Ahuja ACM-96CH desktop paging microphone with flexible gooseneck and chime base

Paging Microphone Ahuja

KTI1400200196CH

Product Description

The Ahuja ACM-96CH is a rugged single-zone desktop paging microphone integrated with a multi-tone electronic chime, engineered for high-intelligibility announcements across commercial and institutional public address installations.

Make / Brand: Ahuja
Model: ACM-96CH
Microphone Type: Unidirectional dynamic cartridge
Frequency Response: 50 Hz to 10,000 Hz
Sensitivity: 2.0 mV/Pa
Impedance: 600 Ω
Gooseneck: 300 mm (12 inch) flexible gooseneck
Housing: Aluminium die-cast top housing
Switching: Lockable ON/OFF switch and non-lockable CHIME switch with integrated LED indicators
Chime Power Supply: Requires 2 × 1.5V (UM-3) pencil cells (they are not included)
Level Control: Preset chime volume adjustment at base bottom
Included Cable: 6-metre twin-core shielded low-noise cable with 6.3 mm (1/4 inch) phone plug

KTI1400200196CH

Price

₹ 4,153.95 excl. GST

+ 18.00% Tax + Freight Charge

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Product Details
Available Brands	Ahuja
Unit	Numbers
HSN Code	85181000
Warranty	12 Months No-Onsite Warranty
Tags/categories	Automation PA Solutions Mikes Microphones

Usually dispatched within 2 days

About this product .

The Ahuja ACM-96CH is a single-zone desktop paging microphone built for clear speech transmission in public address systems. It incorporates a sturdy aluminium die-cast top housing that withstands demanding daily operations in commercial control rooms and reception desks.
Equipped with a high-quality unidirectional dynamic cartridge, the microphone captures speech accurately while rejecting ambient background noise. It delivers a balanced frequency response of 50 Hz to 10,000 Hz with a sensitivity of 2.0 mV/Pa and an impedance rating of 600 ohms.
For ergonomic positioning, the microphone is fitted with a 300 mm (12-inch) flexible gooseneck that allows quick physical adjustment without mechanical noise. The control panel includes high-reliability switches featuring a lockable ON/OFF switch and a momentary non-lockable chime switch, both equipped with LED indicators for operational status.
An integrated multi-tone electronic chime provides a pre-announcement alert to capture audience attention before speech broadcast. The internal chime circuit operates on 2 × 1.5V (UM-3) pencil cells (they are not included), and output chime levels can be tailored using a preset potentiometer located on the bottom base.
The unit includes a 6-metre twin-core shielded low-noise cable terminated with a standard 6.3 mm (1/4-inch) mono phone jack, ensuring plug-and-play compatibility with standard PA mixer-amplifiers. It is suitable for deployment in worship places, shopping malls, corporate showrooms, conference halls, auditoriums, and event facilities.

Product Information .

Worship Places Shopping Malls, Showrooms Conference Rooms Auditorium Conference Hall Event Management

Ahuja ACM-96CH PA System Compatibility & Integration

Electrical & Impedance Matching

The Ahuja ACM-96CH desktop paging microphone is engineered with a standard 600-ohm output impedance, making it directly compatible with low-impedance microphone inputs on industrial and commercial public address equipment. Its unidirectional dynamic cartridge delivers a rated sensitivity of 2.0 mV/Pa across a frequency response curve of 50 to 10,000 Hz. This frequency profile is tailored for speech intelligibility, interfacing seamlessly with public address amplifiers, pre-amplifiers, and mixer-amplifier input stages without signal overload or impedance mismatch.

Cable Interface & Connector Specifications

Physical audio integration is handled via the included 6-metre twin-core shielded low-noise cable. This long-reach cable terminates in a heavy-duty 6.3 mm (1/4-inch) phone plug, allowing direct plug-in connection to standard 6.3 mm unbalanced microphone input jacks found on PA mixer-amplifiers and audio distribution consoles. The twin-core shielded construction minimizes electromagnetic interference (EMI) and radio frequency noise across typical control room or announcement desk cable runs.

