, stereo pair)
On-Board Processors	None
Gain Control	Per-channel knobs Master fader knob
Gain Range	Unity gain to minus infinity
Impedance	Channel Input: > 20 kOhms
Maximum Input Level	Channel Input: > +26 dBu Insert Return: > +26 dBu
Maximum Output Level	Main Output: > +26 dBu into 600 Ohms Insert Send: > +27 dBu, able to drive 600 Ohms
Frequency Response	20 Hz to 20 kHz ( Rating 100% users recommend this product to others. And what about you? This product has already been rated by 95 owners. Add your rating and experience with the product. Discussion Ask our technicians if you have a problem with your settings, or if anything is unclear in the user manual you have downloaded. You can make use of our moderated discussion. The discussion is public and helps other users of our website who may be encountering similar problems. The discussion is empty - enter the first post Post a new topic / query / comment: Items marked with * are required. Your name *: E-mail : Subject *: Message *: Your email address will not be displayed. Do not forget to fill it in if you want to receive a reply to your enquiry/contribution. Processing of personal data in accordance with GDPR