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imhififan

Responses from imhififan

Two amps to power 7.1 speakers?
My suggestion is bridge all channels of the MC58 to make it a 4 channel amp to power all 4 surround speakers. Using 4 of the channels from MC7205 to vertical bi-amp RTi A9s and one remaining channel power the RTi A6 center.  
Crown D-150A series 2: help
Before you install fuse holder, use a 150Watt incandescent light bulb instead of a fuse, power up the amplifier without speaker connected, if the light bulb light up a second then dim down, the amplifier maybe still in working condition, next th... 
Musings from old school on High Fidelity
High Fidelity Audio is like the air that we breath and the water that we drink, been polluted (by snake oil) that make people think audiophile are silly and crazy! sigh,.... 
Help connecting a receiver to my McIntosh MX136 preamp
Maybe a Oppo 203 instead? 
Help connecting a receiver to my McIntosh MX136 preamp
I saw the external ports, but they are used by the Oppo for multichannel music sacd and DVD-Audio. IF you want to connect the Marantz SR-6008 receiver pre-out to your McIntosh MX136 external inputs, just connect the Oppo 103D to Marantz SR-... 
Anyone Know Where I should Look to Figure Out This Hum?
I recently purchased a Lamm LP2. First couple days, silent. But why the ground loop hum not happened in first couple days? 
SS Integrated amp w/front-mounted 1/8” mini-jack for personal media players ($1~3k range)
I use a RCA to 3.5mm jack cable in my bedroom system. https://cdn.shopify.com/s/files/1/2328/1925/products/2-rca-male-to-female-3-5mm-jack-splitter-y-cabl... 
Anyone Know Where I should Look to Figure Out This Hum?
First couple days, silent. Now this. It's coming from both sides equally, turning up the volume makes it louder. My suggestion is unplug everything from the unit, check inside the unit for any loose connection and make sure all tubes are firmly... 
Two-Zone Budget Amp For Outdoor Setup?
An used Denon AVR-4310 for $175 on Ebay should meet your needs.https://www.ebay.com/itm/Denon-AVR-4310CI-Surround-Sound-AV-Receiver-HDMI-Bundle-w-Manual-and-Remote... 
Installing Mono Switch or Button On Conrad Johnson PV12?
No modification required, just insert a stereo to mono converter to one of the tape loop. https://www.dhgate.com/product/stereo-to-mono-audio-converter-with-isolation/466657974.html?f=bm%7cG...  
What is the maximum amperage on the 15 volt side for the Pro-ject Power Box ds2 Sources
Typical efficiency figures for toroidal transformers are 95% and on the ds2 Power Box Sources back panel stated "120V-50/60Hz 100VA", there're 3X18V-1A jack and 2X9V-2A jack = total 90VA. Its left only 5VA for the 15V and Trigger Out jack! But ... 
What is the maximum amperage on the 15 volt side for the Pro-ject Power Box ds2 Sources
I believe pro-ject not specs the current rating is the inrush current during the start of a motor is significantly higher than the motor running current and the power supply will have to be able to withstand that inrush current. Therefore Pro-Ject... 
Sub Not Waking Up
@mobiusmu I know this may seem elementary, but do your subs have gain control? Make sure they are turned-up if so. +1 Or use a 12V trigger outlet for the subwoofers. https://dlidirect.com/products/iot-power-relay 
Output test on amp
I believe erik’s suggestion using REW (Room EQ Wizard) is an inexpensive way to do the test. Just download the REW software (it’s free) into your computer, connect the amplifier speaker output to the computer sound card "LINE IN" via a voltage div... 
Understanding Speaker Output on Nikko NA-550
Yes, I agree that the top line " A.B-4Ω~16Ω/SPEAKER " is confusing, this is much better to understand: https://www.springair.de/media/image/79/22/65/h53466-5-53466e.jpg