Chime Circuit & Power Source Integration

Unlike standard passive microphones, the ACM-96CH incorporates an active multi-tone electronic chime module. The internal chime circuitry is self-powered and requires 2 × 1.5V (UM-3) pencil cells (they are not included). Because the electronic chime is internally powered by these 2 × 1.5V (UM-3) pencil cells (they are not included), the microphone does not require external phantom power from the host amplifier or mixer. Installers can calibrate chime output to match microphone voice levels using the adjustable preset potentiometer located on the bottom side of the unit.

Application & Host Equipment Integration

The single-zone architecture, combined with a 300 mm (12-inch) flexible gooseneck and aluminium die-cast top housing, allows the unit to integrate into various commercial audio control desks. Integrated LED indicators on the switch cluster provide clear visual feedback during broadcast and chime activation, supporting reliable operation in commercial and institutional audio environments.

Compatible Host Hardware: PA mixer-amplifiers, power amplifiers, zoned paging preamplifiers, and commercial announcement consoles equipped with 600-ohm, 6.3 mm (1/4-inch) phone jack microphone inputs.
Compatible Facility Deployments: Public address setups across worship places, shopping malls, commercial showrooms, conference rooms, conference halls, auditoriums, and event management installations.
Switch Configuration: High-reliability user interface featuring a lockable ON/OFF talk switch and a non-lockable momentary CHIME switch for manual chime triggering before announcements.

Parameter	Specification / Compatibility Characteristic
Output Impedance	600 Ω (nominal low-impedance input matching)
Cartridge Type	Unidirectional dynamic cartridge
Microphone Sensitivity	2.0 mV/Pa
Frequency Response	50 – 10,000 Hz
Connector Type	6.3 mm (1/4”) mono phone plug
Cable Specification	6 m (twin-core shielded low-noise cable)
Chime Circuit Power Source	2 × 1.5V (UM-3) pencil cells (they are not included)
Gooseneck Length	300 mm (12”) flexible gooseneck
Chime Output Adjustment	Bottom-side preset level potentiometer

Installation and Integration Guide for Ahuja ACM-96CH Paging Microphone

System Placement and Desktop Positioning

The Ahuja ACM-96CH is an industrial-grade, single zone desktop paging microphone engineered for commercial public address setups, shopping malls, worship places, showrooms, conference halls, and auditoriums. Position the microphone base on a clean, flat, and stable operator desk or console surface near the sound control station.

The heavy aluminium die-cast top housing provides physical stability on desktop surfaces during routine operation. Adjust the 300 mm (12-inch) flexible gooseneck to orient the unidirectional dynamic cartridge directly toward the operator's speaking position to maintain optimal 2.0 mV/Pa acoustic sensitivity and clear vocal capture across the 50 to 10,000 Hz frequency response range.

Battery Installation for Electronic Chime Circuit

The internal multi-tone electronic chime circuitry requires dedicated direct-current power. To commission the chime function, prepare 2 × 1.5V (UM-3) pencil cells (they are not included).

Invert the desktop microphone base carefully on a soft surface to access the battery compartment.
Open the battery compartment cover located on the underside of the aluminium die-cast base.
Insert the 2 × 1.5V (UM-3) pencil cells (they are not included), strictly observing the indicated polarity markings inside the compartment.
Securely close the battery compartment cover. Note: Speech transmission via the dynamic cartridge functions through the amplifier circuit, but the pre-announcement chime requires active 2 × 1.5V (UM-3) pencil cells (they are not included).

Audio Signal Interfacing and Cable Routing

The ACM-96CH comes supplied with a 6-metre twin-core shielded low-noise cable terminating in a standard 6.3 mm (1/4-inch) phone plug. This shielded configuration prevents electromagnetic hum and induced noise interference along the cable run.

Connect the 6.3 mm (1/4-inch) phone plug directly into a 600-ohm microphone input jack on your PA mixer, preamplifier, or booster amplifier. Ensure the cable is routed neatly along equipment racks or cable channels without excessive tension, sharp bends, or close parallel routing alongside high-voltage AC mains lines.

Chime Volume Level Calibration

The output level of the integrated multi-tone electronic chime can be matched to the microphone voice level via a dedicated calibration preset.

