Tapco BLEND16, Owner'S Manual

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38. USB OUTPUT: MAIN MIX/SUBS 1-2

This switch allows you to choose if the main mix or 

if subgroups 1 and 2, are sent out of the mixer’s USB 
(62) output to your computer.

If pressed in, the A/D converters of the USB 

section receive the output from subgroups 1 and 2 
(before the SUB FADERS (50)). This is a good position 
for studio recording and overdubbing with your 
computer.

If pressed out, the A/D converters receive the 

main mix (after the MAIN MIX FADER (52)), just 
the same program as your main speakers and 
tape deck will receive. This is a good position 
for recording the main performance onto your 
computer.

Further details of the USB connections and 

operation are described on page 19.

39. USB OUTPUT LEVEL and OL LED

The USB section has an A/D converter which 

converts the selected analog channels into a digital 
stream.

This knob allows you to adjust the signal level 

before it reaches the A/D converters. Turn it down If 
you see the OL light come on.

Like all OL overload LEDs, this is an important one 

to keep an eye on, so the outputs to your computer 
are not distorted.

40. PHONES

This adjusts the headphone levels without 

disturbing the main mix or control room levels.

Turn this down before connecting and putting on 

your headphones, or before engaging any switches. 
Bring it up slowly.

Caution:

 Be very careful because the 

PHONES (30) output can drive any 
standard headphones to very loud levels. 
Please see page 2 for information on 
hearing protection. 

41. CONTROL ROOM

This adjusts the output level to your control 

room, from the source selected using the SOURCE 
SELECT (42) switches below. It does not affect the 
headphones level or the main mix level.

42. SOURCE SELECT Switches 

Use these four switches to select the signal source 

for the control room outputs, headphones, and 
meters. 

Caution: 

Turn down the CTRL ROOM (41) 

and PHONES (40) knobs before pushing 
these switches.

When the switches are up, the control room 

outputs, headphones, and meters receive no signals 
(unless any channels have SOLO (18) engaged).

Push MAIN MIX to hear the main mix. 
Push CD/TAPE to hear your CD or Tape player.

Push SUBS 1-2 to hear subgroup 1 and 2 outputs.
Push SUBS 3-4 to hear subgroup 3 and 4 outputs.

Note:

 If any channel has its SOLO (18) switch in, then 

only the SOLOed channels are heard in the control 
room or headphones.

43. AUX 1 (MON) MASTER SEND

This knob is the master level control of the AUX 

SEND 1 MON (22) output jack. Adjust this knob to 
control the overall level of your stage monitor mix.  

44. AUX 2 (FX) MASTER SEND

This knob is the master level control of the AUX 

SEND 2 FX (23) output jack. Adjust this knob to 
control the level sent to your external processors.   

45. FX RETURN TO AUX 1 MON

This knob allows you to adjust the level of the 

effects going onto the AUX 1 MON bus and out to 
your stage monitors.

Signals (from external processors) coming into the 

AUX FX RETURN (24) jacks, and the internal effects 
processor output (unless bypassed), are summed to 
mono and added to the AUX 1 Monitor bus through 
this level control.

 The control ranges from minimum fully counter-

clockwise, to unity gain at the center, to +15 dB fully 
clockwise.

46. FX RETURN TO MAIN MIX

This knob allows you to adjust the level of effects 

going onto the main mix bus and out to your main 
speakers.

Signals (from external processors) coming into the 

AUX FX RETURN (24) jacks, and the internal effects 
processor output (unless it is muted) are added to 
the main mix bus through this level control.

 The control ranges from minimum fully counter-

clockwise, unity gain at the center, to +15 dB fully 
clockwise.

47. RUDE SOLO LED

This rather annoying light flashes on and off as 

a reminder when any of the channel SOLO (18) 
switches are pushed in. When flashing, you will hear 
the SOLOed channel(s) in the control room and 
headphones.

48. METERS

These LEDS show the level of the control room and 

headphone signals, before the control room and 
headphones level controls.

As the control room/phones source select 

switches are engaged, you can view the levels of 
the different sources (main mix, CD/Tape, Sub 1-2 
and Sub 3-4).

The calibrations are:  –24, –12, –4, 0, +4, +12 and 

+16 dB (Clip), where 0 dB = 0 dBu.

You can get a good mix with the meter’s peaks 

flashing anywhere between –24 and +8 dB. Most