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Description
1975 ELK Professional Echo Machine EM-4 Tape Echo Made in JapanMaker: ELK Model: EM 4 Echo Machine Condition: Vintage good Description: Here for your consideration is a 1975 ELK Professional Echo Machine EM 4 in good condition! This one is in good working order but the repeats are a bit "warbly". Could be in need of a new tape but we thought that it sounded cool, almost chorus like, so we left it as is. Pots and record playback heads have been thoroughly cleaned. A really fun, intersting, and vibey tape delay
Maker: ELK
Model: EM-4 Echo Machine
Condition: Vintage/good
Description:
Here for your consideration is a 1975 ELK Professional Echo Machine EM-4 in good condition! This one is in good working order but the repeats are a bit "warbly". Could be in need of a new tape but we thought that it sounded cool, almost chorus like, so we left it as is. Pots and record/playback heads have been thoroughly cleaned. A really fun, intersting, and vibey tape delay unit with multiple playback heads, and treble & bass tone controls.
The Elk EM-4 Professional Echo Machine is a vintage Japanese analog tape delay unit, often dated to the mid-1970s. It is known for its compact design and its use of the Sony RE-4 Endless Tape cartridge, the same format used in famous units like the Roland Space Echo.
- Tape Transport: It utilizes a two-playback head system, which is fewer than some competitors but contributes to its smaller footprint.
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Controls: The front panel typically includes:
- Continuous Speed Control: Adjusts the delay time via a variable speed motor.
- Mode Selector: A 5-position switch to choose different playback head configurations.
- Echo Intensity/Repeat: Controls the feedback for multiple repeats.
- Tone Controls: Dedicated bass and treble knobs for shaping the wet signal.
- Standby Switch: Allows the user to disengage the pinch roller to save tape wear while keeping the unit on.
- Inputs: Features multiple microphone inputs (typically 3 or 4) with individual volume controls and instrument inputs, allowing it to function as a preamp.
- Power: Operates on 100V (standard Japanese voltage) but is often compatible with 117V-120V for use in North America without a transformer.
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4.3 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 1
Tiny mop
Size: Small (12.00"), Size: Small (12.00")
It only lasted about 30 minutes with my medium size English cream retriever now it looks like a tiny mop, completely shredded a waste of money
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Price is right for a dog that chews other toys up fast`
Size: Small (12.00")
Good inexpensive toy for aggressive chewer.
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Reviewed in the United States on June 9, 2026
★★★★★ 3
DOG TUG OF WAR ROPE
Size: Medium (23.60")
A little too short, but very tuff tough the ends unravel
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Reviewed in the United States on August 9, 2025
★★★★★ 1
A real review.
Color: 2PC, Color: 2PC
When I saw the Unbreakable Teddy Extreme Bear 2.0, I thought, Finally! A toy that might survive my 9-month-old Rottweiler puppy, Pepper. She’s an aggressive chewer with a love for stuffies—she adores them, right up until she disembowels them and feasts on their cotton insides like a tiny, unhinged zombie. The toy’s name, "Unbreakabear," sounded promising. Durable? Stuffie-like? For large breeds? Sign me up!
Fifteen minutes later, it looked like a crime scene from a horror movie.
The Good:
Pepper was IN LOVE with this toy... for about 10 minutes.
The double pack is nice in theory—you know, so you have a backup when the first one inevitably doesn’t live up to its "unbreakable" promise.
The Bad:
False Advertising: This toy is marketed as "extremely durable for aggressive chewers." But let me tell you: Pepper’s chewing isn’t aggressive—it’s surgical. She shredded the bear’s ears, ripped off the tail, and then went straight for the brain like she was auditioning for Zombie Dogs Gone Wild. It didn’t even put up a fight.
Durability (or Lack Thereof): Calling this toy "extreme" is like calling a paper towel roll a chew toy. One good shake, and the seams basically exploded in surrender.
Safety Concerns: Once Pepper exposed the stuffing (and the metaphorical "brains"), it was a race to see if I could stop her from swallowing it. Stuffing everywhere. The floor looked like someone had murdered a carnival bear.
The Ugly:
Walking into the room after Pepper was done was like stumbling upon the aftermath of a teddy bear massacre. The "Unbreakabear" lay limp on the floor, its ears and tail missing, stuffing spewed around like it was the victim of a bear-sized horror flick. Pepper, triumphant, sat there with bits of fluff clinging to her mouth, looking like a deranged extra from The Walking Dead.
Final Thoughts:
If your dog is a light chewer who likes to gently cuddle their toys, this might be fine. But if your dog sees toys as a challenge, run. Stick to hard rubber toys, Kongs, or something without a vulnerable, squishy middle.
As for the warranty? Sure, I could try to get a replacement, but what’s the point? Pepper will just go full zombie surgeon again.
Would I recommend this toy? Only if you’re filming a sequel to Teddy Bear Massacre. For aggressive chewers, this is nothing but fluff and disappointment.
Pepper’s Review: 5/5 stars for taste. 0/5 stars for durability.
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Reviewed in the United States on January 15, 2025
★★★★★ 1
Toy does not live up to its name
Color: 1PC
This product is not sturdy enough for an aggressive chewer as it is advertised. It took my 7-year-old "Rottie" approximately 15-20 minutes to have this "unbreakable, in destructive aggressive chewer" toy rip open and stuffing everywhere. A complete waste of money and I would not recommend this toy to anyone with an aggressive chewer.
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Reviewed in the United States on April 19, 2026