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PEN-40T Owner's Manual

Zohaib
Updated

4˝ 70V Hanging Pendant Speaker for Commercial/Restaurant Use

The Rockville PEN-40T series are beautiful hanging pendant speakers which would be perfect for restaurant, hotel and other applications.

Functions

  1. Euroblock-Style Terminal
  2. Eye-Bolt
  3. 70V/100V Wattage Tap Setting Dial

Detailed line-art diagram within a circular inset showing numbered rear panel features of a spherical pendant speaker: * **1 (Terminal Connector):** A 4-pin Euroblock (Euro-style) screw-terminal block set into a recessed upper cutout, with an adjacent label diagram showing input/output wiring assignments. * **2 (Mounting Eyelet):** A threaded eyebolt/hanging loop attached to the center of the rear panel for suspension or safety cable attachment, located directly above a Rockville specification chart label. * **3 (Tap Selector Switch):** A rotary control dial set into a recessed lower cutout for selecting 70V/100V transformer wattage taps or 8-ohm bypass mode.

Choosing the Appropriate Tap

70-volt systems are the number one choice for any application for which you want to install multiple speakers. With 70 volt there are a lot of advantages over 8-ohm systems. One of the main advantages is the simplicity of the wiring, as well as how easy it is to match up the speakers with an amplifier. You always want your 70-volt amp to have at least 15% or 20% more power than the combined watts your speakers are tapped at. For example, if you have a 200-watt /70-volt amplifier, you can install eight 70-volt speakers that are tapped at 20 watts each or sixteen 70-volt speakers that are tapped at 10 watts each as long as they total close to 160 to 175 watts. When we say the word “tap”, what we are referring to is the selector knob on the back of the PEN-40T. It allows you to set how many watts the built-in transformer will allow the speaker to get from the amplifier. There are taps set at 2.5, 5, 10 and 20 watts for 70-volt input; 5, 10 and 20 watts for 100-volt input. This range of taps allows for full customization of the sound for the space where the speakers are installed. In a restaurant, for example, you can tap your dining room speakers at 10 watts, the speakers in the outside seating area at 20 watts and the ones in the hallway and bathrooms at 5 watts. Another great feature of 70-volt speakers is that you can mix and match any type, whether they are pendant speakers (such as these), wall-mount speakers, ceiling speakers, subwoofers, etc.

Another benefit of 70-volt speaker setups is the ability to run very long lines of speaker wire without signal loss. And, the wiring is very simple. You just connect all the positive terminals of the speakers to the positive 70-volt terminal(s) of the amplifier. The negative terminals on the speaker get connected to the negative (COM) terminal(s) of the amp. You do not have to worry about impedance as the power is constant.

Setup

70V/100V Speaker Configuration

The total number of speakers multiplied by the tap value cannot exceed the output power (in watts) of your 70V amplifier. The example below shows a total of four PEN-40T speakers. Using the 20W taps, you will need an amplifier with at least 100 watts (4 speakers x 20W tap = 80W). A good rule of thumb is to select an amplifier with 15% to 20% greater power; in this case, an amplifier that delivers about 100W.

Four Pen-40T Speakers Connected in Parallel Using 20W Taps

System wiring diagram illustrating a 70V/100V commercial speaker installation connecting four pendant speakers in parallel to an audio amplifier: * **Amplifier Connections (Top Left):** * Displays an amplifier front panel schematic next to a back-panel section labeled **DIRECT SPEAKER OUTPUT** featuring binding post/screw terminals labeled **100V**, **70V**, **4–16Ω**, and **COM**. * **Negative Line:** A black wire runs from the **COM** terminal, labeled **COM (Negative)**, to a bottom bus wire connecting to the negative (-) terminal of each speaker. * **Positive Line:** A grey wire runs from the **70V** terminal, labeled **70V/100V**, to a top bus wire connecting to the positive (+) terminal of each speaker. * **Pendant Speaker Array (Parallel Daisy Chain):** * Four bell-shaped pendant speakers are lined up horizontally along the bottom. * **Positive Bus Line (Top):** Connects to the top (+) terminal on the housing of all four pendant speakers in series. * **Negative Bus Line (Bottom):** Connects to the bottom (-) lead extending from each of the four pendant speakers in series.

8-Ohm Speaker Configuration

2 Speakers Connected to an Amplifier with 8-Ohm Output

System wiring diagram illustrating a low-impedance (8-ohm) setup connecting two pendant speakers to an audio amplifier: * **Amplifier Connections (Top):** * Displays an amplifier front panel schematic above a back-panel section labeled **DIRECT SPEAKER OUTPUT** with terminals labeled **100V**, **70V**, **4–16Ω**, and **COM**. * **Positive Line:** A grey wire runs from the **4–16Ω** terminal, labeled **8 Ohm**, and splits to connect to the positive (+) terminal of each speaker. * **Negative Line:** A black wire runs from the **COM** terminal, labeled **COM (Negative)**, and splits to connect to the negative (-) terminal of each speaker. * **Speaker Array (Parallel Connection):** * Two bell-shaped pendant speakers are positioned on the bottom left and bottom right. * Both speakers are wired in parallel directly to the low-impedance output lines.