Locate the chime sound level preset adjustment on the bottom side of the ACM-96CH base.
Use an appropriate trimmer tool or small flathead screwdriver to adjust the preset level.
Engage the chime switch and test through the connected PA system to calibrate the tone to the desired sound level relative to ambient room acoustics.

Operational Commissioning and Switch Testing

Once wired and powered, perform operational testing of the high-reliability switching mechanisms before handing off the system for live announcements:

Control Mechanism	Switch Type	Functional Procedure
CHIME Switch	Non-lockable push button	Press briefly to trigger the multi-tone electronic alert prior to an announcement; verify chime broadcast and integrated LED activation.
MIC Switch	Lockable ON/OFF switch	Slide or press to the lockable ON position for continuous voice transmission; verify active voice pick-up and check that the integrated LED indicator illuminates.

Ahuja ACM-96CH Desktop Paging Microphone Troubleshooting & Diagnostic Guide

Diagnostic Overview for Ahuja ACM-96CH

The Ahuja ACM-96CH is a single zone desktop paging microphone engineered with a unidirectional dynamic cartridge, a 300 mm (12-inch) flexible gooseneck, an integrated multi-tone electronic chime, and a sturdy aluminium die-cast top. Audio issues typically originate from switch engagement status, cable routing, 600-ohm impedance matching, or depleted power cells inside the chime compartment. Follow this structured diagnostic guide to isolate and resolve operational faults across commercial PA, showroom, auditorium, and conference installations.

Absence of Voice Signal and Audio Output

If voice paging cannot be heard through the public address system, systematically inspect the signal chain from the microphone base to the mixer-amplifier:

Lockable Switch State: Verify that the special high-reliability lockable ON/OFF switch is depressed into the active 'ON' position and that the integrated LED indicator illuminates. If the switch is set to 'OFF', the 2.0 mV/Pa dynamic cartridge is muted.
Audio Cable & Plug Verification: Ensure the supplied 6-metre twin-core shielded low-noise cable is firmly seated. Verify that the 6.3 mm (1/4-inch) phone plug is completely inserted into a compatible 600-ohm microphone input jack on the amplifier.
Cartridge Orientation: Because the microphone incorporates a unidirectional dynamic cartridge, verify that the flexible 300 mm (12-inch) gooseneck is directed towards the speaker. Off-axis speech outside the 50 to 10,000 Hz frequency response profile results in attenuated pickup.

Multi-Tone Electronic Chime Failure or Inoperative Indicator

The voice paging cartridge operates dynamically, but the internal multi-tone chime generator requires internal DC power to function. If pressing the non-lockable CHIME switch produces no tone or fails to light the integrated LED indicator:

Power Cell Inspection: The chime circuit operates strictly on 2 × 1.5V (UM-3) pencil cells (they are not included). Access the battery compartment and check whether 2 × 1.5V (UM-3) pencil cells (they are not included) are depleted, missing, or installed with reverse polarity. Replace with fresh 1.5V cells (they are not included).
Switch Actuation: Ensure the non-lockable CHIME switch is fully depressed to trigger the automated chime cycle prior to speaking.

Chime Output Level Too Low or Imbalanced

If voice paging levels are standard but the multi-tone announcement chime is faint, distorted, or overpowering the PA system:

Bottom Preset Adjustment: Locate the chime level preset potentiometer on the bottom side of the aluminium die-cast base. Using a fine adjustment tool, rotate the preset screw to calibrate the chime output level until it balances smoothly with the 2.0 mV/Pa microphone voice sensitivity.
Weak Battery Voltage: A low-voltage condition on the 2 × 1.5V (UM-3) pencil cells (they are not included) can cause chime tone distortion or weak output. Replace both cells (they are not included) if adjusting the preset does not restore output volume.

Audio Hum, Noise Interference, and Feedback

If low-frequency hum or acoustic feedback occurs during PA broadcasts:

Cable Placement: Ensure the 6-metre shielded low-noise cable is routed away from high-voltage AC electrical lines, lighting ballasts, or power transformers.
Impedance Alignment: Confirm that the connected amplifier channel presents a nominal 600-ohm microphone input impedance.
Feedback Suppression: Reposition the 300 mm gooseneck to point away from paging loudspeakers to prevent acoustic feedback loops.

