Stax SRM-700 Series Electrostatic Headphone Amplifier

Stax SRM-700 Series Electrostatic Headphone Amplifier

Marsoni

M251S

$2349.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Stax SRM-700 Series Electrostatic Headphone AmplifierThe newly designed SRM 700T is a hybrid electrostatic headphone driver utilizing a fully discrete dual FET. The output of the J FET and the large current emitter follower circuit are low noise. Specifications 700S: Type: All stage FET configuration DC amplification driver unit Frequency response: DC 100kHz (with one SR 009S) Gain: 60dB Harmonic distortion: 0. 01% or less (1kHz 100Vrms output) Input impedance: 50k (RCA), 50kx 2 (XLR) Maximum output

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This ball has been a boredom buster lifesaver. On the first day my 15 week golden retriever puppy played with it for a good 2 hours straight. I was nervous he would immediately get bored with it but nope, he searches for it every day. It has helped with his puppy teething, he's more likely to play with this ball than come up and use my hand/arm/clothes to teethe on. The battery lasts a good amount of time and is quick to charge but I did wish it lasted a bit longer. Overall I'm very happy. We live in a top floor apartment but the noise doesn't seem to be too bad for the neighbors. It's good quality and seems durable. Edit: The velcro for the sleeve wears out within a couple uses. It keeps falling off. It was my puppies FAV thing about the toy because of the pull tag thing. So now it's ineffective for him. Not sure if there's a way to get a new sleeve or not.

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Reviewed in the United States on April 2, 2025

Verified Purchase

Jill

Natrona Heights, US

★★★★★ 5

One of the best dog toys I’ve bought off Amazon in a long time

Color: Green

My dog Rosie is a heavy tower so it is difficult to find balls she doesn’t destroy quickly. I came across this item on Amazon and it is honestly one of the best pet toys I’ve ever bought on Amazon. After a long day of work sometimes I come home and Rosie has a lot of energy. I turn this ball on fast mode and she has so much fun. I do worry about how much shaking in her mouth. I don’t wanna give her a headache, lol but there’s also a slow mode that you can press for the ball to slowly move around, but it’s a really good toy and I’m happy. I purchased it if you have a heavy tower, I wouldn’t worry about them breaking it because we’ve had it for a couple weeks now and she’s doing great.

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Reviewed in the United States on March 15, 2026