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Black 12-inch guitar speaker with silver ferrite magnet and metal frame

Eminence

Eminence JS1250 12-in 1.75-in Voice Coil 8 Ohms 38 oz Ferrite Guitar Speaker

SKU CH-TMDN-S4PRV

A versatile 12-inch guitar speaker with a 1.75-inch voice coil, 8-ohm impedance and 38 oz ferrite magnet designed for vintage tone with modern power handling

  • Versatile 12" speaker delivers vintage tone with modern amp power handling
  • 75-inch voice coil and 38 oz ferrite magnet provide robust performance
  • Designed by Josh Smith combining Tonespotter lows, Wizard highs, and Red Fang grit
  • Manufactured in the United States for reliable quality
  • 8-ohm impedance ensures compatibility with standard guitar amplifiers

Josh Smith Signature Speaker

The Eminence JS1250 is a 12-inch guitar speaker designed from Josh Smith's concept for the ultimate tone. It merges vintage character with the ability to handle modern amplifier power. The 38 oz ferrite magnet and 1.75-inch voice coil deliver a versatile response suited for stage and studio use.

Upgrade from Stock Speakers

This unit replaces generic factory speakers that lack defined low-end or clear highs. The jump is worth it when a player needs the combined lows of the Tonespotter, clean highs of the Wizard, and the grit and sparkle of the Red Fang in one driver. It targets the guitarist who wants a single speaker covering multiple classic voicings.

12-Inch Ferrite Platform

The 12-inch cone with a 38 oz ferrite magnet comfortably handles high-output amps while retaining vintage sensitivity. It runs out of headroom only when pushed beyond the thermal limits of the 1.75-inch voice coil in extreme volume scenarios. The 8-ohm impedance matches standard amplifier outputs for straightforward installation.

Highlights

  • Versatile 12" speaker delivers vintage tone with modern amp power handling
  • 75-inch voice coil and 38 oz ferrite magnet provide robust performance
  • Designed by Josh Smith combining Tonespotter lows, Wizard highs, and Red Fang grit
  • Manufactured in the United States for reliable quality
  • 8-ohm impedance ensures compatibility with standard guitar amplifiers

Specifications

No published specifications for this item yet.

Questions about this item

What cabinet cut-out diameter does the 12-in Eminence JS1250 need?

The speaker requires a standard 12-inch mounting hole; verify your cabinet baffle matches this diameter before installation.

How do I wire the 8-ohm JS1250 correctly, and what mistake should I avoid?

Connect the amplifier output to the speaker terminals observing polarity; the common error is reversing positive and negative leads, which cancels bass response.

When should I plan to recone the 38 oz ferrite-magnet JS1250?

Recone the unit if the 1.75-inch voice coil rubs, the cone tears, or the suspension sags after extended high-power use.

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