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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.
Carver cm 1090 specs manual#
CARVER CM-1040 INTEGRATED Amplifier Service Manual ~ Bob Carver - $32.53. Carver CM 1040 Integrated Amplifier Service Manual Bob. Carver Amplifier and Carver Audio Product Specs and Information. The front panel controls shall consist of a master power switch and a fuse-holder containing a replacable 15A slo-blo fuse.Manuals for Carver Audio Products. Total harmonic distortion shall be less that 0.1% at 1.5V sensitivity, 0.2% at 0.775V sensitivity. Noise shall be at least 100 dB below 700W/4 ? A-Weighted. The amplifier shall have a voltage gain of 36.7dB (0.0775V RMS sensitivity), with a removable jumper on each channel to change the gain to 20.7B (1.5V RMS sensitivity). The amplifier shall provide delayed activation of the speaker output relays at turn-off. A protection LED indicator shall illuminate and electronically activated relays shall disconnect the speaker outputs to protect against over temperature, short circuits, DC offset present at the outputs or an internal power supply fault. This thermal protection system shall be self-resetting. The amplifier shall have a thermal shutdown system to protect the power devices from over-temperature operation. The fan shall operate at 2 speeds, the speed being determined by internal operating temperatures. A switch shall be provided to defeat The Clipping Eliminator circuit from both the channels. Each channel shall be equipped with compression circuitry that electronically senses the onset of clipping and engages a specially-designed circuit which virtually eliminates the possibility of driving the amplifier into distortion. The amplifier shall be capable of parallel-mono operation for low impedance operation, thereby providing 900W RMS output into 4 ?. The amplifier shall be capable of bridged-mono operation thereby providing 1400W RMS output into 8 ?. PM-1400 Architect's and Engineer's Specifications The power amplifier being of two channels, shall deliver 475W into 8? per channel with both channels operating, and 700W into 4 ? per channel with both channels operating.
Carver cm 1090 specs full#
to rated power into 4 ohms (High Gain)ġ500W at full power into 8 ohms (continuous).Ģ400W at full power into 4 ohms (continuous). 0.775V rms for rated power into 4ohms 1kHz