Wiring

Ensure that the wire sheathing is flush with the opening. Otherwise, the wires can touch and cause accidental shorting.

Three-panel line-art diagram detailing the step-by-step process for wiring a Euroblock terminal connector: * **Panel 1 (Loosen Screw):** A flathead screwdriver is inserted into the top screw slot of the rightmost terminal on a 4-pin Euroblock connector. A circular arrow around the screwdriver indicates turning it counter-clockwise to open the wire clamp. * **Panel 2 (Insert Stripped Wire):** A single wire with stripped insulation is positioned in front of the opened rightmost entry port. A bold black arrow points into the port, indicating to push the bare wire conductor straight into the terminal. * **Panel 3 (Tighten Screw & Verify):** The wire is fully inserted into the entry port. The flathead screwdriver turns clockwise in the top screw slot (indicated by a circular arrow) to clamp the wire tightly. An exclamation triangle icon points to the entry port, emphasizing checking for a secure, properly seated wire connection.

Installation

These speakers are designed to be hung over-head via a drop cable (not included). Make sure that the drop cable has been cut to the proper length and that it has been properly secured to the mounting surface.

1. Slide the end of the drop cable through the eye-bolt’s opening to create a loop.

Two-panel line-art instruction diagram labeled "**1**" demonstrating how to loop a suspension cable through a pendant speaker's hanging eyelet: * **Left Panel (Threading Cable):** * Displays the top enclosure of a pendant speaker with a threaded eyelet bolt attached to the top center. * A suspension wire drops down from above, threads through the eyelet loop, and curves back upward as indicated by two black directional arrows (one pointing down into the loop, one pointing up and to the right out of the loop). * **Right Panel (Threaded Loop Complete):** * Shows the suspension wire fully threaded through the eyelet, leaving an extended tail running parallel to the main hanging cable above the speaker.

2. Close the loop by tying a knot (fig. a) or by using a fastener to secure it (fig. b, c and d). Please note: The illustration displays the most common technique and some of the most common fasteners used for securing the cable. There are a wide variety of fasteners and techniques to secure the cable. Be sure to choose the one best suited for your installation.

Four-panel instruction diagram labeled "**2**" illustrating four different methods for securing a looped wire suspension cable to a pendant speaker eyelet: * **Panel a (Wire Wrapping / Knotting):** * The tail of the suspension wire is wrapped tightly around the main standing cable in a series of spiral coils above the eyelet loop. * **Panel b (Swage / Crimping Sleeve):** * Both the standing wire and tail are passed through a figure-8 oval crimping sleeve (shown detailed in a top-right inset). The sleeve is crimped tightly to hold the loop in place. * **Panel c (Set-Screw Cable Lock):** * A cylindrical metal cable lock (shown detailed in a top-right inset) slides over the wire loop and is secured by tightening a set screw against the cables. * **Panel d (U-Bolt Wire Rope Clip):** * A standard U-bolt wire rope clamp (shown detailed in a top-right inset) fits over the parallel cables and is tightened down with nuts to clamp the loop closed.

Dimensions

Dimensional line-art drawing showing side-profile physical specifications for a bell-shaped pendant speaker: * **Enclosure Height:** Labeled along the left vertical dimension as **6.21"** from the bottom rim to the top edge of the speaker housing. * **Total Height:** Labeled along the right vertical dimension as **7.17"** from the bottom rim to the top tip of the hanging eyelet. * **Base Diameter:** Labeled along the bottom horizontal dimension as **6.06"** across the widest point at the speaker opening.

Features/Specifications

  • 4˝ woofer with polypropylene cone and foam surround delivers clear mids and lows
  • 8 Oz Magnet
  • ABS injection molded professional cabinet
  • 13mm PEI Dome Tweeter for crystal clear highs
  • 70V, 100V or 8-ohm operation
  • Wattage Tap Options:
    70V: 2.5W, 5W, 10W, 20W
    100V: 5W, 10W, 20W
    8 Ohm(Transformer Bypass)
  • 30 Watt-RMS Power Handling at 8 Ohms 
  • Frequency Response: 70Hz – 20khz
  • Sensitivity: 85dB ±2dB
  • Eyelet hanging bracket is included
  • Detachable  Euroblock-Style Terminal for easy installation
  • Color: Black or White available
  • Weight: 3.5lbs. each
  • Cabinet Width/Diameter: 6.06˝
  • Cabinet Height(w/out eye hook): 6.21˝
  • Overall Cabinet Height(w/eye hook): 7.17 ˝

 

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