Quick Fault Isolation Matrix

Symptom	Probable Cause	Corrective Action
No microphone voice output	Lockable ON/OFF switch in OFF state; loose 6.3 mm (1/4-inch) phone plug	Engage lockable switch to ON; check integrated LED; re-seat 6.3 mm plug into 600-ohm amplifier input.
Chime tone does not activate	Depleted or missing 2 × 1.5V (UM-3) pencil cells (they are not included)	Install fresh 2 × 1.5V (UM-3) pencil cells (they are not included) observing correct terminal polarity.
Chime volume too faint or too loud	Misadjusted bottom potentiometer preset	Adjust the chime level preset on the bottom side of the aluminium die-cast base.
Interference or background hum	Unshielded cable run or improper 600-ohm input matching	Inspect 6-metre twin-core shielded cable routing; verify amplifier MIC input matches 600-ohm rating.

Ahuja ACM-96CH Paging Microphone Deployment Scenarios and Applications

The Ahuja ACM-96CH is engineered as a heavy-duty, single-zone desktop paging microphone designed for clear speech transmission and audio alerting across commercial, institutional, and industrial facilities. Featuring an integrated multi-tone electronic chime, a 300 mm (12-inch) flexible gooseneck, and an aluminium die-cast top housing, this unit is deployed in high-traffic administrative, retail, and public address (PA) installations.

Shopping Malls, Superstores, and Commercial Showrooms

In retail complexes and expansive commercial showrooms, customer service personnel and floor managers require a reliable broadcast station for general customer announcements, staff paging, and emergency communications. The non-lockable CHIME switch on the ACM-96CH sounds a multi-tone pre-announcement alert to gain listener attention prior to spoken voice delivery. Powered by 2 × 1.5V (UM-3) pencil cells (they are not included), the internal chime circuit features an adjustable level preset located on the bottom base, allowing technical staff to balance the chime output volume against surrounding ambient retail noise levels.

Corporate Conference Rooms, Conference Halls, and Auditoriums

Meeting spaces, institutional conference rooms, and auditoriums rely on accurate vocal reproduction with minimal background interference. The ACM-96CH integrates a high-quality unidirectional dynamic cartridge with a frequency response of 50 to 10,000 Hz and a sensitivity of 2.0 mV/Pa. Its directional pickup pattern isolates the speaker's voice while attenuating acoustic reflections and room reverberation. Presenters benefit from the 300 mm (12-inch) adjustable gooseneck, which allows precise positioning at lecterns and control desks, while the high-reliability lockable ON/OFF switch with an integrated LED indicator gives clear visual confirmation of microphone status during sessions.

Worship Places and Community Centers

Houses of worship and assembly spaces require rugged, tamper-resistant desktop equipment capable of continuous operation during services and community announcements. The sturdy aluminium die-cast top provides mechanical stability on pulpits and audio desks. The 600-ohm balanced impedance matches standard public address amplifiers and mixer inputs, and the included 6-metre twin-core shielded low-noise cable with a 6.3 mm (1/4-inch) phone plug ensures hum-free signal transmission even in venues with extended cable pathways to the central amplifier rack.

Event Management and Dispatch Consoles

In temporary event control desks, staging hubs, and industrial dispatch stations, the ACM-96CH offers dependable plug-and-play operation for zone operators. The distinct separation between the lockable speech switch and the momentary chime switch prevents accidental broadcast cutoffs during mission-critical announcements.

Deployment Environment	Primary Function	Key Hardware Feature Utilized
Retail Showrooms & Malls	Customer alerts & staff paging	Multi-tone chime powered by 2 × 1.5V (UM-3) pencil cells (they are not included) with base level preset
Conference Halls & Auditoriums	Podium speech & formal addressing	Unidirectional dynamic cartridge (50–10,000 Hz) with 300 mm gooseneck
Worship Places	Congregation announcements & podium PA	Die-cast aluminium base & 6 m shielded low-noise 6.3 mm cable
Event Management Desks	Operator paging & queue dispatch	Lockable ON/OFF switch with integrated LED indicator

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