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  • TOA MT-251H matching output transformer - angled view
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  • TOA MT-251H matching output transformer - front view 2
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TOA MT-251H: Matching Output Transformer

Model MT-251H

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  • Authorized TOA Reseller
  • Manufacturer Warranty
  • Pan-India Delivery
  • Expert Project Support
  • Capacity: 0 - 250 W
  • Frequency Response: 30 - 18,000 Hz (+0 dB, -3 dB)
  • Primary Side: 100 V line, 70 V line
  • Secondary Side: 100 V line, 70 V line, 50 V line, 35 V line
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Product Overview

Overview

The TOA MT-251H is a matching output transformer. Designed for use with the DA-250DH, DA-250FH, DA-500F-HL and DA-500FH Multi-Channel Power Amplifiers, the MT-251H electrically isolates the high-impedance speaker lines from the amplifier.

Corporate AV supplies, installs and supports TOA audio systems across India. Request a quote for the TOA MT-251H with supply, installation and commissioning.

Key features

  • Dedicated to DA Amplifiers with 100 V speaker outputs
  • Electrical Isolation for high-impedance speaker

Typical applications

  • Amplifier and PA system installations
  • Rack-mounted audio systems
  • System upgrades and spares
Why choose the MT-251H
it is a matching output transformer from TOA, supplied with Corporate AV's site survey, installation and support across India, so the MT-251H is specified for your project and not just shipped.
Product Highlights

Key Benefits

Capacity: 0 - 250 W

Frequency Response: 30 - 18,000 Hz (+0 dB, -3 dB)

Primary Side: 100 V line, 70 V line

Secondary Side: 100 V line, 70 V line, 50 V line, 35 V line

Dimensions: 108 (W) x 80 (H) x 122 (D) mm (4.25" x 3.15" x 4.8")

Use Cases

Ideal Applications

Amplifier and PA system installations

Rack-mounted audio systems

System upgrades and spares

Technical Details

Technical Specifications

Specifications
Capacity 0 - 250 W
Frequency Response 30 - 18,000 Hz (+0 dB, -3 dB)
Primary Side 100 V line, 70 V line
Secondary Side 100 V line, 70 V line, 50 V line, 35 V line
Connection Terminal M3 screw terminal, distance between barriers: 6.6 mm (0.26")
Dimensions & finish
Dimensions 108 (W) x 80 (H) x 122 (D) mm (4.25" x 3.15" x 4.8")
Weight 2.4 kg (5.29 lb)

Related Solutions

Why CorporateAV?

Sourced right. Installed right.

Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details

Additional Information

Why Buy The MT-251H From Corporate AV?
  • Genuine TOA stock with manufacturer warranty support
  • Custom pricing for bulk and multi-room / multi-site rollouts
  • Local after-sales support — a real team you can call or WhatsApp, not a call centre
  • Expert guidance on product selection and deployment planning
  • Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Contact us: +91 99452 30186, WhatsApp us or email avsupport@corporateav.in.
Distribution

Corporate AV supplies and installs TOA products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.

Frequently Asked Questions

What is the TOA MT-251H?
The TOA MT-251H is a matching output transformer. Designed for use with the DA-250DH, DA-250FH, DA-500F-HL and DA-500FH Multi-Channel Power Amplifiers, the MT-251H electrically isolates the high-impedance speaker lines from the amplifier.
What are the main specifications of the TOA MT-251H?
TOA lists these figures for the MT-251H: Frequency Response: 30 - 18,000 Hz (+0 dB, -3 dB); Weight: 2.4 kg (5.29 lb). The full specification table is on this page.
Where is the TOA MT-251H used?
It suits: amplifier and PA system installations; rack-mounted audio systems; system upgrades and spares. Corporate AV can advise whether it fits your project.
Which TOA series is the MT-251H part of?
TOA lists the MT-251H in its Multi-Channel Power Amplifier range.
Can Corporate AV supply and install the TOA MT-251H in India?
Yes. Corporate AV supplies, installs and supports TOA audio systems across India, with a site survey, commissioning and after-sales support.
How do I get a quote for the TOA MT-251H?
Use the Request a Quote button on this page or contact Corporate AV with your project details and quantity, and a consultant will respond with a quotation for supply and installation.