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Four programmable effect loops (3 series + 1 separate) plus effect power in a compact unit.

Up to four combinations of the four loops can be programmed and recalled instantly in the PROGRAM mode.

The four loops can be directly turned on or off individually in the DIRECT mode.

80 mm footswitch spacing for easy operation.

Feature Details

Vitalizer Input (VZ IN)

The Vitalizer circuit fed by this input “fortifies” the relatively weak guitar or bass signal without changing the signal level so that it is less susceptible to degradation.

Input (IN)

The sound of some effects, notably certain types of fuzz and distortion, can change when connected after a buffer circuit. If you will be connecting effects of this type to the PEC-4V, connect your instrument to the IN jack to bypass the Vitalizer circuit and connect directly to the effect loops.

Series Loops

Loops 1 through 3 are connected in series (one after the other). Signal switching is accomplished via precision mechanical relays. When a loop is OFF the corresponding SND output is muted so that no signal is sent to the connected effect unit. This eliminates the possibility of unwanted oscillation due to crosstalk when high-gain effects are used. All loops are S.C.T (Single Contact True-bypass) type circuits, so when a loop is bypassed the signal passes through only a single relay circuit for maximum reliability and sound quality.

Separate Loops

Loop 4 is totally independent, and uses the same type of precision mechanical relay as loops 1 through 3 for switching. In addition to functioning as an independent loop, the separate loop SEND jack can also be used as a latching N.C. (Normally Closed) switch, and the OUT jack can be used as latching N.O. (Normally Open) switch for remote amplifier channel switching.

This loop is completely independent, right down to the ground line, so you can use it as a control switch without having to worry about ground loop problems. The separate loop can be used as a mute loop, an A/B switcher, and other utility functions. When the three series loops aren't enough for your system, you can patch the series loop OUT jack to the separate loop IN jack to provide a fourth series loop.

Vitalizer Through (VZ THRU)

The signal received via the buffered input (Bu-IN) or non-buffered input (IN) is always available at this output for connection to an electronic tuner. The tuner output is buffer-isolated from the main signal chain so that a short in the tuner cable or a malfunction in the tuner itself wonユt affect the main signal.

DC9V Output/Provolt9

Each of these output connectors can supply up to 100mA (a total of 400mA for all 4 outputs) of regulated DC 9V power. If any of the Provolt9 DC outputs are accidentally shorted, its Short Protection & Auto Recovery feature pro- tects the internal circuitry from damage while keeping all other outputs active. When the cause of the short is removed the affected output will recover auto- matically and normal DC supply will resume.
Double Filtering on each of the Provolt9 outputs ensures exceptionally clean power supply. Clean power is essential for high-resolution, refined sound.


  • ●Power Supply: AC adaptor (PAP-812DC)
  • ●Power Consumption: 8.2W (with DC9V Maximum Load)
  • ●Dimensions (W x D x H): 290 x 70 x 32 ~ 40 mm (incl. jacks and switches)
  • ●Weight: 780 grams, approx.
  • ●Supplied Accessories: AC adaptor (PAP-812DC)