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Because of this, a year later Advent introduced the first "Hi Fi" cassette recorder with dolby B and chrome tape capabilities.
CARVER CM 1090 SPECS PROFESSIONAL
1970 marked an era in cassette recording when Dolby Labs introduced their Dolby B version based on their professional Dolby A. In 1968 TDK introduced the first cassette for high fidelity recording purposes. In those days only 3 companies were able to produce tape but BASF was selected primarily because it was the only one who presented balanced properties in the mechanics as well as in the tape itself. The cartridge was load with BASF tape allowing 45 minutes of stereo recording on both sides. In 1963 Phillips introduced the compact cassette at the Berlin Radio Show. Originally, the cassette media was not intended for high fidelity purposes and were mainly designed for voice quality. Since 1958 when RCA made the first attempt to put a reel to reel tape inside a cartridge, the race for perfection began. I also have one in my studio along with other brands and some home made amplifiers and gear.The audio cassette history is long and interesting involving fierce competition, royalty issues, ingeneous ads and technology advance. I still use this amp daily as it is on my home listening room stereo. I've also done studios and other facilities though my career.
CARVER CM 1090 SPECS PRO
I'm a broadcast and audio engineer with plenty of experience in FOA audio, pro sound, and system design and installation in many different venues. Plenty of loud clear audio.īTW, none of the preselect styles fit me. It did quite good on a pair of A-T VOA A-7As.
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I even used this amp as a back up on one of my jobs after I made the changes. I pulled my folder on the amp and decided to write a review. How do I remember this? I was searching on line for something and came across this site. Looking at Fresponse I found the amp to exceed ratings and Pout (into 8 ohms/C) was flat over the range at better than 100W/channel with each channel being within a few tenths of a percent of each other. I then looked at waveforms for cross-over and THD distortion. Finally I added good computer grade electrolytics with a better capacitance and voltage rating. I replaced a few of the small electrolytics with better tantilums, some of the cheaper coupling capacitors with a better grade and increased the power value of some of the resistors. I wanted to beef up the entire supply, but there is no room in the enclosure. On the bench I found the poorly designed supply. Same thing when driven to any decent level. So I tried the amp on some Apogee ribbon speakers. The first thing I found when I started to use my amp was it would shut down on my Altec-Lansing 1204Bs I had on my main stereo. The original design used cheap under sized filter capacitors. The other reason this amp gets a 4 is the cheap power supply design. Ok, I will stop my anti-not made in the USA or Europe tirade. Even Crown and many other once fine products are made cheaply in China and sold at very inflated prices. Now would I consider any high priced China anything. For what these amps cost new and all the raves about Bob Carver I would never had bought a new one. I rated the amp a 4 only because it is made in China. Mine has done a great job ever since I picked one up used in the early 90s.