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Ohm Walsh 4

Specifications
Production Period
mid 1980s
Nationally Advertised Price
$1995 per pair
Dimensions
15.5 x 15.5 x 40
Amplifiers Recommended
40 - 150W
Impedance (typical)
6Ω
Frequency Response
32 - 20,000 Hz (+/-3dB)
Sensitivity @2.8 Volts
89 dB
Recommended Room Sizes
1200 - 3800 cu.ft.
Walsh Spec Sheet
Download 3 MB
Super 4.4000 Upgrade Kit Instructions
Download 75 kB
Super 4.5000 Upgrade Kit Instructions
Download 82 kB
Walsh 4 manual
Download 4 MB
Julian Hirsch Review for Walsh 4
Download 6 MB
Purchase OptionsPriceOrder
Low Repair

If there is very little sound and it is scratchy, buzzy, or it rattles in the low frequency range, then a low repair is necessary. We must receive both speakers from you so that we can match them both to the good one.

$400
High Repair

When the system is very dull sounding but most of the sound is acceptable, it usually indicates that a high repair is necessary. Sometimes this is only noticed when one speaker is compared to another. We must receive both of your drivers so that we can match them both to the good one.

$250
Repair/Replace Metal Can

The metal can is the protective cover enclosing the driver. This should not be removed except at the Ohm factory. If third-party repairs are attempted, the final repair cost will be higher to fix whatever additional damage is done. However, a small cosmetic dent in the area opposite the wires will have no effect on the sound. These are sold and installed only at the factory after the drivers have been tested and found to be working properly.

$75
Grill

The grill is the cloth and frame used to cosmetically conceal the drivers without affecting the sound. Ohm now uses black grills in almost all cases. In the past, brown and brown/black mixes were used. Now they are all black. The latest style uses wood and perforated metal like the thousand series. The new ones also have no seams. They are much nicer looking than the originals.

Flat Shipping Rates

CountryState/RegionRate (USD)
US: United Statesall28
CA: Canadaall56
$200 4 5
Upgrade to Super Walsh 4. 3000

This upgrade exchanges the complete driver and input terminals plus a new vent adapter. You get the Walsh 3000 drivers. You’ll get deeper bass, more articulate mids and extended highs with wider dispersion in exchange for the 3 controls.

$2,700 1 4
Surround - Maintainence / pair

The original surrounds typically last 10 to 20 years while our new surrounds are projected to last up to 30 years. We change the surround and rematch the drivers. They give you better transition to the mid-range for smoother vocals. The new foam is rated for 20-30 years. At the same time, we change the old dampening material on the inverted driver and re-balance the pair to ensure that they are properly matched and performing correctly.

$350
Crossover

The crossover is the electrical circuit that protects the tweeters from the low frequency energy that is reproduced by the main drivers. This can only fail, in rare instances, from overdriving the speakers.

$350 2
Upgrade to Super Walsh 4.4000

This upgrade gives you deeper bass, more articulate mids, extended treble with wider dispersion and over twice the dynamic headroom of the 4.3000 upgrade. It comes with: 1. Two New Walsh 4000 drivers. 2. Two new grills to accept the larger driver, 3. Two new input boards with gold-plated 5-way binding posts 4. Two new vent adapters to tune the cabinet lower.

$4,000 1 4
Upgrade to Super Walsh 4.5000

Gary Nachman posted on Ohm Acoustics’s timeline

“Completed my OHM 4/4XO to 5000 upgrade last evening. WOW. It is like listening to my music again for the first time.”

This upgrade gives you deeper bass, more articulate mids, extended range & wider dispersion in the treble, over twice the dynamic headroom and controls to match your room and listening tastes. The kit includes: 1. Two new Walsh 5000 divers on special mounting boards for the Walsh 4 cabinet. 2. Two new grills to fit the larger driver, 3. Two new input boards with gold-plated binding posts, and 4. Two new vent adapters to tune the cabinets lower.

$4,700 1 4
(1) With the return of the original part for recycling within 60 days.
(2) With the return of the original part for recycling before the shipment of the new part.
(3) Recycled repaired and tested.
(4) Per pair.
(5) Special shipping rate applies.

The Walsh 4 was for medium to large rooms in the second generation Walsh speakers which provided deeper bass and higher treble. We used real wood veneer cabinets with an Ohm logo in the lower center. There were 3 controls on the back: one to match the bass response to your room size (down for small rooms, up for large rooms and in the middle for mid-sized rooms), one to match the treble (increase for rooms with carpeting and over stuffed furniture, down for hard floors and no drapes, in the middle for average mixed rooms), and a third control set the ”perspective” (forward brought the mid-range up slightly and recessed depressed it slightly).

The speakers’ drivers came as matched mirror image pairs. They have labels identifying the left speaker and right speaker. The cabinets are interchangeable so it is important to have the drivers on the right side with the Ohm logos on the front. Placed eight to twelve feet apart and about one foot from the wall gives the smoothest bass and best imaging.

The driver can be upgraded to the new Walsh 3000, 4000, or 5000 which allows for the bass to be extended down and the treble to have wider dispersion. All necessary parts can be installed with a screwdriver and hot glue gun and takes only 20 minutes. The upgrade comes with a 3 Year Limited Parts & Labor Warranty.

The Walsh 4012 upgrade is similar to the Walsh 4.4000 but with a 12" Xtreme Xcursion subwoofer in the bottom of the same cabinet, driven by a dedicated subwoofer amp with 500 Watts per channel.  This is a 20/20K design, covering the full range of human hearing. It reproduces deeper bass and higher treble than the Walsh 4 (The highs are the same as the current 4000.) and plays much louder than the Walsh 4.  This upgrade must be done at the factory, since it requires extensive modification to the cabinet, and comes in your choice of real wood veneers. You can still audition this upgrade with our 60-Day Home Trial and send back your speakers in the same packaging material we used to send you the new ones. All upgrades come with Ohm's 3-Year Limited Parts and Service Warrantee.

Note: Most Ohm upgrades require no specialized knowledge and are easily completed completed by any person. It takes less time to install your own upgrade than it does to package and return ship your speakers to the factory, therefore, we recommend you save time and money by doing this yourself. We ship the upgrade to your door with clear, easy instructions. If for any reason you prefer to have the factory complete your upgrade installation, we will be happy to do this for free, however, you will be responsible for shipping and handling costs each way.

Ohm allows up to $1995 for the return of a complete undamaged pair of Ohm 4s toward 25% of the purchase price of new Ohm speakers.

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